3D rendering extremely slow in awesome wm after migrating to systemd

Good evening, fellow Archers!
Once again your expertise and assistance is required!
The problem:
3D rendering is very, very, slow after switching to awesome wm and/or upgrading to systemd. Things like turning 3D plots generated in GNU Octave (via gnuplot), as well as glxgears, are running extremely slowy.
Typing "glxinfo | grep direct" into a terminal yields a "yes", though.
Longer version of the problem:
My Asus Eee Pc 901 has been running OpenBox for a long time, but I haven't used that machine for 2-3 months now. Recently I booted it up again, and discovered that Arch Linux is now using systemd while updating the system. Migrating to systemd was rather painless. However, while doing these upgrades I decided to ditch OpenBox in favor of trying out awesome wm. Everything worked superb in awesome wm, which I would say is now my window manager of choice.
Then I discovered that 3D rendering is very choppy/unresponsive/slow (other than that, the computer is as fast as before). What is going on here? My netbook has an integrated Intel graphics card, by the way, that worked fine before.

I think you're on to something here!! Thanks for the pointer.
Didn't mention it before, because I thought it was unrelated, but this might have something to do with the issue: when logging in, just before awesome wm starts up,
-bash: /home/username/.bash_profile: Permission denied
is displayed.
How do I know/change what tty is being used for awesome wm (which seems to be using tty1)? When OpenBox was running before it might have been using another tty (think it was tty7).
I read the information you linked, albeit it was not very clear to me (I don't know how to add my user to different groups, to see if that works better).
This is what glxinfo says:
name of display: :0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_multisample, GLX_EXT_create_context_es2_profile,
GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info,
GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, GLX_OML_swap_method,
GLX_SGI_swap_control, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, GLX_INTEL_swap_event
client glx vendor string: Mesa Project and SGI

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    You may not be able to understand the script yourself. But variations of the script have been posted on this website thousands of times over a period of years. The site is hosted by Apple, which does not allow it to be used to distribute harmful software. Any one of the millions of registered users could have read the script and raised the alarm if it was harmful. Then I would not be here now and you would not be reading this message.
    Nevertheless, if you can't satisfy yourself that these instructions are safe, don't follow them. Ask for other options.
    4. Here's a summary of what you need to do, if you choose to proceed:
    ☞ Copy a line of text in this window to the Clipboard.
    ☞ Paste into the window of another application.
    ☞ Wait for the test to run. It usually takes a few minutes.
    ☞ Paste the results, which will have been copied automatically, back into a reply on this page.
    The sequence is: copy, paste, wait, paste again. You don't need to copy a second time. Details follow.
    5. You may have started the computer in "safe" mode. Preferably, these steps should be taken in “normal” mode, under the conditions in which the problem is reproduced. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
    6. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
    7. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in the browser window, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
    Triple-click anywhere in the line of text below on this page to select it:
    PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts SerialATA 4 1000 25 5120 KiB/s 1024 85 \\b%% 20480 1 MB/s 25000 ports ' com.clark.\* \*dropbox \*genieo\* \*GoogleDr\* \*k.AutoCAD\* \*k.Maya\* vidinst\* ' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 "` route -n get default|awk '/e:/{print $2}' `" 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 25 25 1000 MB ' com.adobe.AAM.Updater-1.0 com.adobe.AAM.Updater-1.0 com.adobe.AdobeCreativeCloud com.adobe.CS4ServiceManager com.adobe.CS5ServiceManager com.adobe.fpsaud com.adobe.SwitchBoard com.adobe.SwitchBoard com.apple.aelwriter com.apple.AirPortBaseStationAgent com.apple.FolderActions.enabled com.apple.installer.osmessagetracing com.apple.mrt.uiagent com.apple.ReportCrash.Self com.apple.rpmuxd com.apple.SafariNotificationAgent com.apple.usbmuxd com.citrixonline.GoToMeeting.G2MUpdate com.google.keystone.agent com.google.keystone.daemon com.microsoft.office.licensing.helper com.oracle.java.Helper-Tool com.oracle.java.JavaUpdateHelper com.oracle.java.JavaUpdateHelper org.macosforge.xquartz.privileged_startx org.macosforge.xquartz.privileged_startx org.macosforge.xquartz.startx ' ' 879294308 4071182229 461455494 3627668074 1083382502 1274181950 1855907737 2758863019 1848501757 464843899 3694147963 1233118628 2456546649 2806998573 2778718105 2636415542 842973933 2051385900 3301885676 891055588 998894468 695903914 1443423563 4136085286 523110921 2883943871 3873345487 ' 51 5120 files );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^\([0-9]+\) /,"");n=$0;getline;} $NF=="'${p[26]}')" { sub(/.$/,"",$NF);print n;exit;} ' `;f=('\n%s: %s\n' '\n%s\n\n%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n-\t%s\n' );S0() { echo ' { q=$NF+0;$NF="";u=$(NF-1);$(NF-1)="";gsub(/^ +| +$/,"");if(q>='${p[$1]}') printf("%s (UID %s) is using %s '${p[$2]}'",$0,u,q);} ';};s=(' s/[0-9A-Za-z._]+@[0-9A-Za-z.]+\.[0-9A-Za-z]{2,4}/EMAIL/g;/faceb/s/(at\.)[^.]+/\1NAME/g;/\/Shared/!s/(\/Users\/)[^ /]+/\1USER/g;s/[-0-9A-Fa-f]{22,}/UUID/g;' ' s/^ +//;/de: S|[nst]:/p;' ' {sub(/^ +/,"")};/er:/;/y:/&&$2<'${p[10]} ' 1s/://;3,6d;/[my].+:/d;s/^ {4}//;H;${ g;s/\n$//;/s: (E[^m]|[^EO])|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6{ H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[11]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ N;/:.+:/d;s/ *://;b0'$'\n'' };/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;};$b0'$'\n'' d;:0'$'\n'' x;s/\n\n//;/Apple[ ,]|Genesy|Intel|SMSC/d;s/\n.*//;/\)$/p;' ' s/^.*C/C/;H;${ g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' ' $0&&!/ / { n++;print;} END { if(n<10) print "com.apple.";} ' ' { sub(/ :/,"");print|"tail -n'${p[12]}'";} ' ' NR==2&&$4<='${p[13]}' { print $4;} ' ' END { $2/=256;if($2>='${p[15]}') print int($2) } ' ' NR!=13{next};{sub(/[+-]$/,"",$NF)};'"`S0 21 22`" 'NR!=2{next}'"`S0 37 17`" ' NR!=5||$8!~/[RW]/{next};{ $(NF-1)=$1;$NF=int($NF/10000000);for(i=1;i<=3;i++){$i="";$(NF-1-i)="";};};'"`S0 19 20`" 's:^:/:p' '/\.kext\/(Contents\/)?Info\.plist$/p' 's/^.{52}(.+) <.+/\1/p' ' /Launch[AD].+\.plist$/ { n++;print;} END { if(n<200) print "/System/";} ' '/\.xpc\/(Contents\/)?Info\.plist$/p' ' NR>1&&!/0x|\.[0-9]+$|com\.apple\.launchctl\.(Aqua|Background|System)$/ { print $3;} ' ' /\.(framew|lproj)|\):/d;/plist:|:.+(Mach|scrip)/s/:[^:]+//p ' '/^root$/p' ' !/\/Contents\/.+\/Contents|Applic|Autom|Frameworks/&&/Lib.+\/Info.plist$/ { n++;print;} END { if(n<1100) print "/System/";} ' '/^\/usr\/lib\/.+dylib$/p' ' /Temp|emac/{next};/(etc|Preferences|Launch[AD].+)\// { sub(".(/private)?","");n++;print;} END { split("'"${p[41]}"'",b);split("'"${p[42]}"'",c);for(i in b) print b[i]".plist\t"c[i];if(n<500) print "Launch";} ' ' /\/(Contents\/.+\/Contents|Frameworks)\/|\.wdgt\/.+\.([bw]|plu)/d;p;' 's/\/(Contents\/)?Info.plist$//;p' ' { gsub("^| |\n","\\|\\|kMDItem'${p[35]}'=");sub("^...."," ") };1 ' p '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[43]}'{$2=$2-1;print}' ' BEGIN { i="'${p[26]}'";M1='${p[16]}';M2='${p[18]}';M3='${p[31]}';M4='${p[32]}';} !/^A/{next};/%/ { getline;if($5<M1) a="user "$2"%, system "$4"%";} /disk0/&&$4>M2 { b=$3" ops/s, "$4" blocks/s";} $2==i { if(c) { d=$3+$4+$5+$6;next;};if($4>M3||$6>M4) c=int($4/1024)" in, "int($6/1024)" out";} END { if(a) print "CPU: "a;if(b) print "I/O: "b;if(c) print "Net: "c" (KiB/s)";if(d) print "Net errors: "d" packets/s";} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|BKAg|OpenD/!s/:.+//p' ' (/k:/&&$3!~/(255\.){3}0/ )||(/v6:/&&$2!~/A/ ) ' ' $1~"lR"&&$2<='${p[25]}';$1~"li"&&$3!~"wpa2";' ' BEGIN { FS=":";p="uniq -c|sed -E '"'s/ +\\([0-9]+\\)\\(.+\\)/\\\2 x\\\1/;s/x1$//'"'";} { n=split($3,a,".");sub(/_2[01].+/,"",$3);print $2" "$3" "a[n]$1|p;b=b$1;} END { close(p);if(b) print("\n\t* Code injection");} ' ' NR!=4{next} {$NF/=10240} '"`S0 27 14`" ' END { if($3~/[0-9]/)print$3;} ' ' BEGIN { L='${p[36]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n   "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n   [N/A]";"cksum "F|getline C;split(C, A);C="checksum "A[1];"file -b "F|getline T;if(T!~/^(AS.+ (En.+ )?text(, with v.+)?$|(Bo|PO).+ sh.+ text ex|XM)/) F=F" ("T", "C")";else F=F" ("C")";printf("\nContents of %s\n%s\n",F,f);if(l>L) printf("\n   ...and %s more line(s)\n",l-L);} ' ' s/^ ?n...://p;s/^ ?p...:/-'$'\t''/p;' 's/0/Off/p' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' ' / / { print "'"${p[28]}"'";exit;};1;' '/ en/!s/\.//p' ' NR!=13{next};{sub(/[+-M]$/,"",$NF)};'"`S0 39 40`" ' $10~/\(L/&&$9!~"localhost" { sub(/.+:/,"",$9);print $1": "$9|"sort|uniq";} ' '/^ +r/s/.+"(.+)".+/\1/p' 's/(.+\.wdgt)\/(Contents\/)?Info\.plist$/\1/p' 's/^.+\/(.+)\.wdgt$/\1/p' ' /l: /{ /DVD/d;s/.+: //;b0'$'\n'' };/s: /{ /V/d;s/^ */- /;H;};$b0'$'\n'' d;:0'$'\n'' x;/APPLE [^:]+$/d;p;' ' /^find: /d;p;' "`S0 44 45`" ' BEGIN{FS="= "} /Path/{print $2} ' ' /^ *$/d;s/^ */   /;' ' s/^.+ |\(.+\)$//g;p ' '/\.(appex|pluginkit)\/Contents\/Info\.plist$/p' ' /2/{print "WARN"};/4/{print "CRITICAL"};' ' /EVHF|MACR|^s/d;s/^.+: //p;' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps crontab iotop top pkgutil 'PlistBuddy 2>&1 -c "Print' whoami cksum kextstat launchctl smcDiagnose sysctl\ -n defaults\ read stat lsbom mdfind ' for i in ${p[24]};do ${c1[18]} ${c2[27]} $i;done;' pluginkit scutil dtrace profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup mdutil lsof test osascript\ -e );c2=(com.apple.loginwindow\ LoginHook '" /L*/P*/loginw*' "'tell app \"System Events\" to get properties of login items'|tr , \\\n" 'L*/Ca*/com.ap*.Saf*/E*/* -d 1 -name In*t -exec '"${c1[14]}"' :CFBundleDisplayName" {} \;|sort|uniq' '~ $TMPDIR.. \( -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 \)' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' :${p[35]}\" :Label\" '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status " -F '\$Time \$(RefProc): \$Message' -k Sender Req 'fsev|kern|launchd' -k RefProc Rne 'Aq|WebK' -k Message Rne 'Goog|ksadm|probe|Roame|SMC:|smcD|sserti|suhel| VALI|ver-r|xpma' -k Message Req 'abn|bad |Beac|caug|corru|dead[^bl]|FAIL|fail|GPU |hfs: Ru|inval|jnl:|last value [1-9]|NVDA\(|pagin|proc: t|Roamed|rror|SL|TCON|Throttli|tim(ed? ?|ing )o|WARN' " '-du -n DEV -n EDEV 1 10' 'acrx -o comm,ruid,%cpu' '-t1 10 1' '-f -pfc /var/db/r*/com.apple.*.{BS,Bas,Es,J,OSXU,Rem,up}*.bom' '{/,}L*/Lo*/Diag* -type f -regex .\*[cght] ! -name .?\* ! -name \*ag \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true \) -execdir stat -f:%Sc:%N -t%F {} \;|sort -t: -k2 |tail -n'${p[38]} '/S*/*/Ca*/*xpc* >&- ||echo No' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,Ex}* {/,}L*/{A*d,Ca*/*/Ex,Co{mpon,reM},Ex,In{p,ter},iTu*/*P,Keyb,Mail/B,Pr*P,Qu*T,Scripti,Sec,Servi,Spo,Widg}* -path \\*s/Resources -prune -o -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto,{cron,fs}tab,hosts,{[lp],sy}*.conf,mach_i*/*,pam.d/*,ssh{,d}_config,*.local} {,/usr/local}/etc/periodic/*/* /L*/P*{,/*}/com.a*.{Bo,sec*.ap}*t {/S*/,/,}L*/Lau*/*t .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers\ "${p[N5]}" -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l -s\ / '-R -l1 -n1 -o mem -stats command,uid,mem' '+c0 -i4TCP:0-1023' com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' "+c0 -l|awk '{print(\$1,\$3)}'|sort|uniq -c|sort -n|tail -1|awk '{print(\$2,\$3,\$1)}'" -m 'L*/{Con*/*/Data/L*/,}Pref* -type f -size 0c -name *.plist.???????|wc -l' kern.memorystatus_vm_pressure_level '3>&1 >&- 2>&3' " -F '\$Time \$Message' -k Sender kernel -k Message CSeq 'n Cause: -' " );N1=${#c2[@]};for j in {0..9};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n ' syscall::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents XPC\ cache Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching SATA Descriptors App\ extensions Lockfiles Memory\ pressure SMC Shutdowns );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear >&-;date '+Start time: %T %D%n';};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do [[ "$i" ]]&&eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "$v" ]];};A'$((5+i))'() { v=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "$v" ]];};A'$((7+i))'() { v=` eval sudo "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};';done;A9(){ v=$((`date +%s`-v[3]));};B2(){ v[$1]="$v";};for i in 0 1;do eval ' B'$i'() { v=;((v['$((i+1))']==0))||{ v=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0() { [[ "$v" ]]&&sed -E "$s"<<<"$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v"|sed -E "$s";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { v=`sed -E "${s[63]}"<<<"$v"`&&C1 1 $1;};for i in 1 2 7 8;do for j in 0 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;D20 0 $((N1+1)) 2;D10 0 $N1 1;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;A1 0 $((N1+2)) 3;C0;D13 0 $((N1+3)) 4 3;D23 0 $((N1+4)) 5 4;D13 0 $((N1+9)) 59 50;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;B1&&D73 19 53 67 55;D22 2 12 9 11;D12 3 13 10 12;D23 4 19 44 13;D23 5 54 12 56;D23 5 14 12 14;D22 6 36 13 15;D22 20 52 66 54;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&{ D82 35 49 61 51;D82 11 17 17 20;for i in 0 1;do D82 28 $((N2+i)) 45 $((N4+i));done;};D22 12 44 54 45;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 32 0;B4 0 5 11;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 32 6;B4 0 7 11;B3 4 0 22;A3 14 6 32 0;B4 0 8 11;B5 7 8;B1&&{ A8 18 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 52 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;B3 4 0 65;A3 14 6 32 0;B4 0 16 11;A1 26 50 64;B7 16;C3 52;D13 24 24 32 31;D13 25 37 32 33;A2 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&{ D73 21 0 32 19;D73 10 42 32 40;D82 29 35 46 39;};D23 14 1 62 42;D12 34 43 53 44;D12 22 20 32 25;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D12 21 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;B1&&D83 35 45 55 46;D23 32 31 43 38;D12 36 47 32 48;D13 10 42 32 41;D13 37 2 48 43;D13 4 5 32 1;D13 4 3 60 5;D12 21 48 49 49;B3 4 22 57;A1 21 46 56;B7 22;B3 0 0 58;C3 47;D22 4 4 50 0;D12 4 51 32 53;D23 22 9 37 7;A9;C2 2;} 2>/dev/null|pbcopy;exit 2>&-
    Copy the selected text to the Clipboard by pressing the key combination command-C.
    8. Launch the built-in Terminal application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
    Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
    9. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
    exec bash
    and press return. Then paste the script again.
    10. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, press the key combination control-C or just press return  three times at the password prompt. Again, the script will still run.
    If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
    11. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line
    [Process completed]
    to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report what happened. No harm will be done.
    12. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
    At the top of the results, there will be a line that begins with the words "Start time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
    If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
    13. When you post the results, you might see an error message on the web page: "You have included content in your post that is not permitted," or "You are not authorized to post." That's a bug in the forum software. Please post the test results on Pastebin, then post a link here to the page you created.
    14. This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
    Copyright © 2014 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

  • Extremely Slow Time Machine Backup after upgrading to 10.8.3

    Time machine backups are taking an extremely long time on my retina MacBook Pro 13 inch after upgrading to 10.8.3. It's taking many minutes just for a kilobyte to be backed up. I've tested transferring something to the disk and it's lightening fast so there's nothing wrong with the disk.
    Is anyone having similar issues or know of a fix?

    I had the same problem with slow backups. Called Apple 5 times and went through all the hoops checking plists, airport, and then erasing using my airport utility and the first backup of about 25-30 gigs went fine, but the second backup would take between 1-2 hours. By the time it was finished it was ready to do another backup.
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  • Extremely slow inserts/updates reported after HW upgrade...

    Hi gyus,
    I'll try to be as descriptive as I can. It's this project in which we have to move circa 6 mission critical (24x7) and mostly OLTP databases from MS Windows 2003 (DB on local disks) to HP-UX IA (CA metrocluster, HP XP 12000 disk array) - all ORA10gR2 10.2.0.4. And everything was perfect until we moved this XYZ database...
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    We, I mean Oracle and HP specialists, haven't noticed/recorded any significant peeks/bottlenecks (RAM, CPU, Disk I/O).
    Feel free to check 3 AWR reports and the init.ora at [http://www.mediafire.com/?sharekey=0269c9bc606747b47f7ec40ada4772a6e04e75f6e8ebb871]
    1_awrrpt_standard.txt - standard workload during 8 hours (peek hours are from 8-12AM)
    2_awrrpt_2hrs_ca.txt - standard workload during 2 peek hours (8-10)
    3_awrrpt_2hrs_noca.txt - standard workload during 2 peek hours (10-12) with CA disk mirroring disabled
    Of course, I've checked the ADDM reports - and first, I'd like to ask why ADDM keeps on reporting the following (on all database instances on this
    cluster node):
    FINDING 1: 100% impact (310 seconds)
    Significant virtual memory paging was detected on the host operating system.
    RECOMMENDATION 1: Host Configuration, 100% benefit (310 seconds)
    Is it just some kind of false alarm (like we use to get on MS Windows)? Both nodes are running on 32gigs of RAM
    with roughly more than 10gigs constantly free.
    Second, as ADDM reported:
    FINDING 2: 44% impact (135 seconds)
    Waits on event "log file sync" while performing COMMIT and ROLLBACK operations
    were consuming significant database time.
    we've tried to split CA disk mirroring, using RAID 10 for redo log file disks etc. etc. No substantial performance gain was reported from users (though I've noticed some in AWR reports).
    Despite confusing app. users' feedback I'm nearly sure that our bottleneck are redo log file disks. Why? Previously (old HW) we had 1-3 ms avg wait on log file sync and log file parallel write and now (new HW, RAID5/RAID10 we've tested both) - it's 8 ms or even more. We were able to get 2ms only with CA switched off (HP etrocluster
    disk array mirroring).
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    1. Does redo log group mirroring (2 on 2 separate disks vs. 1 on 1 disk) have any
    significant impact on abovementioned wait events? I mean what performance gain
    could I expect when I drop all "secondary" redo log members?
    2. Why do we get almost identical response times when we run bulk insert/update tests (say
    1000000 rows) against old and new DB/HW?
    Thanks in advance,
    tOPsEEK
    Edited by: smutny on 1.11.2009 17:39
    Edited by: smutny on 1.11.2009 17:46

    Hi again,
    so here's the actual AWR report (1 minute window while the most problematic operation took place). I think it's becoming clear we have to deal with slow redo log writes...
    WORKLOAD REPOSITORY report for
    DB Name         DB Id    Instance     Inst Num Release     RAC Host
    ...            294736156 ...                 1 10.2.0.4.0  NO  ...
                  Snap Id      Snap Time      Sessions Curs/Sess
    Begin Snap:      1254 02-Nov-09 10:07:45        91      46.4
      End Snap:      1255 02-Nov-09 10:08:47        91      46.4
       Elapsed:                1.04 (mins)
       DB Time:                0.51 (mins)
    Cache Sizes
    ~~~~~~~~~~~                       Begin        End
                   Buffer Cache:       576M       576M  Std Block Size:         8K
               Shared Pool Size:       912M       912M      Log Buffer:    14,372K
    Load Profile
    ~~~~~~~~~~~~                            Per Second       Per Transaction
                      Redo size:            163,781.94              4,575.45
                  Logical reads:              1,677.15                 46.85
                  Block changes:              1,276.32                 35.66
                 Physical reads:                  1.99                  0.06
                Physical writes:                  1.16                  0.03
                     User calls:                426.41                 11.91
                         Parses:                 20.74                  0.58
                    Hard parses:                  0.19                  0.01
                          Sorts:                  2.38                  0.07
                         Logons:                  0.00                  0.00
                       Executes:                386.76                 10.80
                   Transactions:                 35.80
      % Blocks changed per Read:   76.10    Recursive Call %:    31.51
    Rollback per transaction %:    0.00       Rows per Sort:   369.98
    Instance Efficiency Percentages (Target 100%)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                Buffer Nowait %:  100.00       Redo NoWait %:  100.00
                Buffer  Hit   %:   99.88    In-memory Sort %:  100.00
                Library Hit   %:   99.90        Soft Parse %:   99.07
             Execute to Parse %:   94.64         Latch Hit %:  100.00
    Parse CPU to Parse Elapsd %:  112.50     % Non-Parse CPU:   99.11
    Shared Pool Statistics        Begin    End
                 Memory Usage %:   88.90   88.87
        % SQL with executions>1:   98.74   99.39
      % Memory for SQL w/exec>1:   95.35   97.75
    Top 5 Timed Events                                         Avg %Total
    ~~~~~~~~~~~~~~~~~~                                        wait   Call
    Event                                 Waits    Time (s)   (ms)   Time Wait Class
    log file parallel write               2,228          21     10   69.4 System I/O
    log file sync                         2,220          21     10   69.2     Commit
    CPU time                                             20          65.5
    SQL*Net break/reset to client         2,106           1      1    3.4 Applicatio
    db file sequential read                 131           0      4    1.5   User I/O
    Time Model Statistics                DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    -> Total time in database user-calls (DB Time): 30.9s
    -> Statistics including the word "background" measure background process
       time, and so do not contribute to the DB time statistic
    -> Ordered by % or DB time desc, Statistic name
    Statistic Name                                       Time (s) % of DB Time
    DB CPU                                                   20.2         65.5
    sql execute elapsed time                                  9.1         29.4
    PL/SQL execution elapsed time                             0.3          1.0
    parse time elapsed                                        0.2           .5
    hard parse elapsed time                                   0.1           .5
    repeated bind elapsed time                                0.0           .0
    DB time                                                  30.9          N/A
    background elapsed time                                  22.2          N/A
    background cpu time                                       0.4          N/A
    Wait Class                            DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    -> s  - second
    -> cs - centisecond -     100th of a second
    -> ms - millisecond -    1000th of a second
    -> us - microsecond - 1000000th of a second
    -> ordered by wait time desc, waits desc
                                                                      Avg
                                           %Time       Total Wait    wait     Waits
    Wait Class                      Waits  -outs         Time (s)    (ms)      /txn
    System I/O                      3,213     .0               22       7       1.4
    Commit                          2,220     .0               21      10       1.0
    Application                     2,106     .0                1       1       0.9
    User I/O                          134     .0                0       4       0.1
    Network                        29,919     .0                0       0      13.4
    Wait Events                          DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    -> s  - second
    -> cs - centisecond -     100th of a second
    -> ms - millisecond -    1000th of a second
    -> us - microsecond - 1000000th of a second
    -> ordered by wait time desc, waits desc (idle events last)
                                                                       Avg
                                                 %Time  Total Wait    wait     Waits
    Event                                 Waits  -outs    Time (s)    (ms)      /txn
    log file parallel write               2,228     .0          21      10       1.0
    log file sync                         2,220     .0          21      10       1.0
    SQL*Net break/reset to clien          2,106     .0           1       1       0.9
    db file sequential read                 131     .0           0       4       0.1
    control file parallel write              44     .0           0       9       0.0
    db file parallel write                   44     .0           0       4       0.0
    SQL*Net more data to client           3,397     .0           0       0       1.5
    SQL*Net message to client            26,509     .0           0       0      11.9
    control file sequential read            897     .0           0       0       0.4
    SQL*Net more data from clien             13     .0           0       0       0.0
    direct path write                         3     .0           0       0       0.0
    SQL*Net message from client          26,510     .0       1,493      56      11.9
    Streams AQ: qmn slave idle w              2     .0          55   27412       0.0
    Streams AQ: qmn coordinator               4   50.0          55   13706       0.0
    PL/SQL lock timer                        10  100.0          49    4897       0.0
    Background Wait Events               DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    -> ordered by wait time desc, waits desc (idle events last)
                                                                       Avg
                                                 %Time  Total Wait    wait     Waits
    Event                                 Waits  -outs    Time (s)    (ms)      /txn
    log file parallel write               2,228     .0          21      10       1.0
    control file parallel write              44     .0           0       9       0.0
    db file parallel write                   44     .0           0       4       0.0
    control file sequential read             71     .0           0       0       0.0
    rdbms ipc message                     2,412    7.7         525     218       1.1
    pmon timer                               20  100.0          59    2929       0.0
    Streams AQ: qmn slave idle w              2     .0          55   27412       0.0
    Streams AQ: qmn coordinator               4   50.0          55   13706       0.0
    Operating System Statistics           DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    Statistic                                       Total
    AVG_BUSY_TIME                                     847
    AVG_IDLE_TIME                                   5,362
    AVG_IOWAIT_TIME                                 2,692
    AVG_SYS_TIME                                      295
    AVG_USER_TIME                                     549
    BUSY_TIME                                       3,396
    IDLE_TIME                                      21,457
    IOWAIT_TIME                                    10,776
    SYS_TIME                                        1,190
    USER_TIME                                       2,206
    LOAD                                                0
    OS_CPU_WAIT_TIME                          192,401,000
    RSRC_MGR_CPU_WAIT_TIME                              0
    VM_IN_BYTES                                    40,960
    VM_OUT_BYTES                                  335,872
    PHYSICAL_MEMORY_BYTES                  34,328,276,992
    NUM_CPUS                                            4
    NUM_CPU_SOCKETS                                     4
    Instance Activity Stats              DB/Inst: ROVEPP/rovepp  Snaps: 1254-1255
    Statistic                                     Total     per Second     per Trans
    CPU used by this session                        984           15.8           0.4
    CPU used when call started                      344            5.5           0.2
    CR blocks created                                 4            0.1           0.0
    Cached Commit SCN referenced                    208            3.3           0.1
    Commit SCN cached                                 0            0.0           0.0
    DB time                                       2,589           41.6           1.2
    DBWR checkpoint buffers written                  69            1.1           0.0
    DBWR checkpoints                                  0            0.0           0.0
    DBWR object drop buffers written                  0            0.0           0.0
    DBWR tablespace checkpoint buffe                  0            0.0           0.0
    DBWR thread checkpoint buffers w                  0            0.0           0.0
    DBWR transaction table writes                     8            0.1           0.0
    DBWR undo block writes                           15            0.2           0.0
    IMU CR rollbacks                                  0            0.0           0.0
    IMU Flushes                                   1,156           18.6           0.5
    IMU Redo allocation size                    996,048       16,017.2         447.5
    IMU commits                                   2,100           33.8           0.9
    IMU contention                                    0            0.0           0.0
    IMU ktichg flush                                  0            0.0           0.0
    IMU pool not allocated                            0            0.0           0.0
    IMU recursive-transaction flush                   0            0.0           0.0
    IMU undo allocation size                 22,402,560      360,250.9      10,064.0
    IMU- failed to get a private str                  0            0.0           0.0
    Misses for writing mapping                        0            0.0           0.0
    SQL*Net roundtrips to/from clien             26,480          425.8          11.9
    active txn count during cleanout                 34            0.6           0.0
    application wait time                           106            1.7           0.1
    background checkpoints completed                  0            0.0           0.0
    background checkpoints started                    0            0.0           0.0
    background timeouts                             199            3.2           0.1
    branch node splits                                0            0.0           0.0
    buffer is not pinned count                   13,919          223.8           6.3
    buffer is pinned count                       19,483          313.3           8.8
    bytes received via SQL*Net from             884,016       14,215.7         397.1
    bytes sent via SQL*Net to client          9,602,642      154,418.1       4,313.9
    calls to get snapshot scn: kcmgs             13,641          219.4           6.1
    calls to kcmgas                               3,029           48.7           1.4
    calls to kcmgcs                                  56            0.9           0.0
    change write time                                 8            0.1           0.0
    cleanout - number of ktugct call                 42            0.7           0.0
    cleanouts and rollbacks - consis                  0            0.0           0.0
    cleanouts only - consistent read                  0            0.0           0.0
    cluster key scan block gets                   1,100           17.7           0.5
    cluster key scans                             1,077           17.3           0.5
    commit batch/immediate performed                  1            0.0           0.0
    commit batch/immediate requested                  1            0.0           0.0
    commit cleanout failures: block                   0            0.0           0.0
    commit cleanout failures: buffer                  0            0.0           0.0
    commit cleanout failures: callba                  4            0.1           0.0
    commit cleanout failures: cannot                  0            0.0           0.0
    commit cleanouts                              9,539          153.4           4.3
    commit cleanouts successfully co              9,535          153.3           4.3
    commit immediate performed                        1            0.0           0.0
    commit immediate requested                        1            0.0           0.0
    commit txn count during cleanout                 26            0.4           0.0
    concurrency wait time                             0            0.0           0.0
    consistent changes                              264            4.3           0.1
    consistent gets                              48,659          782.5          21.9
    consistent gets - examination                26,952          433.4          12.1
    consistent gets direct                            2            0.0           0.0
    consistent gets from cache                   48,657          782.4          21.9
    cursor authentications                            2            0.0           0.0
    data blocks consistent reads - u                  4            0.1           0.0
    db block changes                             79,369        1,276.3          35.7
    db block gets                                55,636          894.7          25.0
    db block gets direct                              3            0.1           0.0
    db block gets from cache                     55,633          894.6          25.0
    deferred (CURRENT) block cleanou              4,768           76.7           2.1
    dirty buffers inspected                           0            0.0           0.0
    enqueue conversions                              15            0.2           0.0
    enqueue releases                              9,967          160.3           4.5
    enqueue requests                              9,967          160.3           4.5
    enqueue timeouts                                  0            0.0           0.0
    enqueue waits                                     0            0.0           0.0
    execute count                                24,051          386.8          10.8
    failed probes on index block rec                  0            0.0           0.0
    frame signature mismatch                          0            0.0           0.0
    free buffer inspected                           680           10.9           0.3
    free buffer requested                         1,297           20.9           0.6
    heap block compress                              11            0.2           0.0
    hot buffers moved to head of LRU              1,797           28.9           0.8
    immediate (CR) block cleanout ap                  0            0.0           0.0
    immediate (CURRENT) block cleano              2,274           36.6           1.0
    index crx upgrade (positioned)                   47            0.8           0.0
    index fast full scans (full)                      0            0.0           0.0
    index fetch by key                           10,326          166.1           4.6
    index scans kdiixs1                           6,071           97.6           2.7
    leaf node 90-10 splits                           14            0.2           0.0
    leaf node splits                                 18            0.3           0.0
    lob reads                                         0            0.0           0.0
    lob writes                                      198            3.2           0.1
    lob writes unaligned                            176            2.8           0.1
    logons cumulative                                 0            0.0           0.0
    messages received                             2,272           36.5           1.0
    messages sent                                 2,272           36.5           1.0
    no buffer to keep pinned count                    0            0.0           0.0
    no work - consistent read gets               21,083          339.0           9.5
    opened cursors cumulative                     1,290           20.7           0.6
    parse count (failures)                            0            0.0           0.0
    parse count (hard)                               12            0.2           0.0
    parse count (total)                           1,290           20.7           0.6
    parse time cpu                                   18            0.3           0.0
    parse time elapsed                               16            0.3           0.0
    physical read IO requests                       124            2.0           0.1
    physical read bytes                       1,015,808       16,335.0         456.3
    physical read total IO requests               1,030           16.6           0.5
    physical read total bytes                15,785,984      253,851.1       7,091.6
    physical read total multi block                   0            0.0           0.0
    physical reads                                  124            2.0           0.1
    physical reads cache                            122            2.0           0.1
    physical reads cache prefetch                     0            0.0           0.0
    physical reads direct                             2            0.0           0.0
    physical reads direct (lob)                       0            0.0           0.0
    physical reads direct temporary                   0            0.0           0.0
    physical reads prefetch warmup                    0            0.0           0.0
    physical write IO requests                       47            0.8           0.0
    physical write bytes                        589,824        9,484.8         265.0
    physical write total IO requests              4,591           73.8           2.1
    physical write total bytes               25,374,720      408,045.5      11,399.3
    physical write total multi block              4,461           71.7           2.0
    physical writes                                  72            1.2           0.0
    physical writes direct                            3            0.1           0.0
    physical writes direct (lob)                      3            0.1           0.0
    physical writes direct temporary                  0            0.0           0.0
    physical writes from cache                       69            1.1           0.0
    physical writes non checkpoint                   18            0.3           0.0
    pinned buffers inspected                          1            0.0           0.0
    prefetch warmup blocks aged out                   0            0.0           0.0
    prefetched blocks aged out befor                  0            0.0           0.0
    process last non-idle time                        0            0.0           0.0
    recursive calls                              12,197          196.1           5.5
    recursive cpu usage                             747           12.0           0.3
    redo blocks written                          11,398          183.3           5.1
    redo buffer allocation retries                    0            0.0           0.0
    redo entries                                  6,920          111.3           3.1
    redo log space requests                           0            0.0           0.0
    redo log space wait time                          0            0.0           0.0
    redo ordering marks                              96            1.5           0.0
    redo size                                10,184,944      163,781.9       4,575.5
    redo subscn max counts                          811           13.0           0.4
    redo synch time                               2,190           35.2           1.0
    redo synch writes                             2,220           35.7           1.0
    redo wastage                              1,377,920       22,158.0         619.0
    redo write time                               2,192           35.3           1.0
    redo writer latching time                         0            0.0           0.0
    redo writes                                   2,228           35.8           1.0
    rollback changes - undo records                  24            0.4           0.0
    rollbacks only - consistent read                  4            0.1           0.0
    rows fetched via callback                     1,648           26.5           0.7
    session connect time                              0            0.0           0.0
    session cursor cache hits                     1,242           20.0           0.6
    session logical reads                       104,295        1,677.2          46.9
    session pga memory                        2,555,904       41,101.0       1,148.2
    session pga memory max                            0            0.0           0.0
    session uga memory                          123,488        1,985.8          55.5
    session uga memory max                            0            0.0           0.0
    shared hash latch upgrades - no                  66            1.1           0.0
    sorts (disk)                                      0            0.0           0.0
    sorts (memory)                                  148            2.4           0.1
    sorts (rows)                                 54,757          880.5          24.6
    sql area evicted                                 86            1.4           0.0
    sql area purged                                   0            0.0           0.0
    summed dirty queue length                         0            0.0           0.0
    switch current to new buffer                    596            9.6           0.3
    table fetch by rowid                          9,173          147.5           4.1
    table fetch continued row                         0            0.0           0.0
    table scan blocks gotten                        982           15.8           0.4
    table scan rows gotten                      154,079        2,477.7          69.2
    table scans (cache partitions)                    0            0.0           0.0
    table scans (long tables)                         0            0.0           0.0
    table scans (short tables)                       59            1.0           0.0
    total number of times SMON poste                  0            0.0           0.0
    transaction rollbacks                             1            0.0           0.0
    undo change vector size                   3,990,136       64,164.5       1,792.5
    user I/O wait time                               49            0.8           0.0
    user calls                                   26,517          426.4          11.9
    user commits                                  2,226           35.8           1.0
    user rollbacks                                    0            0.0           0.0
    workarea executions - onepass                     0            0.0           0.0
    workarea executions - optimal                   204            3.3           0.1
    write clones created in backgrou                  0            0.0           0.0
    write clones created in foregrou                  0            0.0           0.0
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    668      ROVE_EDA        WAIT      log file sync              2140618        428.12ms         42.8%
    668      ROVE_EDA        WAIT      log file sync              2088327        417.67ms         41.8%
    668      ROVE_EDA        WAIT      log file sync              2184408        364.07ms         36.4%
    668      ROVE_EDA        WAIT      log file sync              2117470        352.91ms         35.3%
    668      ROVE_EDA        WAIT      log file sync              2051280        341.88ms         34.2%
    668      ROVE_EDA        WAIT      log file sync              1595019        265.84ms         26.6%
    668      ROVE_EDA        WAIT      log file sync              612034        122.41ms         12.2%
    668      ROVE_EDA        WAIT      log file sync              2162980         432.6ms         43.3%
    668      ROVE_EDA        WAIT      log file sync              2071811         345.3ms         34.5%
    668      ROVE_EDA        WAIT      log file sync              2004571         334.1ms         33.4%
    668      ROVE_EDA        WAIT      db file sequential read    28401          5.68ms           .6%
    668      ROVE_EDA        WAIT      db file sequential read    29028          4.84ms           .5%
    668      ROVE_EDA        WAIT      db file sequential read    24846          4.14ms           .4%
    668      ROVE_EDA        WAIT      db file sequential read    24323          4.05ms           .4%
    668      ROVE_EDA        WAIT      db file sequential read    17026          3.41ms           .3%
    668      ROVE_EDA        WAIT      db file sequential read    6736          1.35ms           .1%
    668      ROVE_EDA        WAIT      db file sequential read    33028           5.5ms           .6%
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    764      (LGWR)          WAIT      log file parallel write    2150825        430.17ms         43.0%
    764      (LGWR)          WAIT      log file parallel write    2139532        427.91ms         42.8%
    764      (LGWR)          WAIT      log file parallel write    2119086        423.82ms         42.4%
    764      (LGWR)          WAIT      log file parallel write    2134938        355.82ms         35.6%
    764      (LGWR)          WAIT      log file parallel write    2083649        347.27ms         34.7%
    764      (LGWR)          WAIT      log file parallel write    2034998        339.17ms         33.9%
    764      (LGWR)          WAIT      log file parallel write    1996050        332.68ms         33.3%
    764      (LGWR)          WAIT      log file parallel write    1797057        299.51ms         30.0%
    764      (LGWR)          WAIT      log file parallel write    555403        111.08ms         11.1%
    764      (LGWR)          WAIT      log file parallel write    277875         46.31ms          4.6%
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