Database performing Very slow - Lots of wait events
My database is on Oracle10g on Sun 5.10
The users are complaining about database is very slow.
I analyzed the indexes & later on rebuild them, hardly it has only 5% performance improvement.
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Duplicate post - Database performing Very slow - Lots of wait events
Srini
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When i start my hot backup my database getting very slow
Hi,
I am using following commands for enabling hot backup
SQL>ALTER SYSTEM ARCHIVE LOG CURRENT;
SQL>ARCHIVE LOG LIST;
SQL >ALTER DABATBASE BEGIN BACKUP;
Database altered.
SQL>SELECT FILE#,STATUS FROM V$BACKUP;
FILE# STATUS
1 ACTIVE
2 ACTIVE
3 ACTIVE
4 ACTIVE
and using cp -rp command to copy the file (backup copying speed good) but database performance very slow
How to improve performance ...
Regards
Vignesh CUwe Hesse wrote:
It is very likely that you experience slow performance with ALTER DATABASE BEGIN BACKUP , because until you do ALTER DATABASE END BACKUP , every modified block is additionally written into the online logfiles . Doesn't that happen only the first time the block is modified?
>
The command was introduced for split mirror backups, when this period is very short. Else ALTER TABLESPACE ... BEGIN/END BACKUP for every tablespace one at a time reduces the amount of additional redo during non-RMAN Hot Backup. There appear to be only 4 files. We don't know how big or sparse they are.
>
RMAN doesn't need that at all - much less redo - and also archive - generation then.
Furthermore, you can use BACKUP AS COMPRESSED BACKUPSET DATABASE to decrease the size of the backup even more - if space is an issue.
In short: Use RMAN :-)
Agree with that! Unless the copy is actually going to an NFS mount or something, where I would be concerned whether it is the type of NFS that Oracle likes. I'd also advise a current patch set, as the OP didn't tell us the exact version, and I have this nagging unfocused memory of some compression problems of the "oh, I can't recover" variety.
I'd like to see some evidence on I/O and cpu usage before giving advice. When I used to copy files like this, it would choke out everyone else. RMAN was a savior, but had to wait for local SAN upgrade. -
Hi Guys,
I am geting trouble. My database is very slow. I couldn't log in when I launch enterprise manager. I use sqlplus to login on as sys, and it was ok, but it was very slow when I select from v$lock. It is fast when I select from v$session. How can I fix? How can know what database is doing? Thanks.It is been fixed by our consultant. The reason is memery shortage. The consultant company didn't tell us much more. Thank you guys. Now I checked my system, in v$session_wait view, there are 3 buffer busy waits events there, and in P2Text column, there is a value "Block#". I checked the view of V$waitstat, the result like
data block 4234 1259059
undo header 68169 6811160
is there problem?
in v$system_envents like
EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT TIME_WAITED_MICRO
buffer busy waits 72994 72950 7953083 109 7,9531E+10
when I select from v$lock, it took long time, finally I cancelled. I coun't use enterprise manager to expand instance tree to see the sessio, very slow and like hang. What's problem? How do I fix it? -
Mobile component performs very slow
Hello,
I have created a component wich actually draws a country map containing about 400 cities.
My first approach was to write a 'country' class (UIComponent) which created 400 city objects (UIComponent also).
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Result was a beautiful country with colored cities in it.
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I'm just using one image!
Any ideas how I can get better performance?
Thx,
DanyI don't quite understand what you mean with 'If Re: Mobile component performs very slow shows up near the top'
I do use a lot of points to plot but only while drawing on the graphics object. Once that is done, I only have one image object sizing about 600 x 400. I've put it in a scroller. -
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If you can't afford to upgrade the RAM I would consider installing the 32 bit version of Windows instead of the 64 bt version which uses less RAM. I was surprised that my ES1-411 that came with 2 GB RAM shipped with the 64 bit version of Windows 8.1 installed, the 32 bit version would make much more sense on this computer. I upgraded it to 8 GB instead and it works very nicely with 64 bit windows 8.1 and Windows 10.
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I have a site which is performing very slow when deployed on Azure. However, the same site's performance is very good when deployed on our own server. Can you please advise/guide on the possible reasons for this and the way to debug/fix the same.
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Thanks
Developer TrinsightsHi,
Thanks for Posting.
Have you deployed a website or Cloud Service ?
You might find the Below threads and links useful to diagnose the performance issues.
https://social.msdn.microsoft.com/Forums/en-US/4bae13b8-b074-46a7-8722-319082ade070/very-slow-azuresite-performance?forum=windowsazurewebsitespreview
http://stackoverflow.com/questions/18071780/services-extremely-slow-when-deployed-on-azure
http://msdn.microsoft.com/en-us/library/dn481103.aspx
Best Practices for Performance in Azure Applications
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Nithin.Rathnakar -
A user connect to the database is very slow.
Hi, all!
I met a problem in the database. A user(schema) connect to the database is very slow. and the user query the data is slow too.And some errors in the listener.log :
23-Aus -2012 06:03:54 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))(SERVICE_NAME=ora36)(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))) * (ADDRESS=(PROTOCOL=tcp)(HOST=xxx.xxx.xxx.xxx)(PORT=24923)) * establish * ora36 * 12514
TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
23-Aus -2012 06:03:54 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))(SERVICE_NAME=ora36)(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))) * (ADDRESS=(PROTOCOL=tcp)(HOST=xxx.xxx.xxx.xxx)(PORT=23409)) * establish * ora36 * 12514
TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
23-Aus -2012 06:03:55 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))(SERVICE_NAME=ora36)(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))) * (ADDRESS=(PROTOCOL=tcp)(HOST=xxx.xxx.xxx.xxx)(PORT=9103)) * establish * ora36 * 12514
TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
How can I resolve this, thanks! -
Database Performance of the database is very slow
Hi All,
I have an issue with performance of the database.
I noticed my database performance is very slow for the last 2 months. And recently i had made some changes in my database (like changing the NLS character set of my database) but prior to that itself i had an performance issue. But after the change i did recently still it got degraded.
And now, i had no trace files getting generated for my database. And i had no statspack information. and my alert log file is not having much information regarding to this.
Can anyone suggest how can i proceed further to look into the issue..?
Thanks & Regards
Vedavathi Euser602126 wrote:
Hi All,
I have an issue with performance of the database.
I noticed my database performance is very slow for the last 2 months. And recently i had made some changes in my database (like changing the NLS character set of my database) but prior to that itself i had an performance issue. But after the change i did recently still it got degraded.
And now, i had no trace files getting generated for my database. And i had no statspack information. and my alert log file is not having much information regarding to this.
Can anyone suggest how can i proceed further to look into the issue..?Vedvathi,
Its kind of finding needle in a haystack with being blindfolded. You don't have any statspack report, that's not such big deal. You can always create one. What's the database version of yours? If you are on 10g, consider using AWR report than Statspack.
You mentioned that you did a recent change, what is that change? Where did you do it and for what reason?
Give us some more detail in the form of statspack/awr reports to help you further.
HTH
Aman.... -
EBS 11i AutoInvoice Performance Very Slow
Hi all,
EBS 11i
Oracle 9.2.0.6 32bit
AutoInvoice Transfer Program has been bugging down the Company's business, a bad start for 2013. Please help for this serious problem :(
Attached is the "STATSPACK" report for the slow performance time.
STATSPACK report for
DB Name DB Id Instance Inst Num Release Cluster Host
OAPROD 4204192100 OAPROD 1 9.2.0.6.0 NO oel5.prod
e.local
Snap Id Snap Time Sessions Curs/Sess Comment
Begin Snap: 551 02-Jan-13 22:00:04 123 59.1
End Snap: 553 03-Jan-13 00:00:02 97 48.7
Elapsed: 119.97 (mins)
Cache Sizes (end)
~~~~~~~~~~~~~~~~~
Buffer Cache: 288M Std Block Size: 8K
Shared Pool Size: 288M Log Buffer: 10,240K
Load Profile
~~~~~~~~~~~~ Per Second Per Transaction
Redo size: 54,437.02 65,579.53
Logical reads: 2,053,336.52 2,473,626.15
Block changes: 383.39 461.86
Physical reads: 43,270.67 52,127.57
Physical writes: 46.63 56.18
User calls: 35.83 43.16
Parses: 25.53 30.76
Hard parses: 0.18 0.21
Sorts: 186.25 224.38
Logons: 0.08 0.10
Executes: 108.76 131.02
Transactions: 0.83
% Blocks changed per Read: 0.02 Recursive Call %: 85.81
Rollback per transaction %: 3.18 Rows per Sort: 3.77
Instance Efficiency Percentages (Target 100%)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Buffer Nowait %: 99.99 Redo NoWait %: 99.98
Buffer Hit %: 97.90 In-memory Sort %: 100.00
Library Hit %: 99.87 Soft Parse %: 99.31
Execute to Parse %: 76.52 Latch Hit %: 99.96
Parse CPU to Parse Elapsd %: 37.01 % Non-Parse CPU: 99.98
Shared Pool Statistics Begin End
Memory Usage %: 95.13 94.82
% SQL with executions>1: 83.58 95.42
% Memory for SQL w/exec>1: 79.28 92.57
Top 5 Timed Events
~~~~~~~~~~~~~~~~~~ % Total
Event Waits Time (s) Ela Time
CPU time 74,717 84.80
latch free 181,788 8,101 9.19
db file scattered read 47,546,136 2,893 3.28
db file sequential read 23,092,208 2,006 2.28
buffer busy waits 1,812,920 193 .22
^LWait Events for DB: OAPROD Instance: OAPROD Snaps: 551 -553
-> 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
Total Wait wait Waits
Event Waits Timeouts Time (s) (ms) /txn
latch free 181,788 180,378 8,101 45 30.4
db file scattered read 47,546,136 0 2,893 0 7,957.5
db file sequential read 23,092,208 0 2,006 0 3,864.8
buffer busy waits 1,812,920 2 193 0 303.4
log file switch (checkpoint 124 51 69 560 0.0
log file parallel write 21,251 0 39 2 3.6
log file sync 4,072 0 21 5 0.7
control file parallel write 3,061 0 12 4 0.5
library cache load lock 5 2 9 1806 0.0
log file switch completion 54 6 8 148 0.0
PX Deq: Execute Reply 7,268 0 6 1 1.2
PX Deq: Signal ACK 297 103 6 21 0.0
PX qref latch 310 279 5 16 0.1
PX Deq: Msg Fragment 4,301 0 4 1 0.7
PX Deq Credit: send blkd 1,256 0 2 2 0.2
PX Deq: Parse Reply 267 0 2 7 0.0
process startup 46 0 2 39 0.0
PX Deq: Table Q Sample 84 0 2 22 0.0
library cache pin 337 0 1 4 0.1
kksfbc child completion 116 76 1 11 0.0
write complete waits 2 1 1 491 0.0
PX Deq: Join ACK 212 0 1 4 0.0
SQL*Net break/reset to clien 2,152 0 1 0 0.4
enqueue 80 0 1 7 0.0
db file parallel read 38 0 0 13 0.0
SQL*Net more data to client 24,272 0 0 0 4.1
log file single write 160 0 0 2 0.0
PX Deq: Table Q qref 62 0 0 4 0.0
control file sequential read 4,336 0 0 0 0.7
direct path read 45,818 0 0 0 7.7
library cache lock 1 0 0 76 0.0
direct path write 22,821 0 0 0 3.8
LGWR wait for redo copy 5,387 0 0 0 0.9
PX Deq Credit: need buffer 206 0 0 0 0.0
undo segment extension 40,035 40,028 0 0 6.7
db file parallel write 3,904 0 0 0 0.7
db file single write 40 0 0 0 0.0
log file sequential read 160 0 0 0 0.0
async disk IO 40 0 0 0 0.0
SQL*Net message from client 269,626 0 337,613 1252 45.1
pipe get 5,313 5,286 21,063 3964 0.9
queue messages 1,466 1,464 14,023 9566 0.2
wakeup time manager 239 238 6,738 28191 0.0
PX Idle Wait 3,475 3,042 6,026 1734 0.6
jobq slave wait 961 960 2,824 2939 0.2
PX Deq: Execution Msg 9,423 1 159 17 1.6
PX Deq: Table Q Normal 1,362 4 8 6 0.2
SQL*Net more data from clien 12,643 0 2 0 2.1
SQL*Net message to client 269,616 0 0 0 45.1
^LWait Events for DB: OAPROD Instance: OAPROD Snaps: 551 -553
-> 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
Total Wait wait Waits
Event Waits Timeouts Time (s) (ms) /txn
^LBackground Wait Events for DB: OAPROD Instance: OAPROD Snaps: 551 -553
-> ordered by wait time desc, waits desc (idle events last)
Avg
Total Wait wait Waits
Event Waits Timeouts Time (s) (ms) /txn
log file parallel write 21,251 0 39 2 3.6
latch free 407 353 13 32 0.1
control file parallel write 2,981 0 12 4 0.5
db file scattered read 3,464 0 5 1 0.6
db file sequential read 1,756 0 2 1 0.3
rdbms ipc reply 137 0 2 16 0.0
log file single write 160 0 0 2 0.0
enqueue 17 0 0 6 0.0
control file sequential read 3,346 0 0 0 0.6
LGWR wait for redo copy 5,387 0 0 0 0.9
db file parallel write 3,904 0 0 0 0.7
direct path read 1,833 0 0 0 0.3
direct path write 1,833 0 0 0 0.3
log file sequential read 160 0 0 0 0.0
buffer busy waits 21 0 0 0 0.0
rdbms ipc message 41,753 9,476 33,069 792 7.0
pmon timer 4,438 2,164 7,021 1582 0.7
smon timer 522 1 6,820 13064 0.1
^LSQL ordered by Gets for DB: OAPROD Instance: OAPROD Snaps: 551 -553
-> End Buffer Gets Threshold: 10000
-> Note that resources reported for PL/SQL includes the resources used by
all SQL statements called within the PL/SQL code. As individual SQL
statements are also reported, it is possible and valid for the summed
total % to exceed 100
CPU Elapsd
Buffer Gets Executions Gets per Exec %Total Time (s) Time (s) Hash Value
5,636,117,159 28 201,289,898.5 38.1 ######## ######### 835260576
Module: RAXTRX
INSERT INTO RA_INTERFACE_ERRORS (INTERFACE_LINE_ID, MESSAGE_
TEXT, INVALID_VALUE) SELECT INTERFACE_LINE_ID, :b_err_msg6, '
trx_number='||T.TRX_NUMBER||','||'customer_trx_id='||TL.CUSTOMER
_TRX_ID FROM RA_INTERFACE_LINES_GT IL, RA_CUSTOMER_TRX_LINES TL,
RA_CUSTOMER_TRX T WHERE IL.REQUEST_ID = :b1 AND IL.INTERFAC
511,626,129 20 25,581,306.5 3.5 8155.90 15045.56 205460129
Module: JDBC Thin Client
select TRANSACTION_BRANCH , BRANCH_ADDRESS_1 , BRANCH_ADDRESS_2
, BRANCH_PHONES , BRANCH_FAX , BRANCH_TIN , TRX_NUMBER , TRX_NU
MBER_DISP , TRX_DATE , TRX_DATE_DISP , BILL_TO_CUSTOMER_ID , BIL
L_TO_CUSTOMER_NAME , SHIP_DATE_ACTUAL_DISP , SHIP_TO_NAME , SHIP
_TO_ADDRESS1 , SHIP_TO_ADDRESS2 , SHIP_TO_ADDRESS3 , SHIP_TO_ADD
114,013,000 8,544 13,344.2 0.8 2919.47 4527.54 803969757
Module: JDBC Thin Client
SELECT COALESCE(DELV_ADDR.CITY, DELV_ADDR.PROVINCE) FROM APPS.OE
_ORDER_HEADERS_ALL OE_HEADERS , APPS.RA_SITE_USES_ALL DELV_SITE
, APPS.RA_ADDRESSES_ALL DELV_ADDR WHERE TO_CHAR(ORDER_NUMBER) =
:B1 AND DELV_SITE.SITE_USE_ID(+) = OE_HEADERS.DELIVER_TO_ORG_ID
AND DELV_ADDR.ADDRESS_ID(+) = DELV_SITE.ADDRESS_ID
113,972,897 8,550 13,330.2 0.8 2924.20 4550.22 3761220362
Module: JDBC Thin Client
SELECT DELV_ADDR.ADDRESS1 FROM APPS.OE_ORDER_HEADERS_ALL OE_HEAD
ERS , APPS.RA_SITE_USES_ALL DELV_SITE , APPS.RA_ADDRESSES_ALL DE
LV_ADDR WHERE TO_CHAR(ORDER_NUMBER) = :B1 AND DELV_SITE.SITE_USE
_ID(+) = OE_HEADERS.DELIVER_TO_ORG_ID AND DELV_ADDR.ADDRESS_ID(+
) = DELV_SITE.ADDRESS_ID
113,972,850 8,551 13,328.6 0.8 2919.13 4533.69 4273350236
Module: JDBC Thin Client...more... > http://www.datafilehost.com/download-60d3df1e.html
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Your assistance is highly appreciated.
Thanks a lot,
JanHi hussein,
Is this normal locks for the apps table which is "3". Im selecting the locks even if there is no users in the system.
SELECT o.owner, o.object_name, o.object_type, o.last_ddl_time, o.status, l.session_id,
l.oracle_username, l.locked_mode
FROM dba_objects o, gv$locked_object l
WHERE o.object_id = l.object_id;
OWNER OBJECT_NAME OBJECT_TYPE LAST_DDL STATUS SESSION_ID ORACLE_USERNAME LOCKED_MODE
APPLSYS FND_CONCURRENT_QUEUES TABLE 24-APR-10 VALID 109 APPS 3
APPLSYS FND_CONCURRENT_REQUESTS TABLE 24-APR-10 VALID 25 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 143 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 139 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 138 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 131 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 115 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 103 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_T TABLE 24-APR-10 VALID 87 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 143 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 139 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 138 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 131 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 115 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 103 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_H TABLE 24-APR-10 VALID 87 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 143 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 139 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 138 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 131 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 115 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 103 APPS 3
APPLSYS AQ$_FND_CP_GSM_OPP_AQTBL_I TABLE 24-APR-10 VALID 87 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 121 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 104 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 95 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 75 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 67 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 66 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 55 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 54 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_T TABLE 24-APR-10 VALID 52 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 121 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 104 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 95 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 75 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 67 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 66 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 55 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 54 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_H TABLE 24-APR-10 VALID 52 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 121 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 104 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 95 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 75 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 67 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 66 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 55 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 54 APPS 3
APPLSYS AQ$_FND_CP_GSM_IPC_AQTBL_I TABLE 24-APR-10 VALID 52 APPS 3Thanks,
Edited by: yxes2013 on 21.1.2013 10:18 -
Database is very slow in oracle 9i with Suse Linux
Hello All,
We are using Suse linux and installed Oracle 9i on it. Our ERP product is running on this database. It is very slow. But linux configuration seems Ok. Oracle's performance is very slow. But The same thing is working fast in oracle 8.1.6 and 8.1.7. Is there any special linux configuration parameters should we consider for this or we have to do something in init.ora file?. I added the size of the JAVA_POOL_SIZE, SHARED_POOL_SIZE and LARGE_POOL_SIZE to 300 MB each.
Thanks in advance and expecting your reply.
with regards,
sivababuWhich version of SuSE Linux would possibly help here. I'm using version 7.3 Pro and it is only 10 minutes slower than my installation on XP Pro (the script is 16 pages long and takes 8,000,000 records and converts them into 30,000 records of useful information-takes 20 minutes in XP, 30 minutes in SuSE 7.3 on a personal computer). I used the orarun9i script and followed the directions for re-compiling the genclntsh from the SuSE installations online.
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Oracle Forms Performance very slow on the internet
Hi ,
We have developed a form application with forms Developer 10g and deployed it on a ORACLE 10g AS. If the user runs our application over intranet there is no any network problem or not any performance decrease occurs. However if we deploy our application over WAN or internet, the startup time of the forms become Very Slow.
What we can use to make it faster , is there any other tools we have to learn like APEX or JDeveloper , what is the best solution , should we forget the Developer for ever and starting with other tools with fast performance on the internet , if so , what we have to learn , please help us , its common problem .
any help please ,Interesting thread....
You asked whether "Forms" is the right product for the job. Well, the answer to that question will depend entirely on exactly what functionality you need and your skill-set. One advantage of using Forms over other Oracle products is that, in my opinion, Forms allows you to create simple or complex applications very quickly, with limited development experience. The downside to using Forms however, is that it does use a fairly thick client making startup slower than other applications. Generally, Forms is not very well suited for Internet deployments although it can and has been done. If your goal is to use a product which is easy to work with and is appropriate for Internet deployment, you may want to consider Apex. The downside to Apex is that unlike Forms, Apex generates what I like to call static html pages. Meaning once a page is displayed for the end-user, the data on it remains the same until the user forces interaction with the server again, but in this case the entire page would be refreshed in order to realize the changes. In the case of Forms, any content displayed to the end-user can be change without completely refreshing their view. I like to refer to Forms as a living application because unlike Apex, it can easily respond to most user inputs and/or server side changes almost in real-time. If you want this "live" experience, Forms might be the way to go, although at the cost of some startup performance. Alternatively, Oracle ADF can also give you a similar live-like experience. However, ADF will require a broader skill-set (pl/sql, java, html, etc), whereas with Forms you could get away with only knowing pl/sql although java knowledge would be helpful.
The views expressed in this thread are my own and do not necessarily reflect the views of Oracle. -
Network connection very slow, lot of drops
Hello!
On my network, there's an ADSL modem; an AirPort Extreme is connected to it and all my computers are connected to that AirPort Extreme.
Initially, I had set the AirPort Extreme as a bridge and the modem was in PPPoE. However, I had weird troubles with that setup (one computer couldn't reach another one, not even ping) so I made the other way around: the modem is now in bridge mode and the AirPort Extreme handles the PPPoE connection.
Since then (at least, I guess), downloading from the Internet or simply browsing is a nightmare. Connections would start at a varying low rate (always less than 30 KB/s, sometimes 5 KB/s) and always slow down until the connection drops completely. For small files, I can hope to download a 1 MB file in 40 minutes; for larger ones, it's hopeless.
I've tried to rule out the AirPort Extreme, connecting one computer directly to the modem. I reset the modem (since it's in bridge mode and it's beyond the subnet made from the AirPort Extreme, how can I reach it from my network?) and enter my ISP data. When all the lights on the modem are fine, it tells me some tests failed; I can't connect to the Internet that way. It looks like the modem lost its ability to connect as PPPoE when I defined it as a bridge (?).
I then tried to rule out the modem. I connected my computer and the ADSL line to the AirPort Extreme (which still had the PPPoE settings); the AirPort Extreme would not connect or reach a DNS (what's the purpose of having PPPoE settings if it can't connect to the Internet without even passing by a modem in bridge mode?).
In short, I can't rule out either the modem nor the AirPort Extreme, because they both can't connect to the Internet separately (the modem could before I inverted which device is in bridge mode). After all my attempts, the only way to get Internet back is to set the modem again as a bridge and use the AirPort Extreme for the PPPoE, which makes the whole problem of a very slow connection (even unusable) that I'm trying to repair. I'm lost at that point.
Any help would be really welcome!Bob Timmons wrote:
Two possibilities:
1) The modem is not working correctly and should be replaced
If that's the case, then I'm feeling guilty, as it worked before I set it as a bridge.
2) Your log in information has changed due to service provider updates. Contact your provider to verify your account details
It's actually my mother who created that account; I'll ask her further.
my native language isn't English
But, your English is excellent.
Thank you.
Some countries use PPPoA authentication, and not PPPoE. Although they are similar, if your provider really uses PPPoA credentials, then you cannot log on from your Mac or use the AirPort router to provide the log on authorization, since Apple does not support PPPoA.
Well, I tried using PPPoA recently and it wasn't better. Also, the fact that the AirPort is currently the one making the PPPoE authentication seems to definitively indicate it's not PPPoA (thanks to your information that it wouldn't work in that case).
Generally, my opinion would be that things will work better if you use the modem or a modem/router to provide the connection service and run the AirPort in Bridge Mode.....rather than trying to put the modem in Bridge Mode and use the AirPort to provide the connection service.
Yes, I agree. Actually, I had another problem with the previous setup (AirPort as bridge and modem for PPPoE) where, on my LAN with two computers, only one could reach the other one (the connection worked in one direction only); I couldn't even use file sharing, Remote Desktop or even ping (because, even trying from the working sense, the response would often not come back). In this Apple forum, I got the suggestion to exchange which device was in bridge mode and, indeed, now I can communicate from and to all computers. Since I've realised my connection to the Internet is now mostly broken, I should have been satisfied with the previous problem…
I'm hoping to go back to an Internet connection that works, and not get the first issue of computers not being reachable on the LAN. The big trouble here is that all these behaviours I've experienced are weird (am I outside of the logic with my use of the devices?). I'm also noticing that the first problem sounds to have arrived since I replaced my old router by the AirPort Extreme.
If your modem is 4-5 years old, then that might be another reason to consider replacing it. Ask your provider what they would recommend.
Wow, mine is actually way older than that! I don't think we've ever changed it since we had an Internet connection (around 1998). At this time, things were not designed to break too soon, right?
Perhaps it had to break with this duration of use, and it just waited that I change settings to break… Doesn't sound a likely scenario, however.
I'm considering trying with my neighbour's modem (with his connection's settings), with the AirPort in bridge mode. If it works, I'll be almost certain the problem is the modem, I'm right?
Thank you very much for your help so far; things are getting clearer! -
Database is very slow due to materialized view
hi guys,
our database is having materialized view which is getting refreshed every hour makes DB very slow,moreover it is generating very huge quantity of archives in a single day.
is there any way to get rid off from this worse situation
pls help me out...Hi,
I'm sure the below link will help you:
http://www.orafaq.com/node/1897
Best regards,
Rafi.
http://rafioracledba.blogspot.com/ -
Oracle query / view performing very slow.
Hello,
I had created a view in my application for example
CREATE OR REPLACE VIEW EmpTransfer
( EMPID,EMPNAME,EMPMANAGER,EMPDOB,EMPTRANSFER)
AS
SELECT EMPID,EMPNAME,EMPMANAGER,EMPDOB,EMPTRANSFER
FROM EMP ;
After couple of months if we changed a columnname in the table EMP and added a new column.
We changed column name EMPTRANSFER to OldEMPTRANSFER and added a new column as NEWEMPTRANSFER.
The indexes were recreated on OldEMPTRANSFER and new index is creatd on NEWEMPTRANSFER column.
the view is again recreated.
CREATE OR REPLACE VIEW EmpTransfer
( EMPID,EMPNAME,EMPMANAGER,EMPDOB,OldEMPTRANSFER,NEWEMPTRANSFER )
AS
SELECT EMPID,EMPNAME,EMPMANAGER,EMPDOB,OldEMPTRANSFER ,NEWEMPTRANSFER
FROM EMP ;
This view is working as expected but some times this view is working very slow.
The performance of this view is randomly slow.
Is it possible that column name change will cause slowness...?What's the explain plans for both before and after the column change? It could possibly be running slow the first time because of a hard parse due to the query change, which will remain until it's in the shared_pool.
Edited by: DaleyB on 07-Oct-2009 04:53
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