Slow System Performance! [With Benchmark Results]

Hello,
I've a MacBook Pro (mid 2011) 15" model with the following configuration:
Core i7 2.3 GHz
8GB RAM
256GB SSD
OS X Lion 10.7.2
(No 3rd party software installed expect GeekBench tool)
I ran the GeekBench tool and result is available here: http://browse.geekbench.ca/geekbench2/view/498196
I primarily suspect SSD, since it's performance is not up to the mark. I would appreciate if anyone can provide me more info based on the SSD performance for the above result (link.)
Thank you!

I just ran X-Bench tool and compared it to Anandtech benchmark results (with the same SSD and tool types) and the screenshots are provided below:

Similar Messages

T520 - 42435gg / Sound stutter and slow Graphic performance with Intel Rapid Storage AHCI Driver

Hi everybody,
I have serious Problems with my 42435gg
Any time I install the Intel Storage AHCI Driver (I've tried plenty of different versions) which is suggested by System Update I experience a horrible Sound stutter and slow Graphic performance in Windows 7 64-Bit.
The funny thing in this case: If the external e-sata port is connected the problems do not occur. If the port is unused again, the stutter begins immediately.
The only thing I can do is using the Windows internal Storage Driver with which I am not able to use my DVD recorder for example.
The device was sent to lenovo for hardware testing with no result. It was sent back without any repairing.
Anybody experience on this?
Kind regards,
Daniel

Did you try the 11.5 RST beta? Load up DPClat and see if DPC conditions are favorable.
What are you using to check graphics performance?
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

Slow system performance...

Hey guys, i recently installed Arch Linux via my 0.7.2 CD. I then did a full system upgrade, up to the 2.6.19 kernel, boots fine, followed the new kernel instructions.. however it just seems like my overall system performance is SLOOWW. Keep in mind, i have installed Arch on this computer when 0.7.2 first came out, and it ran perfectly fine, everything ran fast. However now since i did a fresh install, upgraded to the latest, things seem slow.
i have installed xorg as well as gnome, including the nvidia drivers. When ever i type startx, it takes more then a few seconds for anything to happen after the command has been entered, before it would be VERY snappy. Gnome seems to take longer to load as well. When i launch xterm from within gnome, it takes a while for the xterm window to show, this includes any other windows. When i move windows around overtop of firefox, it seems alot of ghosting is happening, alot of trailling over the desktop when the window is being dragged overtop another window. I checked to see if Nvidia drivers are being loaded which they are. a glxtest reports back a 1500fps + as well as showing nvidia corporation in the glxinfo....
This is a fresh BASE install, upgraded to the current, then Xorg and gnome installed. Top shows no high cpu spikes and i cant figure out why suddenly, application loading seems to be slow...
P.S also, with all of this, accessing webpages seem very slow as well....this includes Pinging an IP address...
-Dan
Last edited by bolero (2007-01-31 22:52:13)

well, i added that in, startx as well as gnome + application seem to load as they should now, if that was the reason thanks for telling me about that.
However my internet is still very very slow. Booting into Windows XP i can confirm its not my internet connection, no lag in XP, however in Arch, seems very slow. If its any help, im using the sundance driver
actually, now that applications seem to be loading as they should, my internet connection probebly can be asked in the network section?
-Dan
Last edited by bolero (2007-01-31 23:48:52)

Poor System Performance with Aperture 3

I am using a MBP (3,1) 15", 4 GB Ram, 2.6 ghz processor with Snow Leopard 10.6.2
After I run an import of photos, the entire system very nearly comes to a complete halt. EVERYTHING lags while Aperture does its post import processing, and then for 5-10 minutes after it says it has completed.
I am having the same result on my dual quad-core Mac Pro.
Is this a happening to anyone else? This product is horrific as it relates to system performance! Any suggestions or tips/tricks to improve performance?
Please help! Thinking of going back to Aperture 2.
Jesse

http://discussions.apple.com/thread.jspa?threadID=2334088&tstart=0
It hasn't spent much time off the first page of the forum.
Ian

Slow system – problem with OS, software, memory, hard drive?

I am running a MacBookPro5,3 (Intel Core 2 Duo – 2.8 GHz, Memory = 2 x 4 GB, Hard drive = NVidia 500 GB - 100GB of which is free space), using Mac OS X 10.6.3.
I was running 10.6.6. Then attempted a software update to 10.6.7 and the system essentially stopped working, Was able to back up data using target disk mode, and then reinstalled 10.6.3 using a purchased snow leopard DVD (had lost the disk that came with the computer). Worked for a while but have been having issues with increasingly long and frequent system slow downs (spinning beach ball). Recently attempted another system update, and the update failed and wasn't able to do anything. Used the 10.6.3 dvd and did a disk utility check – it initially said there was a problem with the hard drive – but on another restart from the DVD this issue disappeared (but still no working OS). Attempted connection of my computer to another laptop using target disk mode – this failed to show the target hard drive and only showed the dvd which was in the computer booted up in target disk mode.
At this point rebooted using the DVD and was able again to install system 10.6.3. However, there are still occasions of sporadic slow-downs associated with specific applications (spinning beach ball for anywhere from 5 – 120 sec). Ran disk utility from the DVD again – states that the permissions and the hard drive is OK. Also, ran a memory test (using Rember) which stated that everything was fine (although the test took nearly 2 hours to run and was punctuated by much spinning beach ball activity).
At this stage i am not sure whether I have a problem with memory, the hard drive, the OS or the software. Clearly something is not right – are there any other options to test my system (since I don't have the original dvd – I haven't been able to run a system hardware test) - other third party options?
Thanks in advance for any advice, and apologies for long post.
Rob

Sounds like a failing hard drive or SATA controller. It's not clear whether you have a backup of your data. If not, you should remove the hard drive from the machine and install it an external enclosure or dock, then back it up using another Mac. Then take the unit to an authorized service outlet for testing.

Very Slow SMB Performance with DroboShare

Hi there,
We have a big issue with a DroboShare NAS device connected to a Drobo Drive (FAT32):
If we connect to our DroboShare NAS directly via LAN, the performance with SMB is terrible. Browsing folders takes minutes until the contents (15 items) are shown, opening and saving files takes minutes.
If we connect the Drobo via USB to one of our Macs and then share it via SMB, it is fast as ****.
Problem is that we cannot leave it this way, as we only have portable macs, so if they are removed, nobody can access the Drobo.
The problem nevertheless seems to be restricted to Macs: If we connect to the DroboShare with Linux or Windows Boxes, everything is as fast as expected.
Does anyone has similar issues with weak performance and/or knows how this can improved?
Any help is greatly appreciated.
Thanks,
Simon

I just ported netatalk (AFP) over to the DroboShare.
http://code.google.com/p/drobocapsule/

SLOW report performance with bind variable

Environment: 11.1.0.7.2, Apex 4.01.
I've got a simplified report page where the report runs slowly compared to running the same query in sqldeveloper. The report region is based on a pl/sql function returning a query. If I use a bind variable in the query inside apex it takes 13 seconds to run, and if I hard code a string it takes only a few hundredths of a second. The query returns one row from a table which has 1.6 million rows. Statistics are up-to-date and the columns in the joins and where clause are indexed.
I've run traces using p_trace=YES from Apex for both the bind variable and hard coded strings. They are below.
The sqldeveloper explain plan is identical to the bind variable plan from the trace, yet the query runs in 0.0x seconds in sqldeveloper.
What is it about bind variable syntax in Apex that is causing the bad execution plan? Apex Bug? 11g bug? Ideas?
tkprof output from Apex trace with bind variable is below...
select p.master_id link, p.first_name||' '||p.middle_name||' '||p.last_name||' '||p.suffix personname,
p.gender||' '||p.date_of_birth g_dob, p.master_id||'*****'||substr(p.ssn,-4) ssn, p.status status
from persons p
where
   p.person_id in (select ps.person_id from person_systems ps where ps.source_key like LTRIM(RTRIM(:P71_SEARCH_SOURCE1)))
order by 1
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.01          0          1         27           0
Fetch        2     13.15      13.22      67694      72865          0           1
total        4     13.15      13.23      67694      72866         27           1
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 62 (ODPS_PRIVACYVAULT)   (recursive depth: 1)
Rows     Row Source Operation
      1 SORT ORDER BY (cr=72869 pr=67694 pw=0 time=0 us cost=29615 size=14255040 card=178188)
      1   FILTER (cr=72869 pr=67694 pw=0 time=0 us)
      1    HASH JOIN RIGHT SEMI (cr=72865 pr=67694 pw=0 time=0 us cost=26308 size=14255040 card=178188)
      1     INDEX FAST FULL SCAN IDX$$_0A300001 (cr=18545 pr=13379 pw=0 time=0 us cost=4993 size=2937776 card=183611)(object id 68485)
1696485     TABLE ACCESS FULL PERSONS (cr=54320 pr=54315 pw=0 time=21965 us cost=14958 size=108575040 card=1696485)
Rows     Execution Plan
      0 SELECT STATEMENT   MODE: ALL_ROWS
      1   SORT (ORDER BY)
      1    FILTER
      1     HASH JOIN (RIGHT SEMI)
      1      INDEX   MODE: ANALYZED (FAST FULL SCAN) OF
                 'IDX$$_0A300001' (INDEX)
1696485      TABLE ACCESS   MODE: ANALYZED (FULL) OF 'PERSONS' (TABLE)
Elapsed times include waiting on following events:
Event waited on                             Times   Max. Wait Total Waited
----------------------------------------   Waited ---------- ------------
db file scattered read                       1276        0.00          0.16
db file sequential read                       812        0.00          0.02
direct path read                             1552        0.00          0.61
********************************************************************************Here's the tkprof output with a hard coded string:
select p.master_id link, p.first_name||' '||p.middle_name||' '||p.last_name||' '||p.suffix personname,
p.gender||' '||p.date_of_birth g_dob, p.master_id||'*****'||substr(p.ssn,-4) ssn, p.status status
from persons p
where
   p.person_id in (select ps.person_id from person_systems ps where ps.source_key like LTRIM(RTRIM('0b')))
order by 1
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.02       0.04          0          0          0           0
Execute      1      0.00       0.00          0          0         13           0
Fetch        2      0.00       0.00          0          8          0           1
total        4      0.02       0.04          0          8         13           1
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 62 (ODPS_PRIVACYVAULT)   (recursive depth: 1)
Rows     Row Source Operation
      1 SORT ORDER BY (cr=10 pr=0 pw=0 time=0 us cost=9 size=80 card=1)
      1   FILTER (cr=10 pr=0 pw=0 time=0 us)
      1    NESTED LOOPS (cr=8 pr=0 pw=0 time=0 us)
      1     NESTED LOOPS (cr=7 pr=0 pw=0 time=0 us cost=8 size=80 card=1)
      1      SORT UNIQUE (cr=4 pr=0 pw=0 time=0 us cost=5 size=16 card=1)
      1       TABLE ACCESS BY INDEX ROWID PERSON_SYSTEMS (cr=4 pr=0 pw=0 time=0 us cost=5 size=16 card=1)
      1        INDEX RANGE SCAN IDX_PERSON_SYSTEMS_SOURCE_KEY (cr=3 pr=0 pw=0 time=0 us cost=3 size=0 card=1)(object id 68561)
      1      INDEX UNIQUE SCAN PK_PERSONS (cr=3 pr=0 pw=0 time=0 us cost=1 size=0 card=1)(object id 68506)
      1     TABLE ACCESS BY INDEX ROWID PERSONS (cr=1 pr=0 pw=0 time=0 us cost=2 size=64 card=1)
Rows     Execution Plan
      0 SELECT STATEMENT   MODE: ALL_ROWS
      1   SORT (ORDER BY)
      1    FILTER
      1     NESTED LOOPS
      1      NESTED LOOPS
      1       SORT (UNIQUE)
      1        TABLE ACCESS   MODE: ANALYZED (BY INDEX ROWID) OF
                   'PERSON_SYSTEMS' (TABLE)
      1         INDEX   MODE: ANALYZED (RANGE SCAN) OF
                    'IDX_PERSON_SYSTEMS_SOURCE_KEY' (INDEX)
      1       INDEX   MODE: ANALYZED (UNIQUE SCAN) OF 'PK_PERSONS'
                  (INDEX (UNIQUE))
      1      TABLE ACCESS   MODE: ANALYZED (BY INDEX ROWID) OF
                 'PERSONS' (TABLE)

Patrick, interesting insight. Thank you.
The optimizer must be peeking at my bind variables with it's eyes closed. I'm the only one testing and I've never passed %anything as a bind value. :)
Here's what I've learned since my last post:
I don't think that sqldeveloper is actually using the explain plan it says it is. When I run explain plan in sqldeveloper (with a bind variable) it shows me the exact same plan as Apex with a bind variable. However, when I run autotrace in sqldeveloper, it takes a path that matches the hard coded values, and returns results in half a second. That autotrace run is consistent with actually running the query outside of autotrace. So, I think either sqldeveloper isn't really using bind variables, OR it is using them in some other way that Apex does not, or maybe optimizer peeking works in sqldeveloper?
Using optimizer hints to tweak the plan helps. I've tried both /*+ FIRST_ROWS */ and /*+ index(ps pk_persons) */ and both drop the query to about a second. However, I'm loath to use hints because of the very dynamic nature of the query (and Tom Kyte doesn't like them either). The hints may end up hurting other variations on the query.
I also tested the query by wrapping it in a select count(1) from ([long query]) and testing the performance in sqldeveloper and in Apex. The performance in that case is identical with both bind variables and hard coded variables for both Apex and SqlDeveloper. That to me was very interesting and I went so far as to set up two bind variable report regions on the same page. One region wrapped the long query with select count(1) from (...) and the other didn't. The wrapped query ran in 0.01 seconds, the unwrapped took 15ish seconds with no other optimizations. Very strange.
To get performance up to acceptable levels I have changed my function returning query to:
1) Set the equality operator to "=" for values without wildcards and "like" for user input with wildcards. This makes a HUGE difference IF no wildcard is used.
2) Insert a /*+ FIRST_ROWS */ hint when users chose the column that requires the sub-query. This obviously changes the optimizer's plan and improves query speed from 15 seconds to 1.5 seconds even with wildcards.
I will NOT be hard coding any user supplied values in the query string. As you can probably tell by the query, this is an application where sql injection would be very bad.
Jeff, regarding your question about "like '%' || :P71_SEARCH_SOURCE1 || '%'". I've found that putting wildcards around values, particularly at the beginning will negate any indexing on the column in question and slows performance even more.
I'm still left wondering if there isn't something in Apex that is breaking the optimizer "peeking" that Patrick describes. Perhaps something in the way it switches contexts from apex_public_user to the workspace schema?

Slow System Performance on SunOS 5.10

Dear all,
Our system experienced very slow response time a few days ago. After checking the wp trace file, we found the oracle is out of memory and there were some malloc failed(not enough space). Our system is ECC6 SR3 SP 16 and Oracle 10g dbase with RAM 4GB and swap 16 GB on container of SunOS 5.10.
My assumption when the process running out of memory, it should retrieve from virtual memory. At command vmstat -s the output of swap in/out and pages swapped in/out is zero. Guess problem with vm of container. Anyone can help? Thanks.

Hi,
Please refer the following SAP Notes:
[ Note 570375 - SAP on Sun Solaris: Swap Space and Paging|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=570375]
[Note 39412 - How many work processes to configure|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=39412]
[Note 425207 - SAP memory management, current parameter ranges|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=425207]
[Note 830576 - Parameter recommendations for Oracle 10g|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=830576]
[ Note 838240 - Oracle Database 10g: Operating Systems Requirements Solaris|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=838240]
[ Note 618868 - FAQ: Oracle performance|https://websmp230.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=618868]
Regards,
Bhavik G. shroff

KT880 Slow 2D Performance with Leadtek 6600GT AGP

Issues:
2D speed is so slow I can see the background color of most websites as the content is "drawn" line by line over top.
Mouse scrolling causes the screen to fragment slightly
The odd time on a cold boot (system off over 10-20 minutes minimum) I get a beep code of 2 long, and 5 to 7 short. I say five to seven as every time it happens it catches me just as I am walking out of the room.
Fixes Attempted:
Multiple clean installation of W2K using various combination of Leadtek/VIA Hyperion/Nvidia drivers
Different BIOS options selected (Fastwrite on/off, AGP aperature 64/128/256, FSB 1:1)
Tests Performed:
Memtest 95+ ran it all day while I was at work
3DMark2005 run multiple times
Vulcan3D run all day while at work
PCPitstop 2D test reports ~42MP/s (compare this to onboard SiS video at work which is 121.85 MP/s)
I have read the information about PSU issues up top, and I am leaning towards trying this next.
My current rig is:
MSI KT880 Delta-FSR (VIA 5.04 Hyperion installed)
Leadtek 6600GT 128MB (78.05 forceware beta installed w/DirectX 9.0C)
AthlonXP 2800+
1GB Micron RAM (PC2100)
30GB IBM (DTLA 307030) + 120GB WD (WD1200JB)
NEC DVD-RW (ND-2510A)
Soundblaster Live! 5.1 (Most recent drivers)
Onboard Gigabyte LAN (Most recent drivers downloaded from Microsoft Website)
Windows 2000 (Clean installed with SP4 and all critical updates)
Power supply: Vantec ION 400B (400W / +3.3V 26A / +5V 30A / +12V 16A)
Now I have seen that 18A should be minimum on the 12V rail, but I have some questions about that. What about a dual rail powersupply like the Enermax EG475P? It has +16A on 12V1 and +15 on 12V2 - would that be enough power?
The other power supply I am looking at is the Vantec ION2 460N which has specs of: 460W / +3.3V 28A / +5V 30A / +12V 30A
Unfortunately due to cost, and local availability these really are my only two options that look like they might fit the bill.
I am really crossing my fingers that a PSU upgrade will solve my 2D issues as I could not get this card to work properly in 3D in an older system. Now it works awesome in 3D, but 2D is so slow I can watch the screen "wipe" in Internet Explorer.
Dave

Quote from: osnavi on 10-November-05, 04:28:59
"...I am just wondering could that account for the 2D speed being so slow?..." Question answered in my last post: First..memory. 2nd PSU.
I apologize about seeming like I was ignoring you - I posted at the same time as you, and did not mean to ignore your recommendations. In any case I tried something that fixed it... and also ends up I may not have had to buy a PSU. Although it will not hurt in resurrecting my old system for a backup computer. In the BIOS for my system there is an option "Vlink 8X Supported". I set this to disabled on a whim because I recall that was what the default was in my BIOS (only changed it because the manual showed it as enabled), and now my system is running 8X faster than it was in 2D. I still plan to upgrade the memory, but from what I can see I will have to do it fast as only one vendor around here is still carrying it when they all had it last week.
I intend to install the new PSU this weekend as I know that earlier this week I did find that as a recommendation for the beep codes I get on startup. I could swear it was on this board that I found that information, but cannot seem to find it using Google at all anymore.

Extremely Slow Network Performance with 10.5.8

Let me start off by saying I don't use my mac mini much at all but when I do, the network is incredibly slow and unbearable. Half of the pages don't load, ipsw files for the iPhone take 20-30 minutes (with 15mbps interwebs)
My network setup:
1. Modem (provided by ISP)
2. 2 TB Time Capsule WPA2 security default settings.
3. Airport Connection
Now I would be for using 'openDNS' for a resolution but it didn't really improve the issue. Sure it sped up the internet on that machine, but I'm not willing to use a third party DNS when my MacbookPro connecting to the same exact network, doesn't experience this.
I have removed the hosts file for airport, remove the network connection, reset SMC, to no avail.
If anybody has any insight as to why my mac mini is the only device with poor performance, that would be greatly appreciated.

I shouldn't have to use another user.
Okay. It should also work with your current user but it's not.
For testing purposes and to narrow down the problem, try another user and see if it works.
If it works, it is something with the current user.
If it doesn't work, it is something with the system.

Slow download performance with windows 7 on Cisco 2960S

has someone experience with the the windows 7 on Cisco 2960S.
One customer had the issue with very slow download rate ( 500kByte) with 100MB / full duplex and default tcp paramenter under win 7 with IOS 12.2.55SE1.
No error was seen.
The change of follwing in windows improve the performance a litte bit to 1-2 MByte.
no compression, no tcp windowing, no received side scaling, no windows side heuristic, no checksum offloading and a smaller MTU size than default.
After update the Switch to 12.2.55.SE2 the performance imporve to 4-12 MByte.
Has someone an idea about the chances in IOS 12.2.55SE2. I cant find anything in RN about this issue.
Best regards
Steffen

I have the same issues in WS-C2960G-48TC-L . my downloads dropped in my lan from 2 mb/s to 100kb/s in all operating systems including linux workstations . my ios version is 12.2(44)SE5 in 2960 switches .
i have 2 x 4503-E L3 and 14 2960-48TC-L switches but i can not access the new ios versions to test if the issue is coming from ios version because of end of support .
can someone ensure that the new ios remove this issue ?

Slow processor performance with my s10 and 3d studio Max

Hello all,
I have an s10 6 megs of ram a Quadro FX 370 video card and a Quad core CPU Q6600 @2.4Ghz,
I run Vista home premium 64 bit, this is my home workstation. I am an animator and I use 3ds Max, my system at work is a Dell Optiplex 550 with a core 2 duo E6550 @ 2.33Ghz with 4 megs of ram and a Radeon X700 pro video card.
When I am working on my home system with 3dsMax it really struggles; it's sluggish it takes at least a minute to refresh after doing a small 512 x 512 render , my render times are if anything slower or the same
even though I've got a quad core at home and more memory. I've repeatedly scanned for viruses, malware etc.. The system comes up clean eveytime, I've uploaded the latest drivers for videocard - still no go.
My questions are these; With a quad core CPU and more memory shouldn't this system be faster than the one at work? If I want to upgrade my processor where can I take it ? Has any body else had this problem with 3ds Max 2009 64 bit and the s10. Any suggestions will be greatly appreciated.
Thanks
Solved!
Go to Solution.

skyhy2 wrote:
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Jane
2015 X1 Carbon, ThinkPad Slate, T410s, X301, X200 Tablet, T60p, HP TouchPad, iPad Air 2, iPhone 5S, IdeaTab A2107A, Yoga Tablet, Yoga 3 Pro
I am not a Lenovo Employee.
I AM one of those crazy ThinkPad zealots!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

Slow system boot with wireless keyboard

I have a new Mac Book Pro with OS X Lion. Attached I have a Thunderbolt display, magic mouse and Apple wireless keyboard. My system just runs perfect, but sometimes it uses a long time to boot. Today I've found out that it only happens, when I first turn on the wireless keyboard and after that boot the Mac Book Pro. If the keyboard is turned off while booting, it's very fast and if I turn on the keyboard after booting the system, it stays fast. But not if the keyboard is turned on before booting.
Does somebody else have the same problem? Does someone has a solution for that?
Best regards,
Thomas

Hi...
You actually provided the solution yourself. Or rather the workaround.
Wait for login screen to show before turning on wireless devices.
I asume you are seeing a grey progressbar during boot when you have this issue.
If that's the case, it's actually booting in to save mode.
It's a known issue. Search for grey prograssbar in the forum.
/Dennis

Slow System Performance after binding Machine to OD

Hello,
I've recently installed Leopard Server using standard configuration. I bound two machines to test and I noticed immediately that I took a performance hit speed wise just doing regular stuff like opening applications and browsing internet takes longer than usual for some reason now they use to pop instantly prior to binding to Server. So I broke the connection to see if the server was causing the lag but both machines for some reason now continue to lag. Does the server alter the client in some way that affects its performance? and why does it still affect the machine after the connection is broke? Any input is appreciated.

Just binding a client to an OD server shouldn't make any noticeable difference in speed, assuming that the network is set up correctly. Network homes certainly will slow you down compared to local homes.

Very slow network performance - with uploads faster than downloads

I just got new ISP - 100 mbps through a Cat5 line. It checks out when I run ethernet directly to a computer. However, I want a totally wireless network.
I have a Time Capsule attached by ethernet and that is my main network device. I also have two airport Xpress' to extend the network.
I am getting, on average, 16 mbps! And, upload speed is generally higher.
The Time Capsule is about 2 yrs old, but it is an "n" device.
Anybody have any idea what the problem might be? I was considering getting a new extreme and using the Time Capsule as an extender instead of the expresses because, as I understand it, the express has one band only. Would that be better? Mainly, I want to get the speed up to what it should be.
Is there some way to trouble shoot the Time Capsule?
Others in my building with D Link or Linksys routers are getting over 80 mbps wirelessly, so I know it is possible.
Any help would be greatly appreciated. I want to stay with Apple products, but if not possible I will get another brand of router.
Thanks,
Deanna

Deannanel wrote:
So, William, I got an Airport Extreme. Within 20 or so feet of it I am now getting 85 to 95 Mbps!
Great!
However, in the far reaches of the house, signal is low and I have not been able to extent network with either the Time Capsule or an Airport Express. They just won't connect.
Based on the earlier numbers you gave me, you won't be able to establish a reliable connection "in the far reaches of the house", as it's too far away from the base router. You'll either have to (1) run Ethernet to that remote unit, (2) use PowerLine units as an Ethernet extender, or (3) put the remote unit closer to the base unit.
I reset the Time Capsule a couple of times. I noticed that both devices are automatically set to channel 157.
That's a 5 GHz channel. That band can give faster throughput, but the signal strength falls off faster than in the 2.4 GHz band.
The Extreme has 2 channels - 2 and 157. I do not have the option of changing the channel on either of the other devices.
That makes sense, if they're configured to extend an existing network. They must communicate on the same channel as the base station they're extending.

Slow System Performance! [With Benchmark Results]

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