100% disk active time, how to analysis the reasons
my server has only run on low workload, but get 100% active time, how can i determine which program cause it , thanks,
server 2012R2, latest update
Hi SpaceTime_L,
The IO performance issue can caused by many reasons, generally we can first run CHKDSK to check whether have bad sectors. Other information from your figure it show the response
time is very high this is also a serious I/O bottleneck, please first check whether have misaligned disk partitions, it also is the common issue can cause unnecessary disk I/O at the hardware level for disks.
You can refer the following related article to do the further troubleshooting.
PerfGuide: Analyzing Poor Disk Response Times:
http://social.technet.microsoft.com/wiki/contents/articles/1516.perfguide-analyzing-poor-disk-response-times.aspx
Monitoring Disk Usage:
http://social.technet.microsoft.com/wiki/contents/articles/3214.monitoring-disk-usage.aspx
PerfGuide: Analyzing Poor Disk Response Times:
http://social.technet.microsoft.com/wiki/contents/articles/1516.perfguide-analyzing-poor-disk-response-times.aspx
How to Monitor Disk Performance with Performance Monitor:
http://support.microsoft.com/kb/102020
DISK_PERFORMANCE structure:
http://msdn.microsoft.com/en-us/library/windows/desktop/aa363991(v=vs.85).aspx
I’m glad to be of help to you!
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]
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100% highest active time for HDD
I have the 100% highest active time issue....
This seems to be a well known problem, however no solution is found for it yet. I have done pretty much everything imaginable from scans to system tuneups and configurations.
I reinstalled the OS (several times with different versions like pro, ultimate, enterprize ), switched to win 8... got the latest Bios update, got the latest drivers from HP then downloaded them from intel website, I even got the driver for the disk from the manufacturers website, changed the AHCI mode to RAID (- which also enables AHCI btw)... nothing works.
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I have some experience in this and from what I saw till now, the Highest active time varies normaly between 10-25% (more or less) even if your disk is performing some more demanding stuff.
Till recently I thaught that my HDD is to blame, but its not...other guys also face the same issue after replacing it.
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Does anybody have any ideas or permanent fix for this???I have the 100% highest active time issue....
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I reinstalled the OS (several times with different versions like pro, ultimate, enterprize ), switched to win 8... got the latest Bios update, got the latest drivers from HP then downloaded them from intel website, I even got the driver for the disk from the manufacturers website, changed the AHCI mode to RAID (- which also enables AHCI btw)... nothing works.
The completely fresh install of any OS with only the drivers installed runs the HDD on 85-100% in idle.
I have some experience in this and from what I saw till now, the Highest active time varies normaly between 10-25% (more or less) even if your disk is performing some more demanding stuff.
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(The disk and memories installed also pass all diagnosticks and checks without problem)
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I have issues browsing the web, not mentioning other stuff.
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AND STATUS IN('2','4','6'))
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WHERE COMPANY = JH.COMPANY
AND REFERENCE = JH.REFERENCE
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AND DOC_TYPE IS NOT NULL
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Dv4-1275mx freeze for few mins and disk 100% highest active time.
I bought a dv4-1275mx in june and about a week ago, my laptop started to freeze for few minutes and come back.In that time, i didn't do anything and when i checked Resource Monitor (already opened), i saw 100% in Highest Active time in Disk with small data read. This happened several times and when i checked the events, i found following,
Error 6/23/2009 10:08:42 PM atapi 11 None The driver detected a controller error on \Device\Ide\IdePort0.
Error 6/23/2009 10:01:48 PM atapi 11 None The driver detected a controller error on \Device\Ide\IdePort0.
Error 6/23/2009 10:01:48 PM atapi 11 None The driver detected a controller error on \Device\Ide\IdePort0.
Warning 6/23/2009 9:52:40 PM ESENT 510 Performance "Windows (500) Windows: A request to write to the file ""C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.edb"" at offset 2482176 (0x000000000025e000) for 8192 (0x00002000) bytes succeeded, but took an abnormally long time (60 seconds) to be serviced by the OS. In addition, 1 other I/O requests to this file have also taken an abnormally long time to be serviced since the last message regarding this problem was posted 84 seconds ago. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem."
Warning 6/23/2009 9:51:15 PM ESENT 510 Performance "Windows (500) Windows: A request to write to the file ""C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.edb"" at offset 2523136 (0x0000000000268000) for 8192 (0x00002000) bytes succeeded, but took an abnormally long time (60 seconds) to be serviced by the OS. In addition, 0 other I/O requests to this file have also taken an abnormally long time to be serviced since the last message regarding this problem was posted 5515 seconds ago. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem."
Error 6/23/2009 9:49:06 PM atapi 11 None The driver detected a controller error on \Device\Ide\IdePort0.
Error 6/23/2009 9:49:06 PM atapi 11 None The driver detected a controller error on \Device\Ide\IdePort0.
In yesterday, I got and error message after windows start saying there is a problem in svchost module.Therefore i restart my laptop and then i didn't get any error messages.Then i tried to start firefox after about 5 mins and got a error message saying it stopped by data execution prevention.After about 1 min, i got a message saying windows will restart in 1 min and in restart, it did a checkdisk.After that i didn't got any error messages but i couldn't open firefox, therefore i installed it again and i found following events.
Warning 6/29/2009 7:26:35 PM Ntfs 130 None The file system structure on volume C: has now been repaired.
Warning 6/29/2009 7:26:01 PM Ntfs 130 None The file system structure on volume C: has now been repaired.
Warning 6/29/2009 7:25:49 PM Ntfs 130 None The file system structure on volume C: has now been repaired.
Error 6/29/2009 7:25:02 PM Service Control Manager 7000 None "The GSRestartSvc service failed to start due to the following error:
The system cannot find the file specified."
Error 6/29/2009 7:25:02 PM Microsoft-Windows-WMI 10 None "Event filter with query ""SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA ""Win32_Processor"" AND TargetInstance.LoadPercentage > 99"" could not be reactivated in namespace ""//./root/CIMV2"" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected."
Warning 6/29/2009 7:23:51 PM Microsoft-Windows-WLAN-AutoConfig 4001 None "WLAN AutoConfig service has successfully stopped.
Warning 6/29/2009 7:23:51 PM Microsoft-Windows-WLAN-AutoConfig 10002 None "WLAN Extensibility Module has stopped.
Module Path: C:\Windows\System32\bcmihvsrv64.dll
Warning 6/29/2009 7:23:49 PM Microsoft-Windows-Winlogon 6001 None The winlogon notification subscriber <Profiles> failed a notification event.
Warning 6/29/2009 7:23:49 PM Microsoft-Windows-Winlogon 6000 None The winlogon notification subscriber <Profiles> was unavailable to handle a notification event.
Warning 6/29/2009 7:23:49 PM Microsoft-Windows-Winlogon 6001 None The winlogon notification subscriber <Sens> failed a notification event.
Error 6/29/2009 7:23:47 PM Microsoft-Windows-EventSystem 4621 Event System The COM+ Event System could not remove the EventSystem.EventSubscription object {CEB8B221-89C5-41A8-98CE-79B413BF150B}-{00000000-0000-0000-0000-000000000000}-{00000000-0000-0000-0000-000000000000}. The HRESULT was 80070005.
Error 6/29/2009 7:22:41 PM Microsoft-Windows-WMI 10 None "Event filter with query ""SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA ""Win32_Processor"" AND TargetInstance.LoadPercentage > 99"" could not be reactivated in namespace ""//./root/CIMV2"" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected."
Error 6/29/2009 7:19:31 PM Service Control Manager 7032 None "The Service Control Manager tried to take a corrective action (Restart the service) after the unexpected termination of the Server service, but this action failed with the following error:
An instance of the service is already running."
Error 6/29/2009 7:19:31 PM Application Error 1000 (100) Faulting application svchost.exe_BITS, version 6.0.6001.18000, time stamp 0x47919291, faulting module bitsigd.dll, version 7.0.6002.18005, time stamp 0x49e040c9, exception code 0xc0000005, fault offset 0x000000000000232c, process id 0xb98, application start time 0x01c9f8c04759c999.
Error 6/29/2009 7:18:27 PM Microsoft-Windows-WMI 10 None "Event filter with query ""SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA ""Win32_Processor"" AND TargetInstance.LoadPercentage > 99"" could not be reactivated in namespace ""//./root/CIMV2"" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected."
Error 6/29/2009 7:17:40 PM PlugPlayManager 12 None The device 'JMB38X xD Host Controller' (PCI\VEN_197B&DEV_2384&SUBSYS_30FB103C&REV_00\4&2a995034&0&0428) disappeared from the system without first being prepared for removal.
Error 6/29/2009 7:17:40 PM PlugPlayManager 12 None The device 'JMB38X MS Host Controller' (PCI\VEN_197B&DEV_2383&SUBSYS_30FB103C&REV_00\4&2a995034&0&0328) disappeared from the system without first being prepared for removal.
Error 6/29/2009 7:17:40 PM PlugPlayManager 12 None The device 'JMB38X SD Host Controller' (PCI\VEN_197B&DEV_2381&SUBSYS_30FB103C&REV_00\4&2a995034&0&0228) disappeared from the system without first being prepared for removal.
Error 6/29/2009 7:17:40 PM PlugPlayManager 12 None The device 'JMB38X SD/MMC Host Controller' (PCI\VEN_197B&DEV_2382&SUBSYS_30FB103C&REV_00\4&2a995034&0&0028) disappeared from the system without first being prepared for removal.
Error 6/29/2009 7:17:27 PM Application Error 1000 (100) Faulting application svchost.exe_BITS, version 6.0.6001.18000, time stamp 0x47919291, faulting module bitsigd.dll, version 7.0.6002.18005, time stamp 0x49e040c9, exception code 0xc0000005, fault offset 0x0000000000002339, process id 0xff8, application start time 0x01c9f8c023973749.
Error 6/29/2009 7:16:26 PM SecurityCenter 6 None The Windows Security Center Service was unable to load instances of AntiSpywareProduct from WMI.
Error 6/29/2009 7:16:20 PM Application Error 1000 (100) Faulting application svchost.exe_BITS, version 6.0.6001.18000, time stamp 0x47919291, faulting module bitsigd.dll, version 7.0.6002.18005, time stamp 0x49e040c9, exception code 0xc0000005, fault offset 0x000000000000232c, process id 0x1c4, application start time 0x01c9f8bf81c900ad.
Error 6/29/2009 7:14:34 PM Service Control Manager 7000 None "The Norton Internet Security service failed to start due to the following error:
The service did not respond to the start or control request in a timely fashion."
Error 6/29/2009 7:14:34 PM Service Control Manager 7009 None A timeout was reached (30000 milliseconds) while waiting for the Norton Internet Security service to connect.
Error 6/29/2009 7:14:34 PM Service Control Manager 7000 None "The GSRestartSvc service failed to start due to the following error:
The system cannot find the file specified."
I can attach Full events if want. Is this problem comes due to an hardware or OS error? Pls help.
Thanks.I own two of the dv4-1275mx laptops. Both machines were purchased around June of 2009 from Best Buy, and both machines are doing the same thing as what has been described here. It appears that this model has a flaw, or certain production runs have this flaw. I have done an exhaustive amount of research about this problem and know quite a bit about it.
But, good luck getting HP's Customer No-Service department to actually fix the problem. If you try to get them to fix it, you are about to be taken for quite a ride. They have been absolutely no help in diagnosing the problem, and I am still trying to get them to acknowledge and fix the problem with these laptops.
The problem is with the hard disk controller. It happens both with the built-in hard disk drive and with an external disk drive. It occurs whenever you place a significant load on the disk controller. When the problem occurs, the machine will lock up for 60 seconds at a time. Eventually, the driver times out, resets the disk, and drive activity continues until it happens again.
Normally, the problem is very intermittent because normal usage of the machine doesn't always trigger this problem. However, I have been able to replicate the problem consistently using a backup program called Macrium Reflect (free edition). If I use Macrium Reflect to back up or restore the hard disk image using an external disk drive plugged into the eSATA port, then the ATAPI errors in the log appear immediately after it begins copying data. Eventually, the backup will fail.
The worst part about this is the data corruption. If the lock-up condition occurs when a disk write is happening, then the data being written will get corrupted and you will lose data. I have had disks that have gradually gotten so corrupted that they won't boot anymore. I have spent a countless number of hours backing up, restoring, and attempting to use the machine despite these problems.
After doing further research and testing, it appears that this type of problem is not uncommon to the AMD M780G / ATI Radeon 3200 chipset that these laptops use. If you search the Internet for this type of error, you will find a number of HP and Non-HP customers complaining about this same issue with this chipset on different machines. This leads me to believe that the problem might be with the chipset itself.
I have attempted to find a software remedy to the problem with no success. This included trying all of the following:
- Trying Windows Vista 64 with various configurations of service packs and updates.
- Using the Microsoft AHCI driver and the ATI-supplied AHCI driver for the Radeon 3200 series
- Using different BIOS revisions
- Trying to find a magic combination of AHCI driver and BIOS revision that would work
- Trying various settings for disk write caching
- Turning of DMA on the controller
- Uninstalling every piece of HP-supplied software that I could think of that might have even the slightest possibility of interfering with the hard disk controller
None of this worked. Eventually, I concluded that this is a hardware problem that isn't going to get fixed through software.
Sadly, after doing all of this research, HP has not been helpful with getting this problem fixed. In the past, I have owned laptops from Dell and Toshiba, and while I know that no manufacturer is perfect, I have not had many issues getting prompt and reliable service from either of those two companies when I needed it. This is the first time I have purchased an HP laptop. And after the customer no-service experiences I have had, it is likely to be the last time I purchase an HP laptop.
HP's technical support seems to think that re-imaging the drive to reset the machine to factory defaults cures all problems. Over the phone, they have made me do this a couple of times, insisting that the problem is a result of a virus or something I installed on my machine.
Recently, I sent both of my laptops to them for service. To assist them, I included the details of all of the research that I had done. I gave them copies of this information both electronically, and included inside the box with the laptop. The information had details on the steps that I tried, and links to websites documenting problems with the M780G chipset. It also had details on how to replicate the problem with Macrium Reflect. I even re-imaged the machine back to the factory image, and installed Macrium Reflect for their convenience. And what did HP's service department do? They re-imaged the hard drive again and sent it back to me without even bothering to run my test! This is just absolutely moronic. Either the service technician can't read, or the service technician just doesn't care about fixing customer problems!
My complaints about HP's service are as follows:
There is no sense of urgency about fixing problems. I have been enduring this issue for 9 months now. But no one seems to care.
It takes forever for them to turn around machines in their service department. With Dell, I used to have a working laptop in my hands in 5 days, tops. What's worse is that they ship the packages via FedEx Ground with signature confirmation. (If you work a normal day job, good luck trying to get your package from FedEx Ground, which is only open when I am at work.)
The telephone and online support personnel often don't listen to you, and the details of problems don't ever seem to be recorded anywhere. I have had to explain this problem over and over for various people who seemed almost completely ignorant about the problems I have been experiencing.
The technicians are not competent, even when you tell them what needs to be fixed.
As far as I am concerned, HP has not been honoring the warranty on my machines. This is has been frustrating beyond words. I am at the point where I just want two new laptops without this chipset, but I seriously doubt I will ever get that. To all of you who are experiencing the same issue as I am, I wish you the best of luck in getting HP to resolve this problem--you are going to need it! -
How to analyse the time taken for a query
Hey gurus ,
How to find the time taken for a query to execute .
Regards,
VenkateshHi,
Time taken to execute a query = FRONT END TIME + OLAP TIME + DB TIME.
front end time is time taken to do format in BEX.
olap time is time taken to aggegate data in OLAP buffer.
db time is tme taken to collect data at data target.
to fine all these information
goto RSRT -> give query name -> execute+debug -> it will display all the fields > check fields what ever u want.
Regards,
Haritha. -
https://onedrive.live.com/redir?resid=839C8B756498A91A!249&authkey=!AITa4iG_A7PSKII&ithint=file%2c.etl
I have erased my drive and put a clean installation of Windows 8.1 on it twice. Both times my disk usage spikes to 100% every time I start a new program. I have attempted a few solutions such as disabling superfetch, windows search, and pagefile.sys, all
to no avail. I have attached a link to an .etl that should show that my system and local services processes are the major hogs though Chrome can hog activity as well. And hopefully it notes how even though the activity is at 100% the actual throughput rarely
exceeds 0.1 MBps. I have run as many windows updates as I can and all my drivers seem to be up to date. chdisk found no errors on the drive. I hope someone here can tell me what I can do to improve my systems performance. I will eventually rest below 5%, but
always peaks whenever I attempt anything from web browsing to media playback to bringing up Task Manager.WLR
If you compare the 6 biggest Chrome processes they correlate exactly with the 100% HD thrashing. At the same time the Chrome processes cpu usage drop to under 10%. Almost seems like Chrome is writing to cache. I have no idea if it does
or what the reason is but the correlation is to close to be co-incidence
First snip Chrome is using 197million, while the rest of the system is using 114 million
Snip 2 HD by process shows Chrome and not system.
Wanikiya and Dyami--Team Zigzag -
My new E530 often runs so slowly, it's a joke. When this happens, I see the disk activity is at 100% for long periods of time, sometimes for hours, even when I'm not using the machine, or only doing light internet browsing and using MS Office.
During those periods, CPU is running at about 10% and memory at about 55%.
I do not use my computer for gaming or any intensive applications.
How can I stop the disk activity running at 100%?Hi Adeleg,
Welcome to Lenovo Community Forums!
I’m sorry to hear that you are facing the issue with System slow performance on ThinkPad E530.
1. Verify whether the problem occurs intermittently or frequently
2. Verify whether the problem occurs at some certain occasions or under some conditions. Figure out specific slow environments; check is it slowing during startup, slow during playing game, slow during surfing internet.
3. Make sure that the current configuration meets the recommended configuration of the current OS. Remove all external devices and restore factory default hardware configurations by uninstalling all non-bundled devices.
4. Check LSC -Performance and Configuration History - Critical Events (for faulting applications); For machine running Windows 7 / Vista without using LSC, use Windows Realiability monitor to check (command line to run: perfmon /rel).
5. Check if the system is getting more heating while in use.
6. Run complete anti-virus scan.
7. Run HDD and Memory diagnostics.
8. If problem persists, advise to restore preload operating system.
Hope this helps. Do post back if issue persists!
Best regards,
Hemanth Kumar
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter! -
Once the analytic workspace is populated, I can view dimensions directly from Oracle AWM. But sometimes the Data Viewer Window load slowly. I wonder whether it need to aggregate each time. Also I can view the dimensions' data through the navigation tree.But if I want to analysis the data cube more detail, and to mining some more important information should i how to analysis it , and what I can do ?
Oracle OLAP offers several ways to analyze your data. On this web page: Oracle OLAP note the Tutorial, Technical Information, Demonstrations & Videos, and Downloads sections for information on how to analyze your Oracle OLAP data using Microsoft Excel, Oracle BIEE and Oracle APEX reports.
There are also several white papers discussing the advantages of various analysis methods. -
Disk Mode? How long pressing the select and play buttons?
Please, I`ve tried everything to turn it on my ipod since i drop it. It doesn`t appear in itunes or desktop, or my computer. It was with that exclamation mark. I was trying to turn to Disk mode, but it doesn`t go!! For how long should i hold the select and play buttons? I was holding for about 5 minutes until i gave up. Does it take that long?
Thanks, JulianaHow to put your iPod into disk mode:
1) First, make sure that your iPod is mostly charged.
2) Toggle the "hold" switch on/off a few times.
3) Hold the "menu" and "select" (center) buttons down together for 7 seconds.
4) As soon as the Apple logo appears on the screen, let off the menu and center buttons, and immediately click the "select" (center) and "play/pause" buttons until the "disk mode" screen appears.
If that didn't work, your iPod might be broken.
But before you presume that, try those four steps above several more times. Sometimes you need to do this step several times before you get the hang of it.
I hope this helps!
~~Kylene -
How to analyse the performance by using RSRTand byseeing the query results
Hi,
I want to see the performance of the query in each land scape. I have executed my query
using the transaction RSRT. Ho w can we analyse the query reuires aggregats or not.
I have taken the no. of records in cube . I also saw the number of records in the aggregates.
I didnot get the clear picture.
I selected the options Aggregates , Statistics and donot use cache. Query got execute and it displays one report . But I am unable to analyse the performace.
Can anyone please guide me with steps . Which factors we need to consider for the performace point of view.
Points will be rewarded.
Thanks in advacne for all your help.
VamsiHi,
This info may be helpful.
General tips
Using aggregates and compression.
Using less and complex cell definitions if possible.
By using T-codes ST03 or ST03N
Go to transaction ST03 > switch to expert mode > from left side menu > and there in system load history and distribution for a particual day > check query execution time.
Using cache memoery will decrease the loading time of the report.
Run reporting agent at night and sending results to email.This will ensure use of OLAP cache. So later report execution will retrieve the result faster from the OLAP cache.
Also try
1. Use different parameters in ST03 to see the two important parameters aggregation ratio and records transferred to F/E to DB selected.
2. Use the program SAP_INFOCUBE_DESIGNS to see the aggregation ratio for the cube. If the cube does not appear in the list of this report, try to run RSRV checks on the cube and aggregates.
3. --- sign is the valuation of the aggregate. You can say -3 is the valuation of the aggregate design and usage. ++ means that its compression is good and access is also more (in effect, performance is good). If you check its compression ratio, it must be good. -- means the compression ratio is not so good and access is also not so good (performance is not so good).The more is the positives...more is useful the aggregate and more it satisfies the number of queries. The greater the number of minus signs, the worse the evaluation of the aggregate. The larger the number of plus signs, the better the evaluation of the aggregate.
if "-----" then it means it just an overhead. Aggregate can potentially be deleted and "+++++" means Aggregate is potentially very useful.
Refer.
http://help.sap.com/saphelp_nw70/helpdata/en/b8/23813b310c4a0ee10000000a114084/content.htm
4. Run your query in RSRT and run the query in the debug mode. Select "Display Aggregates Found" and "Do not use cache" in the debug mode. This will tell you if it hit any aggregates while running. If it does not show any aggregates, you might want to redesign your aggregates for the query.
Also your query performance can depend upon criteria and since you have given selection only on one infoprovider...just check if you are selecting huge amount of data in the report
5. In BI 7 statistics need to be activated for ST03 and BI admin cockpit to work. By implementing BW Statistics Business Content - you need to install, feed data and through ready made reports which for analysis.
http://help.sap.com/saphelp_nw70/helpdata/en/26/4bc0417951d117e10000000a155106/frameset.htm
/people/vikash.agrawal/blog/2006/04/17/query-performance-150-is-aggregates-the-way-out-for-me
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1955ba90-0201-0010-d3aa-8b2a4ef6bbb2
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ce7fb368-0601-0010-64ba-fadc985a1f94
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/4c0ab590-0201-0010-bd9a-8332d8b4f09c
Performance of BW infocubes
Go to SE38
Run the program SAP_INFOCUBE_DESIGNS
It will shown dimension Vs Fact tables Size in percent If you mean speed of queries on a cube as performance metric of cube,measure query runtime.
You can go to T-Code DB20 which gives you all the performance related information like
Partitions
Databases
Schemas
Buffer Pools
Tablespaces etc
Thanks,
JituK
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