- Community Home
- >
- Servers and Operating Systems
- >
- Operating Systems
- >
- Operating System - HP-UX
- >
- Re: Performance issue
Categories
Company
Local Language
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Forums
Forums
Discussions
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Community
Resources
Forums
Blogs
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-16-2009 09:59 PM
тАО12-16-2009 09:59 PM
Solved! Go to Solution.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-16-2009 10:04 PM
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-16-2009 10:15 PM
тАО12-16-2009 10:15 PM
Re: Performance issue
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-16-2009 10:26 PM
тАО12-16-2009 10:26 PM
Re: Performance issue
-OS version
-model
-applicaiton running
-when did issue start
-any changes sw/hw made to server
-any other you think that can be relevant
-Please ask the users where when how they face performace issues.
-Is it specific to any file system?
-swapinfo -tam <-- to check swap usage
-top <-- to check cpu usage
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-16-2009 10:47 PM
тАО12-16-2009 10:47 PM
Re: Performance issue
But the thing is that I just want to know what all thigs is to be checked and how to, if connected users are saying server performance is very slow.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-17-2009 12:39 AM
тАО12-17-2009 12:39 AM
Re: Performance issue
#sar -v 5 5
#sar -b 5 5
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-17-2009 09:53 PM
тАО12-17-2009 09:53 PM
Re: Performance issue
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-17-2009 11:04 PM
тАО12-17-2009 11:04 PM
Re: Performance issue
During peak usage (when users say system is slow), check swap usage (percent used):
#swapinfo -tam
The key areas to monitor are reserve, memory and total.
# dmesg
Collect system diagnostic messages to form error log.
# more /var/adm/syslog/syslog.log
Check for any Error or Warning messages
# sar -b 5 10
To check buffer cache. Typically %wcache should 95 or greater most of the time.
# sar -Mu 5 10
To check cpu load
%wio - should be less close to 0 (depends on working environment)
%idle - should be high more than 80 (depends on working environment)
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-17-2009 11:26 PM
тАО12-17-2009 11:26 PM
Re: Performance issue
run /opt/perf/bin/glance.
the first four rows will show you the critical metrics utilisation
viz(CPU,DISK,MEMORY,SWAP OR NETWORK).
This will give you fair idea why system is slow.
Below that it will show you the various process and resource utilistion done by them.
You can sort them as per the particular resource utilisation.
Glance have various options to drill down into the problem.
If all resources seems to be OK check with
the system load
$uptime
will show the load on the system. usually load below 1 is ok if it is 1 or more ask your users to check their applications.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-18-2009 02:34 AM
тАО12-18-2009 02:34 AM
Re: Performance issue
# sar -Mu 5 10"
Here what is this 5 and 10 means?