Tunning

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J.M.Rodriguez - 29 Sep 2003 09:21 GMT

My server is running on a HPUX ver. 11, use KIO and have over 100
concurrent users. Normally it works well, but there are punctual
moments in that which the system goes very loaded. I see the
processes oninit that consume many CPU. But I am not capable of
verifying that user's sesions are that really are provoking this
consumption. Someone can help me or knows a document that can be
served as guide?

Thank you in advance

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Art S. Kagel - 29 Sep 2003 18:36 GMT

> My server is running on a HPUX ver. 11, use KIO and have over 100 concurrent
> users. Normally it works well, but there are punctual moments in that which
[quoted text clipped - 4 lines]
>
> Thank you in advance

We need more to help you! First you can look in the Performance Guide in the
online manuals, then query the CDI archives for similar tuning problems and see
what advice we have given others, finally post the following and perhaps
someone will spot something:

IDS Version (ex: 7.31UD7, 9.40UC2, etc.)
Contents of your ONCONFIG file (or output from onstat -c).
Output of the following onstat options:
-p, -P (top five and bottom 10 lines only), -d, -D, -L (top section only),
-F, -R, -g iov, -g iof
Time since the engine stats were last zero'd if since startup (onstat -z to
zero engine stats).
Description of your disk farm: BOD (Bunch of Disks), RAID level if any, sizes,
speed, whether filesystems share the same disk structures.
Types of connections (% of users on each): Shared memory, TCP, multiplexor.
Number of CPU & amount of main memory on the machine.
Type of applications/queries: OLTP -versus- DSS -versus- Data Warehouse.

Art S. Kagel

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