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тАО04-02-2012 11:06 AM
тАО04-02-2012 11:06 AM
High sys_call_rate but all else normal ??
Hello;
I have a 11.31 system suddenly exhibiting a jump in the GBL_SYS_CALL_RATE in ovpa but all other stats look normal..
Traditional thinking is that this is caused by Apps code change
but our DEV team said none was implemented.
Normally one would expect to find corresponding increase in parms such as GBL_SYS_UTIL or disk I/O, etc..
Fo a while, GBL_PRI_QUEUE jumped but now its in normal range ..
Also checked PROC/File system Table usage and they are within normal range as well..
I am out of ideas ..
Anyone w/ fresh ones, most welcome ..
Thank you
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тАО04-02-2012 07:36 PM
тАО04-02-2012 07:36 PM
Re: High sys_call_rate but all else normal ??
Since you have Glance, run the realtime glance program and type: Y (uppercaseY) to see the global system call rates. You can use the L (uppercase L) to select a process and count the system calls. I once saw a database plugin that generated tens of thousands of time() system calls every few seconds. Turns out they had left some debug and performance timing code turned on by accident.
Bill Hassell, sysadmin
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тАО04-03-2012 04:36 AM
тАО04-03-2012 04:36 AM