High SQL activity causing delays in jobs starting
Experts,
We are having a problem nearly exactly the same time of day each day where jobs scheduled to execute during a roughly 10 minute interval are delayed in there start because of what we think is extra high SQL activity. Our conclusion is based on the observation that during this period the following SQLs are being executed 19400+ and 7100+ time respectively"
SELECT J.STATUS , J.NEWSTATUS , S.LEVEL# , J.OUT$OSNAME , J.OBJ# , J.REMOTE_STATUS FROM RWS_JOB$ J , RWS_STA$ S WHERE J.JOB# = :1 AND S.STATUS = J.STATUS AND ( J.STATUS != :1 OR J.SCH$NAME IS NULL ) FOR UPDATE OF J.STATUS
SELECT VALUE_VCH FROM JCS_JOB_PARAMETERS WHERE JOB_ID = :1 AND PARAMETER_NAME = 'PARENT_WAIT_FOR_CHILD'
We have traced this back to a package called RSISYS.
Can anyone shed some light as to what may be happening and what steps we need to perform to alleviate the situation.
Thanks.
Kind Regards,
David Carr
Hi,
The following applies to the standalone version only, which is the version you are using.
Since it always occurs at roughly the same time, it is probably something recurring.
It could be that you are starting a lot of jobs at the same time, either in CPS or in SAP (if CPS monitors SAP jobs as well).
But you would probably be aware of that.
It can also be the "DeleteCheck" of the RFC agent: please check in the registry the values for "History" and "DeleteCheckInterval" for your SAP system(s).
Finally there are a few system jobs that can have similar effects, such as RSI_SYNC_CCMS_JOBS if there are a lot of jobs to check.
Regards,
Anton.
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systemd-t 1069 root rtd DIR 8,3 4096 2 /
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Hello,
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