Cursor Invalidations in Standby

From: Rakesh Ra <rakeshra.tr_at_gmail.com>
Date: Thu, 10 Jan 2019 15:32:23 +0530
Message-ID: <CAOGpvWpipn-Y1orWLmd=APFw3kOVojOOFLOtJCJrqsLKJ2WtUw_at_mail.gmail.com>



Hi All,

I am seeing some serious cursor invalidations in standby database of version 11.1.0.7 when stats is being run on primary. Even we have no_invalidate set to TRUE while gathering stats on primary as shown below

Primary:
exec DBMS_STATS.GATHER_TABLE_STATS ( ownname=>'xxxxx', tabname=>'yyyyy', estimate_percent=>20, degree=>4, no_invalidate=> TRUE, cascade=>TRUE );

Standby:

SQL_ID         CHILD  PLAN_HASH      EXECS         ETIME     AVG_ETIME
USERNAME      PARSING_SCHEMA_NAME         ROWS_PROCESSED INVALIDATIONS
FIRST_LOAD_TIME
 LAST_LOAD_TIME
------------- ------ ---------- ---------- ------------- -------------
  • --------------------------- -------------- -------------

    6w6ypapws9bwa 0 2540110261 10 62.57 6.26 READR READR 3239 18 2018-08-10/10:48:36 2019-01-08/23:09:33

Anyone has come across this issue and what could be the possible reason for this?

Regards,
Rakesh RA

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http://www.freelists.org/webpage/oracle-l Received on Thu Jan 10 2019 - 11:02:23 CET

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