JR61452: IIDR IS PROCESSING ORACLE REDO LOG FILE VERY SLOWLY WHEN IT IS READING REDO LOG FILE OF SIZE MORE THAN 4GB.

APAR status

• Closed as program error.

Error description

• IIDR is processing Oracle redo log file very slowly when it is
  reading redo log file of size more than 4gb.
  

Local fix

• Decrease the size of redo log files to less then 4GB.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * This issue may affect you if you use CDC Oracle as a source  *
  * datastore, and the Oracle instance to which CDC connects has *
  * large redo logs.                                             *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * You may see increased latency or decreased throughput when   *
  * CDC Oracle processes large redo log files.                   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to IDR 11.4.0.2-5506 or newer for Oracle.            *
  ****************************************************************
  

Problem conclusion

• Upgrading to IDR 11.4.0.2-5506 or newer for Oracle resolves the
  issue.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  IS CDC ORACLE

• Fixed component ID

  5725E30OR

Applicable component levels

• RB40 PSY

     UP