AWR or STATSPACK Snapshot collection extremely slow in 11gR2 (Doc ID 1392603.1)

Last updated on APRIL 29, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Creating AWR or STATSPACK Snapshots may experience extremely poor performance.

Symptoms

Very poor performance while attempting to generate a snapshot for either the AWR ( automatic workload repository ) or Statspack reports.

More specifically this may show as following:

Changes

None may be known or stated although this performance problem is often associated with a migration to 11.2.0.3 , 11.2.0.2 or 11.2.0.1.

Cause

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