Network-related bandwidth / latency issues are causing the wait event "LNS wait on SENDREQ" to be in the top 5 in an DG environment with a physical standby where the primary uses LGWR ASYNC redo transfer. (Doc ID 1565099.1)

Last updated on APRIL 18, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 12.1.0.2 [Release 10.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Network-related bandwidth / latency issues are causing the wait event "LNS wait on SENDREQ" to be in the top 5 wait events in an 10.2.0.4 DG environment with a physical standby where the primary uses LGWR ASYNC redo transfer.

Cause

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