Comment 11 for bug 1670908

Reviewed: https://review.opencontrail.org/29562
Committed: http://github.org/Juniper/contrail-controller/commit/409b4f989c2b59e7a4162317102eebd49695b06d
Submitter: Zuul (<email address hidden>)
Branch: master

commit 409b4f989c2b59e7a4162317102eebd49695b06d
Author: arvindvis <email address hidden>
Date: Mon Mar 13 11:34:32 2017 -0700

This fix ensures all redis DB is flushed before any GetSeq calls are sent by the generators. This is needed because we can have the following sequence in the collector that can lead to a crash viz., generator issues GetSeq, collector to redis connection post process call resulting in Flush of database, DeleteUVE request from the generator due to disconnect session. The above sequence tries to delete a UVE thats not there in Redis. This fix prevents such a case from happening.
Closes-Bug:#1670908
Change-Id: I51dfedacdac75fdf5b271cdcaaafb7d4ddfd9bfc