- **Milestone**: 4.4.FC --> 4.4.RC1


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** [tickets:#623] IMM: Disable PBE can result in an unclean cutoff for 
PRTO-create or PRTA-update.**

**Status:** accepted
**Created:** Tue Nov 12, 2013 01:24 PM UTC by Anders Bjornerstedt
**Last Updated:** Wed Nov 13, 2013 07:19 AM UTC
**Owner:** Anders Bjornerstedt

Disable PBE can result in an unclean cutoff for either PRTO create or PRTA
update. That is, the disable of PBE may result in the two PBEs being terminated
such that one has the PRT transaction committed but the other PBE has not.

Of course, any reload attempted using such a PBE state will only bounce when
reading the PBE files, since both PBE files are marked with PBE being disabled.
Thus this issue is more "academic" than practical. But it does complicate 2PBE
testing if that testing relies on regularly stopping PBE (disabling it) and
comparing the files for being identical. Doing such comparisons on the fly,
for example by copying both files while PBE is enabled does not work well, 
since it requires stopping all application traffic generating persistent writes.


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