tree 9751a1dee1a86d25ec2e779f1c1d77a6da2a2256
parent 01d7fe9aee2b21481abc6cd896bf873e5d8f8df4
author Ian Maxon <imaxon@apache.org> 1521658701 -0700
committer Ian Maxon <imaxon@apache.org> 1521665507 -0700

[ASTERIXDB-1708][TX] Prevent log deletion during scan

Right now there is a potential for a soft checkpoint to delete a
log file that is about to be read as part of a transaction rollback.
This patch stops the soft checkpoint from proceeding if a rollback
is about to take place and vice-versa.

Change-Id: Icff1a520af24c8fac8e5836cdbf46425b78b1260
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2508
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>