Attila Bukor has submitted this change and it was merged. ( http://gerrit.cloudera.org:8080/20913 )
Change subject: KUDU-3491 Destruct master before creating a new one ...................................................................... KUDU-3491 Destruct master before creating a new one ServerBase constructor runs MinidumpExceptionHandler constructor that calls RegisterMinidumpExceptionHandler(). This function increments the static atomic variable current_num_instances_. Then the ServerBase is destructed, a similar process happens and current_num_instances_ gets decremented. If current_num_instances_ is not zero before incrementing or not 1 before decrementing, then it is considered an error. This indicates that only one Server can run at any given time. But in case of multi-master config, the master server is replaced, and without the change it is possible that the second server's constructor precede first server's destructor. This change makes it sure that the destructor is executed before the second one's constructor. Change-Id: I3c1019d092bbf9e58f4fc33753a1218bc79735d3 Reviewed-on: http://gerrit.cloudera.org:8080/20913 Reviewed-by: Attila Bukor <[email protected]> Reviewed-by: Mahesh Reddy <[email protected]> Tested-by: Kudu Jenkins --- M src/kudu/master/dynamic_multi_master-test.cc M src/kudu/master/master_runner.cc 2 files changed, 43 insertions(+), 2 deletions(-) Approvals: Attila Bukor: Looks good to me, approved Mahesh Reddy: Looks good to me, but someone else must approve Kudu Jenkins: Verified -- To view, visit http://gerrit.cloudera.org:8080/20913 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: I3c1019d092bbf9e58f4fc33753a1218bc79735d3 Gerrit-Change-Number: 20913 Gerrit-PatchSet: 8 Gerrit-Owner: Ádám Bakai <[email protected]> Gerrit-Reviewer: Attila Bukor <[email protected]> Gerrit-Reviewer: Kudu Jenkins (120) Gerrit-Reviewer: Mahesh Reddy <[email protected]> Gerrit-Reviewer: Tidy Bot (241) Gerrit-Reviewer: Ádám Bakai <[email protected]>
