In one of customers (on EC2) we had some strange case as noted in SUBJ. Quite possibly there was some serious lack of CPU for VM, but let's at least inspect code for other possible causes of this problem.
|For Gerrit Dashboard: &For+MB-5049=message:MB-5049|
|15248,1||set keepalive on ebucketmigrator sockets. MB-5049||ns_server||Status: MERGED||+2||+1|
|15252,1||Merge remote-tracking branch 'origin/branch-181' into branch-18||ns_server||Status: MERGED||+2||+1|
|15253,1||Merge branch 'branch-18' into merge||ns_server||Status: MERGED||+2||+1|
|15256,2||fail rebalance asap if any of nodes goes down. MB-5049||ns_server||Status: MERGED||+2||+1|
|15417,1||Merge remote-tracking branch 'origin/branch-18' into master||ns_server||Status: MERGED||+2||+1|