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Fix it, then Ship it! LGTM otherwise. sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/LeaderStatusMonitor.java (line 251) <https://reviews.apache.org/r/55190/#comment232033> Just curious to know how this works, if the server is elected as a leader this method gets called and blocked on the condition. When someone calls deactivate, the blocked thread would resume and simply set the status isLeader as false. But how are we telling the curator framework to remove the ZK znode that removes the leader status for the server? - Vamsee Yarlagadda On Jan. 6, 2017, 6:06 a.m., Alexander Kolbasov wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/55190/ > ----------------------------------------------------------- > > (Updated Jan. 6, 2017, 6:06 a.m.) > > > Review request for sentry, Colin Ma, Misha Dmitriev, Dapeng Sun, Hao Hao, > kalyan kumar kalvagadda, Vamsee Yarlagadda, and Vadim Spector. > > > Bugs: SENTRY-1583 > https://issues.apache.org/jira/browse/SENTRY-1583 > > > Repository: sentry > > > Description > ------- > > - Restored HAContext class > - Removed Fencing support from HA > - Removed Activator, Activators, and LeaderStatus classes > - Renamed LeaderStatusAdaptor to LeaderStatusMonitor which is now the sole > class responsible for leader status monitoring. > > > Diffs > ----- > > pom.xml df26edf74c04fffcd9fbc3da07e949362eb94728 > > sentry-core/sentry-core-common/src/main/java/org/apache/sentry/core/common/utils/SentryConstants.java > c094058142706a6b564c54fa69ddff5f1e2e5048 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/persistent/HAContext.java > PRE-CREATION > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/provider/db/service/thrift/SentryMetrics.java > f80605c4d68ef266a24e65d14f51066388b48417 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/Activator.java > c3df4d8a6568f236dc5e05ab190cd1f484f7967a > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/Activators.java > 2926eeb97ec450f12d0d08086165c091709ead99 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/LeaderStatus.java > 2467921b3cdc9ebd267d308d5cdcce52a836f207 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/LeaderStatusAdaptor.java > e87b3d13dcf2d10eb7ef00d21b8fa8846b4d16c0 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/LeaderStatusMonitor.java > PRE-CREATION > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/SentryService.java > a9d49f86961f1ced1af40afcfe6172f884a23d44 > > sentry-provider/sentry-provider-db/src/main/java/org/apache/sentry/service/thrift/ServiceConstants.java > d80fa1e71c165b7f1faf1c50c451e049d76b770b > > sentry-provider/sentry-provider-db/src/test/java/org/apache/sentry/provider/db/service/thrift/TestActivator.java > 60cfc735832433fb4dbeae1c2d617dd713fc3f3e > > sentry-provider/sentry-provider-db/src/test/java/org/apache/sentry/provider/db/service/thrift/TestSentryServiceMetrics.java > bc375e32685dcbcbf0b6398856dceced3de789e6 > > sentry-provider/sentry-provider-db/src/test/java/org/apache/sentry/service/thrift/TestLeaderStatus.java > c796fabc21005479fa6afc687cf1df7af76538a9 > > Diff: https://reviews.apache.org/r/55190/diff/ > > > Testing > ------- > > Performed manual testing with two instances of Sentry running. Tried the > following actions: > > - Sending SIGUSR2 to processes which changes leadership status (verified via > log messages and emtrics) > - Killing active server - new sserver is elected as a leader > - Restarting ZK service - a leader is elected once ZK service is back. > > > Thanks, > > Alexander Kolbasov > >
