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Ship it! Ship It! - kalyan kumar kalvagadda On Jan. 28, 2019, 4:19 p.m., Na Li wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/69840/ > ----------------------------------------------------------- > > (Updated Jan. 28, 2019, 4:19 p.m.) > > > Review request for sentry, Arjun Mishra, Haley Reeve, and kalyan kumar > kalvagadda. > > > Bugs: sentry-2491 > https://issues.apache.org/jira/browse/sentry-2491 > > > Repository: sentry > > > Description > ------- > > In sentry unit tests, we don't create schema before running a test. Instead, > we use dataNucleus to create sentry tables when they are accessed. This > creates potential deadlock when running test for Sentry HA setup. > > The solution is to let the instances of sentry service start with delay. > Specifically, > let HMS follower threads separate as far as possible, i.e., half of the > interval. > > This deadlock only exists in unit tests, and does not exist in production > because schema is created before starting Sentry services. Therefore, there > is no table creation after service starts. > > > Diffs > ----- > > > sentry-tests/sentry-tests-hive/src/test/java/org/apache/sentry/tests/e2e/minisentry/InternalSentrySrv.java > 9fa42f2 > > > Diff: https://reviews.apache.org/r/69840/diff/3/ > > > Testing > ------- > > such deadlock does not happen with this fix. > Other unit tests passed > > > Thanks, > > Na Li > >