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Arina Ielchiieva resolved DRILL-4888. ------------------------------------- Resolution: Fixed Fixed in scope of DRILL-4726. Merged in Apache master with commit 89f2633f612a645666de8f51dcb19c6f8044a95e > putIfAbsent for ZK stores is not atomic > --------------------------------------- > > Key: DRILL-4888 > URL: https://issues.apache.org/jira/browse/DRILL-4888 > Project: Apache Drill > Issue Type: Bug > Affects Versions: 1.8.0 > Reporter: Arina Ielchiieva > Assignee: Arina Ielchiieva > Fix For: 1.9.0 > > > putIfAbsent method in ZookeeperPersistentStore [1] and ZkEphemeralStore [2] > is not atomic. First is checks if znode is absent and then puts data into it, > but by that time someone might have created znode. > [1] > https://github.com/apache/drill/blob/master/exec/java-exec/src/main/java/org/apache/drill/exec/store/sys/store/ZookeeperPersistentStore.java#L89 > [2] > https://github.com/apache/drill/blob/master/exec/java-exec/src/main/java/org/apache/drill/exec/coord/zk/ZkEphemeralStore.java#L90 -- This message was sent by Atlassian JIRA (v6.3.4#6332)