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Bharath Vissapragada resolved HBASE-25743. ------------------------------------------ Resolution: Fixed Currently doesn't apply to branch-1 because the ZK dependency is still 3.4.10. > Retry REQUESTTIMEOUT KeeperExceptions from ZK > --------------------------------------------- > > Key: HBASE-25743 > URL: https://issues.apache.org/jira/browse/HBASE-25743 > Project: HBase > Issue Type: Bug > Components: Zookeeper > Affects Versions: 3.0.0-alpha-1, 2.5.0, 2.4.3, 2.3.6 > Reporter: Bharath Vissapragada > Assignee: Bharath Vissapragada > Priority: Major > Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.3, 2.3.6 > > > Starting ZOOKEEPER-2251, client requests exceeding a timeout can throw a > KeeperException with REQUESTTIMEOUT opcode set. RecoverableZookeeper doesn't > transparently retry in such case. This was causing RS aborts when there is a > flaky ZK quorum member serving slow requests (especially in cases like > rolling upgrades and such). -- This message was sent by Atlassian Jira (v8.3.4#803005)