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From hanm <...@git.apache.org>
Subject [GitHub] zookeeper pull request #292: ZOOKEEPER-2819:Changing membership configuratio...
Date Sun, 02 Jul 2017 03:49:28 GMT
Github user hanm commented on a diff in the pull request:

    --- Diff: src/java/main/org/apache/zookeeper/server/quorum/Learner.java ---
    @@ -374,6 +374,13 @@ else if (qp.getType() == Leader.SNAP) {
                     // The leader is going to dump the database
                     // db is clear as part of deserializeSnapshot()
    +                // ZOOKEEPER-2819: overwrite config node content extracted
    +                // from leader snapshot with local config, to avoid potential
    +                // inconsistency of config node content during rolling restart.
    +                if (!QuorumPeerConfig.isReconfigEnabled()) {
    --- End diff --
    @shralex instead of avoiding deserializing the config zNode we could overwrite the deserialized
zNode content with local quorum config. Test will be covered in the test improvement JIRA

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