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https://issues.apache.org/jira/browse/ZOOKEEPER-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13659683#comment-13659683
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Camille Fournier commented on ZOOKEEPER-1642:
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Flavio is this ready to go? It looks ok with me, if so I can check it in.
> Leader loading database twice
> -----------------------------
>
> Key: ZOOKEEPER-1642
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1642
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Flavio Junqueira
> Assignee: Flavio Junqueira
> Fix For: 3.5.0, 3.4.6
>
> Attachments: ZOOKEEPER-1642.patch, ZOOKEEPER-1642.patch
>
>
> The leader server currently loads the database before running leader election
> when trying to figure out the zxid it needs to use for the election and again
> when it starts leading. This is problematic for larger databases so we should
> remove the redundant load if possible.
> The code references are:
> # getLastLoggedZxid() in QuorumPeer;
> # loadData() in ZooKeeperServer.
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