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https://issues.apache.org/jira/browse/ZOOKEEPER-3437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ZOOKEEPER-3437:
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Labels: pull-request-available (was: )
> Improve sync throttling on a learner master
> -------------------------------------------
>
> Key: ZOOKEEPER-3437
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3437
> Project: ZooKeeper
> Issue Type: Improvement
> Components: quorum
> Affects Versions: 3.6.0
> Reporter: Jie Huang
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.6.0
>
>
> As described in ZOOKEEPER-1928, a leader can become overloaded if it sends
> too many snapshots concurrently during sync time. Sending too many diffs at
> the same time can also cause the overloading issue.
> In this JIRA, we will:
> # add diff sync throttling in addition to snap sync throttling
> # extend the protection to followers that serve observers
> # improve the counting of concurrent snap syncs/diff syncs to avoid double
> counting or missing counting
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