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https://issues.apache.org/jira/browse/SOLR-12388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16491845#comment-16491845
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ASF subversion and git services commented on SOLR-12388:
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Commit 3c6fb974aefc50f411cba90b2b267804fbb6e1cb in lucene-solr's branch
refs/heads/branch_7x from [~steve_rowe]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=3c6fb97 ]
SOLR-12388: Enable a strict ZooKeeper-connected search request mode, in which
search requests will fail when the coordinating node cant communicate with
ZooKeeper, by setting the "shards.tolerant" param to "requireZkConnected"
> Enable a strict ZooKeeper-connected search request mode, in which search
> requests will fail when the coordinating node can't communicate with ZooKeeper
> -------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-12388
> URL: https://issues.apache.org/jira/browse/SOLR-12388
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Steve Rowe
> Assignee: Steve Rowe
> Priority: Minor
> Attachments: SOLR-12388.patch
>
>
> Right now, a Solr node will return the results of a search request even if it
> cannot communicate with ZooKeeper at the time it receives the request. This
> may result in stale or incorrect results if there have been major changes to
> the collection structure that the node has not been informed of via
> ZooKeeper. When this happens, as long as all known shards respond, the
> response will succeed, and a {{zkConnected}} header set to {{false}} is
> included in the search response.
> There should be an option to instead fail requests under these conditions, to
> prevent stale or incorrect results.
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