Steve Rowe created SOLR-12388:
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Summary: 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
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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