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https://issues.apache.org/jira/browse/SOLR-15727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17571559#comment-17571559
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Shawn Heisey commented on SOLR-15727:
-------------------------------------
If you do a manual hard commit, openSearcher also defaults to true there.
> Split-brain can occur with heavy ingest and violent shutdown
> ------------------------------------------------------------
>
> Key: SOLR-15727
> URL: https://issues.apache.org/jira/browse/SOLR-15727
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 8.9
> Reporter: Don
> Priority: Major
>
> Violent shutdown of collection with 2 replicas per shard with heavy ingest
> causes split-brain where the query results against a collection will yield
> different results each time.
>
> Steps to reproduce IPL 2 issue # Deploy a solr cluster with at least 3
> instances
> # Create a solr collection with 3 shards and 2 replicas per shard
> # Begin heavy ingest to solr
> # Kill one of the solr instances (we had it running in a docker container,
> and ran "docker kill" on the container)
> # Wait for the instance to come back up
> # Stop ingest to solr
> # Run a hard commit on the collection
> # Attempt to do a few queries to the collection
>
> +*Expected Result:*+ * Every query returns the same hit count
> +*Actual Result:*+ * As you run queries, the hit count will fluctuate
>
>
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