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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2013/02/03 15:56:12 UTC

[jira] [Created] (SOLR-4400) Rapidly opening and closing cores can lead to deadlock

Erick Erickson created SOLR-4400:
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             Summary: Rapidly opening and closing cores can lead to deadlock
                 Key: SOLR-4400
                 URL: https://issues.apache.org/jira/browse/SOLR-4400
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.1, 5.0
            Reporter: Erick Erickson
            Assignee: Erick Erickson


See the discussion at SOLR-4196. Under ridiculous loads (i.e. every request causes a core to close and another one to open) Solr can lock up. This is _only_ a problem if you are using transient cores (see SOLR-1028) with a limited cache size. Simply lazily loading cores that are NOT transient shouldn't have this problem, you need to be closing cores to get here.

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