[jira] [Created] (SOLR-3888) need beter handling of external add/commit requests during tlog recovery

["Hoss Man (JIRA)" <ji...@apache.org>]

Hoss Man created SOLR-3888:
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             Summary: need beter handling of external add/commit requests during tlog recovery
                 Key: SOLR-3888
                 URL: https://issues.apache.org/jira/browse/SOLR-3888
             Project: Solr
          Issue Type: Bug
    Affects Versions: 4.0
            Reporter: Hoss Man
            Assignee: Yonik Seeley
             Fix For: 4.1


as noted in SOLR-3884: if Solr suffers an unclean-shutdown with documents in the tlog that have not been hard commited to the index, it is then possible that on the next startup tlog recovery will cause "commits" sent by external clients (ie: after indexing new documents) to be ignored.

in general, we need to give more thought to edge causes of how updates during tlog recovery should be dealt with...

* is there a non-solrcloud tlog recovery case we're handling poorly?
* should all updates be blocked until tlog recovery finishes?
* should tlog recovery be synchronized on UpdateHandler init so that solr isn't even listing on the port until it finishes?

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