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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2018/10/19 10:07:00 UTC

[jira] [Created] (OAK-7853) SegmentBufferWriter not flushed after OnRC

Michael Dürig created OAK-7853:
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             Summary: SegmentBufferWriter not flushed after OnRC
                 Key: OAK-7853
                 URL: https://issues.apache.org/jira/browse/OAK-7853
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: segment-tar
            Reporter: Michael Dürig
            Assignee: Michael Dürig
             Fix For: 1.10


I suspect there is a rare case where a {{SegmentBufferWriter}} is not flushed from the {{SegmentBufferWriterPool}}. This would happen after OnRC when a previous writer is [disposed|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriterPool.java#L194] (vs. being re-used). AFAIU this currently those writers would never be flushed any more and thus lose their transient segment when the store is shut down. This will lead to an inconsistent store ({{SNFE}}).



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