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Posted to issues@storm.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2016/10/21 17:39:58 UTC

[jira] [Created] (STORM-2171) blob recovery on a single host results in deadlock

Robert Joseph Evans created STORM-2171:
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             Summary: blob recovery on a single host results in deadlock
                 Key: STORM-2171
                 URL: https://issues.apache.org/jira/browse/STORM-2171
             Project: Apache Storm
          Issue Type: Bug
          Components: storm-core
    Affects Versions: 2.0.0
            Reporter: Robert Joseph Evans


It might be more versions but I have only tested this on 2.x.

Essentially when trying to find replicas to copy blobs from LocalFSBlobStore does not exclude itself.  This results in a deadlock where it is holding a lock trying to download the blob, and at the same time has done a request back to itself trying to download the blob, but it will never finish because it is blocked on the same lock.



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