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Posted to issues@kudu.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2017/03/13 18:17:41 UTC

[jira] [Created] (KUDU-1933) Master crashes after too many TS re-registrations

Jean-Daniel Cryans created KUDU-1933:
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             Summary: Master crashes after too many TS re-registrations
                 Key: KUDU-1933
                 URL: https://issues.apache.org/jira/browse/KUDU-1933
             Project: Kudu
          Issue Type: Bug
          Components: master
    Affects Versions: 1.3.0
            Reporter: Jean-Daniel Cryans


I had a cluster with mis-matched versions inside the 1.3 release (something no one would see using released versions) and ended up with the tablet servers constantly retrying to register with the master. After a few days of this, the master died this way:

{noformat}
I0308 00:25:47.038650  7619 ts_descriptor.cc:125] Processing retry of TS registration from permanent_uuid: "d8009e07d82b4e66a7ab50f85e60bc30" instance_seqno: 1487888450146835
I0308 00:25:47.038702  7619 ts_manager.cc:84] Re-registered known tserver with Master: d8009e07d82b4e66a7ab50f85e60bc30 (ve0136.halxg.cloudera.com:7050)
I0308 00:25:47.043874  7616 ts_descriptor.cc:125] Processing retry of TS registration from permanent_uuid: "335d132897de4bdb9b87443f2c487a42" instance_seqno: 1487888474889244
I0308 00:25:47.043912  7616 ts_manager.cc:84] Re-registered known tserver with Master: 335d132897de4bdb9b87443f2c487a42 (ve0126.halxg.cloudera.com:7050)
I0308 00:25:47.108677  7617 ts_descriptor.cc:125] Processing retry of TS registration from permanent_uuid: "7425c65d80f54f2da0a85494a5eb3e68" instance_seqno: 1487888491433564
I0308 00:25:47.108719  7617 ts_manager.cc:84] Re-registered known tserver with Master: 7425c65d80f54f2da0a85494a5eb3e68 (ve0122.halxg.cloudera.com:7050)
I0308 00:25:47.111563  7611 ts_descriptor.cc:125] Processing retry of TS registration from permanent_uuid: "c108a85a68504c2bb9f49e4ee683d981" instance_seqno: 1487888392795318
I0308 00:25:47.111604  7611 ts_manager.cc:84] Re-registered known tserver with Master: c108a85a68504c2bb9f49e4ee683d981 (ve0128.halxg.cloudera.com:7050)
F0308 00:25:53.568773  7655 log_index.cc:171] Check failed: log_index > 0 (-2147483648 vs. 0) 
{noformat}

Ideally the master shouldn't crash, but it also sounds like we're not handling log_index overflows.



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