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Re: Is it feasible to delete qualified tombstones during minor compaction? - HBase - [mail # dev]
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...Unless you can guarantee that all KVs affected by a delete marker have been deleted you cannot remove the delete marker. That's a fact :) That means in order to remove a delete marker you ha...
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Author: lars hofhansl,
2013-03-14, 17:00
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0.94 tests in bad shape again - HBase - [mail # dev]
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...No RC before this is fixed. Maybe this is all env related. I looked through the past few test runs and cataloged all passes and failures (as long as these are not due an actual code p...
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Author: lars hofhansl,
2013-03-14, 16:23
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...I have proposed some minor changes (including adding the jitter) on HBASE-8099. Turns out there already is a wait-time to give the cluster a chance to shutdown. It defaults to 2s, which was ...
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Author: lars hofhansl,
2013-03-14, 04:16
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...Yeah, lemme sink the RC... We do have a fix. Consider it sunk. In the end there are some more issues to discuss anyway. - Can we avoid RSs taking over queues during a clean shut...
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Author: lars hofhansl,
2013-03-14, 03:48
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0.94 jenkins is currently broken. - HBase - [mail # dev]
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...Please avoid checkins for now, because then we cannot track back which change broke a test (if any) and would have to start reverting changes again. ...
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Author: lars hofhansl,
2013-03-14, 01:54
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...No, this all RSs trying to copy the failed RS' queues over. Most of them will fail, but still report all the queues that they *tried* to move. For each of those a ReplicationSource is setup,...
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Author: lars hofhansl,
2013-03-14, 01:52
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...Hey no problem. It's cool that we found it in a test env. It's probably quite hard to reproduce. This is in 0.94.5 but this feature is off by default. What's the general thought here, ...
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Author: lars hofhansl,
2013-03-14, 01:45
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...Sorry 0.94.6RC1 (I complain about folks not reporting the version all the time, and then I do it too) ________________________________ From: Ted Yu To: [EMAIL PROTEC...
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Author: lars hofhansl,
2013-03-14, 01:27
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Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
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...I suppose the problem could be in zkHelper.copyQueuesFromRSUsingMulti(rsZnode) as called from ReplicationSourceManager.NodeFailoverWorker.run(). copyQueuesFromRSUsingMulti will return the qu...
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Author: lars hofhansl,
2013-03-14, 01:22
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Replication hosed after simple cluster restart - HBase - [mail # dev]
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...We just ran into an interesting scenario. We restarted a cluster that was setup as a replication source. The stop went cleanly. Upon restart *all* regionservers aborted within a few se...
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Author: lars hofhansl,
2013-03-14, 01:12
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