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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Still looking. Stack and Himanshu are looking too (tanks again!). What I do know is that it has to do the fencing mechanism during log splitting. Until I bounced HDFS and ZK (ZK probab...
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Author: lars hofhansl,
2013-05-10, 04:25
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Good news is that as far as I can tell no data was lost. Eventually all logs were split and replayed. From: lars hofhansl To: HBase Dev List Cc: Sent: T...
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Author: lars hofhansl,
2013-05-09, 18:28
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Thanks Stack. I sent the logs. Also, I have since bounced HDFS and ZK and the problem is gone now (I can start RSs again and they stay up). Something got into a weird state. &nb...
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Author: lars hofhansl,
2013-05-09, 18:13
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Thanks Ted and Varun. Let me check on the .META. server. The majority (13) of the RSs died within 2 minutes. The remaining 3 died over the following 10 minutes. So that would p...
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Author: lars hofhansl,
2013-05-09, 17:03
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Another symptom is that about 1h before the RSs started dying I get logs like this: 2013-05-08 15:02:50,723 DEBUG org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Unable t...
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Author: lars hofhansl,
2013-05-09, 16:38
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Thanks Ted. I'll do the same. From: Ted Yu To: [EMAIL PROTECTED]; lars hofhansl Cc: Sent: Thursday, May 9, 2013 9:07 AM Subject: Re: All region server died due to "P...
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Author: lars hofhansl,
2013-05-09, 16:16
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...I will try. I do not think this is the issue, though. The master is up in my case. Right now the cluster is in a state where each region server aborts itself shortly after being starte...
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Author: lars hofhansl,
2013-05-09, 15:48
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Potential jiras that went into 0.94.7 that could be responsible: HBASE-7824 HBASE-8246 HBASE-8276 HBASE-8288 HBASE-8212 HBASE-8081 HBASE-8211 HBASE-8211 From: lars hofhansl &nbs...
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Author: lars hofhansl,
2013-05-09, 07:41
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...All the directories in .logs have the -splitting suffix, so this seems by design. The problem is that even though all logs are split, each time I startup a region server now, its log dir is ...
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Author: lars hofhansl,
2013-05-09, 07:23
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All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...We just had all RegionServers die in a test cluster. All with the following exception. (This is CDH4.2.1 with HBase 0.94.7 build against it) Strangely HDFS is up and running (I can ls ...
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Author: lars hofhansl,
2013-05-09, 06:39
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