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[HBASE-7840] Enhance the java it framework to start & stop a distributed hbase & hadoop cluster - HBase - [issue]
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...Needs are to use a development version of HBase & HDFS 1 & 2.Ideally, should be nicely backportable to 0.94 to allow comparisons and regression tests between versions....
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http://issues.apache.org/jira/browse/HBASE-7840
Author: Nicolas Liochon,
2013-04-23, 18:39
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[HBASE-7839] Add a script to simulate a dead machine during the integration tests - HBase - [issue]
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...A kill -9 cannot be used to simulate a dead box. With a kill -9:1) the sockets are closed by the OS2) the next calls will get immediately a connection refused.Physically unplugging the cable...
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http://issues.apache.org/jira/browse/HBASE-7839
Author: Nicolas Liochon,
2013-04-23, 18:23
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Re: Slow region server recoveries - HBase - [mail # user]
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...The recovery starts at 27:40 (master log: 00:27:40,011), so before the datanode is known as stale. But the first attempt is cancelled, and a new one start at 28:10, before being cancelled ag...
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Author: Nicolas Liochon,
2013-04-22, 07:51
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[HBASE-8360] In HBaseClient#cancelConnections we should close fully the connection - HBase - [issue]
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...If not the clients are not disconnected hence still depend on the timeout......
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http://issues.apache.org/jira/browse/HBASE-8360
Author: Nicolas Liochon,
2013-04-20, 13:36
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[HBASE-8374] NullPointerException when launching the balancer due to unknown region location - HBase - [issue]
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...I don't reproduce this all the time, but I had it on a fairly clean env.It occurs every 5 minutes (i.e. the balancer period). Impact is severe: the balancer does not run. When it starts to o...
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http://issues.apache.org/jira/browse/HBASE-8374
Author: Nicolas Liochon,
2013-04-20, 13:36
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Re: Slow region server recoveries - HBase - [mail # user]
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...Hi, I looked at it again with a fresh eye. As Varun was saying, the root cause is the wrong order of the block locations. The root cause of the root cause is actually simple: HBA...
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Author: Nicolas Liochon,
2013-04-20, 08:16
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[HBASE-8382] NPE in HBaseServer$Connection.readAndProcess - HBase - [issue]
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...2013-04-19 12:27:02,387 WARN [IPC Server handler 8 on 60020] org.apache.hadoop.ipc.HBaseServer: IPC Server handler 8 on 60020: caught a ClosedChannelException, this means that the serv...
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http://issues.apache.org/jira/browse/HBASE-8382
Author: Nicolas Liochon,
2013-04-19, 17:45
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[HBASE-8366] HBaseServer logs the full query. - HBase - [issue]
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...We log the query when we have an error. As a results, the logs are not readable when using stuff like multi.As a side note, this is as well a security issue (no need to encrypt the network a...
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http://issues.apache.org/jira/browse/HBASE-8366
Author: Nicolas Liochon,
2013-04-19, 12:33
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Re: Slow region server recoveries - HBase - [mail # user]
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...Thanks for the detailed scenario and analysis. I'm going to have a look. I can't access the logs (ec2-107-20-237-30.compute-1.amazonaws.com timeouts), could you please send them directly to ...
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Author: Nicolas Liochon,
2013-04-19, 11:00
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Re: Slow region server recoveries - HBase - [mail # user]
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...Hey Varun, Could you please share the logs and the configuration (hdfs / hbase settings + cluster description). What's the failure scenario? node will be given the lowest priority when...
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Author: Nicolas Liochon,
2013-04-19, 07:38
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