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Re: Region server shutting down due to HDFS error - HBase - [mail # user]
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...hmmm... I couldn't find it either, so I've looked at the history of that file and sure enough a few check-ins back it had that message. I have no idea how something like this could happen. I...
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Author: Eran Kutner,
2012-03-28, 20:06
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Re: Region server shutting down due to HDFS error - HBase - [mail # user]
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...I don't see any prior HDFS issues in the 15 minutes before this exception. The logs on the datanode reported as problematic are clean as well. However, I now see the log is full of errors li...
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Author: Eran Kutner,
2012-03-28, 16:45
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Re: Region server shutting down due to HDFS error - HBase - [mail # user]
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...Thanks Stack and Harsh, I'll try both suggestions and update the list with the results. -eran On Wed, Mar 28, 2012 at 17:21, Harsh J wrote: ...
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Author: Eran Kutner,
2012-03-28, 15:25
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Re: Region server shutting down due to HDFS error - HBase - [mail # user]
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...Hi Jimmy, HBase is built from latest sources of 0.90 branch (0.90.7-SNAPSHOT), I had the same problem with 0.90.4 Hadoop 0.20.2 from Cloudera CDH3u1 This failure happens during large M...
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Author: Eran Kutner,
2012-03-28, 15:09
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Region server shutting down due to HDFS error - HBase - [mail # user]
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...Hi, We have region server sporadically stopping under load due supposedly to errors writing to HDFS. Things like: 2012-03-28 00:37:11,210 WARN org.apache.hadoop.hdfs.DFSClient: E...
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Author: Eran Kutner,
2012-03-28, 11:28
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[HBASE-4612] Allow ColumnPrefixFilter to support multiple prefixes - HBase - [issue]
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...When having a lot of columns grouped by name I've found that it would be very useful to be able to scan them using multiple prefixes, allowing to fetch specific groups in one scan, without f...
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http://issues.apache.org/jira/browse/HBASE-4612
Author: Eran Kutner,
2012-03-21, 19:23
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Re: Lease does not exist exceptions - HBase - [mail # user]
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...Perfect! Thanks. -eran On Thu, Oct 20, 2011 at 23:27, Jean-Daniel Cryans wrote: ...
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Author: Eran Kutner,
2011-10-20, 21:34
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Re: Lease does not exist exceptions - HBase - [mail # user]
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...Thanks J-D! Since my main table is expected to continue growing I guess at some point even setting the cache size to 1 will not be enough. Is there a way to configure the lease timeout? &nbs...
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Author: Eran Kutner,
2011-10-20, 21:23
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Re: Lease does not exist exceptions - HBase - [mail # user]
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...Hi J-D, Thanks for the detailed explanation. So if I understand correctly the lease we're talking about is a scanner lease and the timeout is between two scanner calls, correct? I think that...
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Author: Eran Kutner,
2011-10-19, 19:51
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Re: Lease does not exist exceptions - HBase - [mail # user]
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...Hi Stack, Yep, reducing the number of map tasks did resolve the problem, however the only way I found for doing it is by changing the setting in the mapred-site.xml file, which means it will...
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Author: Eran Kutner,
2011-10-18, 13:39
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