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Re: JVM seg fault in HBase region server - HBase - [mail # user]
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...Benoit saw this issue with u24 looking from the blog. Is anyone running older than 1.6.0_38 and not seeing this ? Thanks Varun On Thu, May 2, 2013 at 1:49 PM, Andrew Purte...
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Author: Varun Sharma,
2013-05-02, 21:14
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Re: JVM seg fault in HBase region server - HBase - [mail # user]
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...I don't have one unfortunately - We did not have the -XX:ErrorLog turned on But I did some digging following what Benoit wrote in his Blog. Basically the segfault happens in the same p...
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Author: Varun Sharma,
2013-05-02, 20:39
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Re: JVM seg fault in HBase region server - HBase - [mail # user]
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...ldd --version ldd (Ubuntu EGLIBC 2.15-0ubuntu10.3) 2.15 We are running eglibc which is somewhat different from glibc - http://en.wikipedia.org/wiki/Embedded_GLIBC. It seems that ...
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Author: Varun Sharma,
2013-05-01, 21:00
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JVM seg fault in HBase region server - HBase - [mail # user]
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...Hi, I am seeing the following which is a JVM segfault: hbase-regionser[28734]: segfault at 8 ip 00007f269bcc307e sp 00007fff50f7e638 error 4 in libc-2.15.so[7f269bc51000+1b5000] ...
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Author: Varun Sharma,
2013-05-01, 20:54
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Re: hadoop.profile=2.0 - HBase - [mail # dev]
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...Thanks ! I see hadoop.version in there for 0.94.3 like this So I can use mvn clean package -Dhadoop.profile=2.0 -Dhadoop.version=2.0.0-alpha - Is that correct ? &nb...
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Author: Varun Sharma,
2013-04-25, 21:30
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hadoop.profile=2.0 - HBase - [mail # dev]
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...Does this build against 2.0.0-alpha and can we make it build against a later version which has some improvements to the IPC client (adjustable timeouts) ?...
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Author: Varun Sharma,
2013-04-25, 17:47
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[HBASE-8284] Allow String Offset(s) in ColumnPaginationFilter for bookmark based pagination - HBase - [issue]
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...Attaching from email to HBase user mailing list:I am thinking of adding a string offset to ColumnPaginationFilter. There are two reasons:1) For deep pagination, you can seek using SEEK_NEXT_...
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http://issues.apache.org/jira/browse/HBASE-8284
Author: Varun Sharma,
2013-04-24, 02:31
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[HBASE-7295] Contention in HBaseClient.getConnection - HBase - [issue]
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...HBaseClient.getConnection() synchronizes on the connections object. We found severe contention on a thrift gateway which was fanning out roughly 3000+ calls per second to hbase region server...
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http://issues.apache.org/jira/browse/HBASE-7295
Author: Varun Sharma,
2013-04-23, 18:17
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Re: Slow region server recoveries - HBase - [mail # user]
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...Hi Ted, Nicholas, Thanks for the comments. We found some issues with lease recovery and I patched HBASE 8354 to ensure we don't see data loss. Could you please look at HDFS 4721 and HB...
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Author: Varun Sharma,
2013-04-21, 17:38
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Re: Slow region server recoveries - HBase - [mail # user]
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...The important thing to note is the block for this rogue WAL is UNDER_RECOVERY state. I have repeatedly asked HDFS dev if the stale node thing kicks in correctly for UNDER_RECOVERY blocks but...
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Author: Varun Sharma,
2013-04-20, 17:52
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