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Re: How to change default 1024 open files in Linux - HDFS - [mail # user]
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...HI Sandeep, you can try this path root@dv150:~# *cat /etc/security/limits.d/* *hbase.nofiles.conf hdfs.conf mapred.conf &n...
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Author: Dhanasekaran Anbalagan,
2013-05-07, 16:15
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Hadoop Alert Notification via XMPP - HDFS - [mail # user]
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...Hi Guys, I want to implement Xmpp alert with hadoop blacklisted nodes and dead node info. Please guide me How to implement. It's any other is there for the same. any other Alteri...
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Author: Dhanasekaran Anbalagan,
2013-03-12, 16:54
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Killing my HDD with dncp_block_verification.log.prev file - HDFS - [mail # user]
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...Hi Guys, We have Problem with data node. In our current environment with two replication factor with HDFS file system. root@dvcliftonhera225* 217G current 1.7T dncp_block_v...
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Author: Dhanasekaran Anbalagan,
2013-03-08, 16:56
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Re: DataXceiver error processing WRITE_BLOCK operation src: /x.x.x.x:50373 dest: /x.x.x.x:50010 - HDFS - [mail # user]
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...Hi Varun I believe is not ulimit issue. /etc/security/limits.conf # End of file * - nofile &nb...
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Author: Dhanasekaran Anbalagan,
2013-03-08, 09:42
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Exception in namenode join - HDFS - [mail # user]
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...Hi Guys, I am facing error in my name-node. 2013-02-27 07:21:58,207 ERROR org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader: Encountered exception on operation MkdirOp [leng...
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Author: Dhanasekaran Anbalagan,
2013-02-27, 12:24
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How to get Under-replicated blocks information [Location] - HDFS - [mail # user]
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...Hi Guys, I am running three machine cluster, with replication factor 2, I got problem in replica i changed to 2. after I ran fsck i got Under-replicated blocks: 71 (0.00348...
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Author: Dhanasekaran Anbalagan,
2013-02-27, 10:17
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Re: How to find Replication factor for one perticular folder in HDFS - HDFS - [mail # user]
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...HI YouPeng Yang , Hi already configured dfs.replication factor=2 /bin/hdfs -getconf -conKey dfs.replication hdfs@dvcliftonhera227:~$ hdfs -getconf -conKey dfs...
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Author: Dhanasekaran Anbalagan,
2013-02-27, 10:10
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Re: How to start Data Replicated Blocks in HDFS manually. - HDFS - [mail # user]
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...HI Nitin to 2 yes correct. We have only two datanode, First I wrongly configured after I changed to 2. and i have done with hadoop fs -setrep -R 2 /myfolder same thin...
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Author: Dhanasekaran Anbalagan,
2013-02-25, 14:34
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Hadoop efficient resource isolation - HDFS - [mail # user]
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...Hi Guys, It's possible isolation job submission for hadoop cluster, we currently running 48 machine cluster. we monitor Hadoop is not provides efficient resource isolation. In my...
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Author: Dhanasekaran Anbalagan,
2013-02-21, 13:16
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http://x.x.x.x:50030/jobhistory.jsp [ArrayIndexOutOfBoundsException] - HDFS - [mail # user]
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...Hi Guys, I am trying to view jobhistory.jsp page, It's shows Arry indexoutof Bound Error How to resolve this Problem accessing /jobhistory.jsp. Reason: &nbs...
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Author: Dhanasekaran Anbalagan,
2013-02-21, 10:25
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