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[expand - 1 more] - RE: Where is HBase failed servers list stored - HBase - [mail # user]
...Hi nkeywal,While trying to get more details about this issue I got to know that HMaster is trying to connect to wrong IP Address.Here is exact issue:Due to some unavoidable reason we are for...
   Author: Sandeep L, 2015-03-04, 04:27
[expand - 2 more] - RE: zookeeper.znode.parent mismatch exception - HBase - [mail # user]
...I checked zk dump from master UI, there all 5 zk servers are appearing with some stats. Not always we are getting this exception, only in random intervals we are seeing it.  Thanks,Sand...
   Author: Sandeep L, 2013-12-13, 08:12
Suddenly NameNode stopped responding - HBase - [mail # user]
...Hi, Couple of hours back all of sudden NameNode of our production cluster got stopped responding, due to this our HBase also stopped responding(as expected). Here mysterious thing is we unab...
   Author: Sandeep L, 2013-11-27, 04:59
[expand - 2 more] - RE: Frequent scan time outs in multiple region servers in same time intervals - HBase - [mail # user]
...Hi, We are using hbase-0.94.1 Recently we observed that Requests per second in HBase increased to 2 to 3 fold.We have 15 regionServers & 20 data nodes in our cluster.  Thanks,Sandeep. &...
   Author: Sandeep L, 2013-11-15, 04:11
[expand - 1 more] - RE: Get HBase Read and Write requests per second separately - HBase - [mail # user]
...Is it possible to get from api instead of hbase_metrics.  Thanks,Sandeep.      ...
   Author: Sandeep L, 2013-11-14, 04:07
[expand - 1 more] - RE: HBase wont responding when one region server goes down - HBase - [mail # user]
...@Jean-mar  We are using HBase-0.94.1 with Hadoop-1.0.2.We have 15 Region servers, 5 Zookeepers, 1 master, 3 backup masters and & 18 Dtatnodes.Our Java version is "jdk1.7.0_04" The issue...
   Author: Sandeep L, 2013-10-29, 03:36
RE: Need to update dfs.data.dir in Data Nodes. Best approach ? - HBase - [mail # user]
...Both will work but 2nd one is better.  Thanks,Sandeep.      ...
   Author: Sandeep L, 2013-10-23, 03:41
[expand - 2 more] - RE: Check the value configured in 'zookeeper.znode.parent'. There could be a mismatch with the one configured in the master - HBase - [mail # user]
...Zookeeper Quorum is running fine at without any issue. I also checked zookeeper logs in all quorum machines and I don't seen any errors in logs.  Thanks,Sandeep.     &...
   Author: Sandeep L, 2013-10-03, 08:41
Check if a region is compacting or not - HBase - [mail # user]
...Hi, I would like to check if a region is compacting or not. Can some please let me know how check this?  Thanks,Sandeep.    ...
   Author: Sandeep L, 2013-09-04, 05:02
RE: Handling regionserver crashes in production cluster - HBase - [mail # user]
...Even we are facing same problem, is it fixed in hbase 0.94.8 or 0.97.6 ? If it is fixed we will migrate, can some one conform about this? Thanks,Sandeep.      ...
   Author: Sandeep L, 2013-09-02, 11:23
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB