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RE: Load balancer repeatedly close and open region in the same regionserver. - HBase - [mail # user]
...is different. Need to analyse the previous logs also.  Pls file a JIRA, if possible attach the logs to that.    Thanks Howard.  Regards Ram  ...
   Author: Ramkrishna.S.Vasudevan, 2012-07-17, 14:30
[expand - 1 more] - RE: checkAndPut, checkAndDelete - HBase - [mail # dev]
...Hi Dishant  In my first point the check on the client side what I meant is {code}     if (!Bytes.equals(row, r.getRow())) {        throw new DoNotRetryIOEx...
   Author: Ramkrishna.S.Vasudevan, 2012-07-02, 14:23
RE: Can a server function make a rpc call to the corresponding client - HBase - [mail # dev]
...Pls go through http://hbase.apache.org/book/regionserver.arch.html#coprocessors.  Here we have master environment, regionserver environment which will give you access to locate a region...
   Author: Ramkrishna.S.Vasudevan, 2012-06-28, 15:00
[expand - 1 more] - RE: Scan vs Put vs Get - HBase - [mail # user]
...In 0.94  The UI of the RS has a metrics table.  In that you can see  blockCacheHitCount, blockCacheMissCount etc.  May be there is a  variation when you do scan() an...
   Author: Ramkrishna.S.Vasudevan, 2012-06-28, 11:59
RE: secondary indexing of tables - HBase - [mail # user]
...I don't have a sample code.  But it can be done using Coprocessors because it provides lot of hooks.  HBASE-2038 will give you pointers towards that and before that please read abo...
   Author: Ramkrishna.S.Vasudevan, 2012-06-28, 11:51
RE: Stargate: ScannerModel - HBase - [mail # dev]
...Try using setCaching and setBatching. These help you to avoid the number of calls that happens from the client to the server for every result/row fetched.  Regards Ram  ...
   Author: Ramkrishna.S.Vasudevan, 2012-06-28, 08:45
RE: Region splitting problem - HBase - [mail # user]
...Hi   What type of rowkeys are you specifying?  HBase does Byte comparison.  So the split that happens is correct.  "1012" and "10112" will fall in the same region whereas...
   Author: Ramkrishna.S.Vasudevan, 2012-06-28, 08:33
RE: TTL performance - HBase - [mail # user]
...Hi Fredric  hbase.store.delete.expired.storefile - Set this property to true.  This property helps you to delete the store files before compaction.  If  you are intereste...
   Author: Ramkrishna.S.Vasudevan, 2012-06-25, 09:06
RE: Enabling caching increasing the time of retrieval - HBase - [mail # user]
...Hi  Can you confirm that both the test runs created the same number of HFiles?  Regards Ram  ...
   Author: Ramkrishna.S.Vasudevan, 2012-06-25, 06:46
RE: New committer! Nicolas Liochon (N or nkeywal) - HBase - [mail # dev]
...Congrats Nicolas... Welcome..  Regards Ram  To...
   Author: Ramkrishna.S.Vasudevan, 2012-06-21, 03:56
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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