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Re: best read path explanation - HBase - [mail # user]
...At a read time, if there are more than one HFile for a store, HBase will read that row from all the HFiles (check whether this row is there and if so read) and also from memstore.  So i...
   Author: Anoop John, 2013-01-13, 16:29
Re: Coprocessor / threading model - HBase - [mail # user]
...In your CP methods you will get ObserverContext object from which you can get HRS object. ObserverContext.getEnvironment().getRegionServerServices() Then directly call methods on HRegion to ...
   Author: Anoop John, 2013-01-13, 16:12
Re: exception during coprocessor run - HBase - [mail # user]
...HBase throw this Exception when the connection btw the client process and the RS process (connection through which the op request came) is broken. Any issues with your client app or nw? &nbs...
   Author: Anoop John, 2013-01-13, 16:08
[expand - 1 more] - Re: Increment operations in hbase - HBase - [mail # user]
...operating directly on store files for each increment object ??  Sorry didnt get what is the idea. Can you explain pls? Regarding support for Increments in batch API. Sorry I was checkin...
   Author: Anoop John, 2013-01-13, 07:22
Re: Tune MapReduce over HBase to insert data - HBase - [mail # user]
...Hi              Can you think of using HFileOutputFormat ?  Here you use TableOutputFormat now. There will be put calls to HTable. Instead in HFileOut...
   Author: Anoop John, 2013-01-13, 06:45
[expand - 2 more] - Re: HBase - Secondary Index - HBase - [mail # user]
...perform againt the main table  Didnt follow u completely here. There wont be any get() happening.. As the exact rowkey in a region we get from the index table, we can seek to the exact ...
   Author: Anoop John, 2012-12-27, 15:54
Re: Bulk Loading From Local File - HBase - [mail # user]
...Where you want the data to get stored finally..I mean the raw data.. I hope that in HDFS only ( u want) Have a look at ImportTSV tool..  -Anoop-   On Thu, Dec 13, 2012 at 9:23 PM, ...
   Author: Anoop John, 2012-12-13, 17:46
Re: Can a RegionObserver coprocessor increment counter of a row key that may not belong to the region ? - HBase - [mail # user]
...In that case the CP hook might need to make an RPC call.. Might be to another RS? In this case why cant you think of doing both the table updation from the client side?  Sorry I am not ...
   Author: Anoop John, 2012-12-05, 17:58
Re: Reg:delete performance on HBase table - HBase - [mail # user]
...Hi Manoj                 Can u tell more abt your use case..  You know the rowkey range which needs to be deleted?  (all the rowkeys) Or is ...
   Author: Anoop John, 2012-12-05, 14:17
[expand - 1 more] - Re: Coprocessor slow down problem! - HBase - [mail # user]
...Hi          You can take thread dumps?  -Anoop-  On Mon, Dec 3, 2012 at 1:29 AM, yonghu  wrote:  ...
   Author: Anoop John, 2012-12-03, 02:32
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