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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
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
Re: SingleColumnValueFilter for empty column qualifier - HBase - [mail # user]
...You have one CF such that all rows will have KVs for that CF? You need to implement your own filter. Your scan can select the above CF and the on which u need the filtering. Have a look at t...
   Author: Anoop John, 2012-11-01, 06:38
Re: Coprocessor end point vs MapReduce? - HBase - [mail # user]
...For the case bulk delete alone CP (Endpoint) will be better than MR for sure..  Considering your over all need people were suggesting better MR.. U need a scan and move some data into a...
   Author: Anoop John, 2012-10-25, 17:13
Re: Hbase import Tsv performance (slow import) - HBase - [mail # user]
...I think as per your explanation of need for unique id it is okey.. No need to worry abt data loss.. As long as you can make sure you make a unique id things are fine..  MR will make sur...
   Author: Anoop John, 2012-10-24, 06:31
Re: How do I get multiple rows under coprocessor - HBase - [mail # user]
...How many rows want to get within CP?  What is the time taken now? Do you enable block caching?  Pls observe the cache hit ratio. As you issue the Get at the server side only(CP), o...
   Author: Anoop John, 2012-10-24, 04:04
Re: Where is code in hbase that physically delete a record? - HBase - [mail # user]
...Yes the KVs coming out from your delegate Scanner will be in sorted form.. Also with all other logic applied like removing TTL expired data, handling max versions etc..  Thanks for upda...
   Author: Anoop John, 2012-10-20, 03:08
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