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Re: puzzle about hbase row update - HBase - [mail # user]
...There are no updates.  It just adds one more version to the existing row.  You can try out from the HBase shell.  http://hbase.apache.org/book.html - will give an idea on the ...
   Author: ramkrishna vasudevan, 2013-07-02, 08:29
Re: Adding a new region server or splitting an old region in a Hash-partitioned HBase Data Store - HBase - [mail # user]
...I would suggest you could write a custom load balancer and then have your hashing algo to determine how the load balancing should happen.  Hope this helps.  Regards Ram   On F...
   Author: ramkrishna vasudevan, 2013-06-28, 03:39
[expand - 2 more] - Re: Minor versions for HFile and HFileBlock - HBase - [mail # dev]
...Thanks for the comments.  So i hope the approach that am following is correct.  Regards Ram   On Thu, Jun 20, 2013 at 9:45 PM, Andrew Purtell  wrote:  ...
   Author: ramkrishna vasudevan, 2013-06-20, 17:48
Re: SSD vs Spinning disks - HBase - [mail # user]
...Currently this feature is not available.  But there is a JIRA that has been raised to help in achieving this. https://issues.apache.org/jira/browse/HBASE-6572.  Feel free to give y...
   Author: ramkrishna vasudevan, 2013-06-11, 00:48
[expand - 4 more] - Re: Questions about HBase - HBase - [mail # user]
...index cache could be a useful feature for many workflows. Would it be a good idea to have a JIRA for that? I would suggest yes.  You can log the details that you observed and can discus...
   Author: ramkrishna vasudevan, 2013-06-06, 03:15
Re: what's the typical scan latency? - HBase - [mail # user]
...What is that you are observing now?  Regards Ram   On Mon, Jun 3, 2013 at 2:00 PM, Liu, Raymond  wrote:  ...
   Author: ramkrishna vasudevan, 2013-06-03, 09:13
Re: Multiple different failures - HBase - [mail # user]
...HBCK try to re-assign all those regions in parallel or at least as many thread as we have region servers? This point can be looked into.  Also need to check the code once as how it work...
   Author: ramkrishna vasudevan, 2013-06-03, 03:08
Re: [ANNOUNCE] The 1st hbase 0.94.8 release candidate is available for download - HBase - [mail # dev]
...Basically did the following -> Ran the testcases with hadoop 1.  Did not get any failures. -> Started the 0.94.8 with hadoop 1 in distributed mode. -> Ran load test tool and mu...
   Author: ramkrishna vasudevan, 2013-05-31, 05:11
Re: Question about HFile seeking - HBase - [mail # user]
...Generally we start with seeking on all the Hfiles corresponding to the region and load the blocks that correspond to that row key specified in the scan.  If row1 and row1c are in the sa...
   Author: ramkrishna vasudevan, 2013-05-17, 07:40
[expand - 2 more] - Re: NullPointerException while loading large amount of new rows into HBase, exception is thrown when trying to obtain lock for RowKey - HBase - [mail # user]
...The lockRow and unlockRow have been replaced by checkAndXXX and increment() apis so that any operation on a particular row can be done automically. Am not sure of the use case that you are a...
   Author: ramkrishna vasudevan, 2013-05-17, 03:49
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