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[expand - 10 more] - Re: RS crash upon replication - HBase - [mail # user]
...But wouldn't a copy table b/w timestamps bring you back since the mutations are all timestamp based we should okay ? Basically doing a copy table which supersedes the downtime interval ? &nb...
   Author: Varun Sharma, 2013-05-23, 16:53
Re: [jira] [Resolved] (HBASE-8591) Doc Improvement: Replication blog - HBase - [mail # dev]
...Hi Himanshu,  I have a follow up question on these metrics. I see that both these metrics basically diff against the timestamp of the WALEdit. The timestamp on the WALEdit is generated ...
   Author: Varun Sharma, 2013-05-22, 20:28
[expand - 4 more] - Re: Questions about HBase replication - HBase - [mail # user]
...So, we have a separate thread doing the recovered logs. That is good to know. I was mostly concerned about any potential races b/w the master renaming the log files, doing the distributed lo...
   Author: Varun Sharma, 2013-05-20, 23:33
[expand - 5 more] - Re: Question about HFile seeking - HBase - [mail # user]
...Thanks Stack and Lars for the detailed answers - This question is not really motivated by performance problems...  So the index indeed knows what part of the HFile key is the row and wh...
   Author: Varun Sharma, 2013-05-17, 07:22
Key Value collision - HBase - [mail # user]
...Hi,  I am wondering what happens when we add the following:  row, col, timestamp --> v1  A flush happens. Now, we add  row, col, timestamp --> v2  A flush happ...
   Author: Varun Sharma, 2013-05-16, 18:49
[HBASE-8554] Scan should seek to startRow within a region - HBase - [issue]
...Currently Scan.startRow() is only used for determining which Region to look up the row into but we do not seek within the region to the start row. Since its not uncommon to run with large si...
http://issues.apache.org/jira/browse/HBASE-8554    Author: Varun Sharma, 2013-05-16, 05:28
[expand - 2 more] - Re: Where is scanner startRow used - HBase - [mail # dev]
...On Wed, May 15, 2013 at 1:20 PM, lars hofhansl  wrote:  Yes,  the rows have 50 columns each when we use a wide schema. Unfortunately, this was a while back when we tried to go...
   Author: Varun Sharma, 2013-05-15, 20:57
[expand - 1 more] - Re: Running prefix scans in hbase - HBase - [mail # user]
...Not after but only before hitting the prefix - I will check the startRow stuff - I could not find where the seek happens for that...   On Wed, May 15, 2013 at 7:51 AM, Stack  wrote...
   Author: Varun Sharma, 2013-05-15, 15:00
Re: Time to tie the bow around 0.94.8 - HBase - [mail # dev]
...Do you mind looking at HBASE-8401 - the patch is over in HBASE 8284 along with a discussion string. I can reattach the patch to that JIRA and make it patch available ?  Varun   On ...
   Author: Varun Sharma, 2013-05-15, 03:53
[expand - 1 more] - Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
...I meant no NTP/clock synchronization b/w zookeeper quorum and the HBase cluster. I am not sure if you are seeing the exact same issue though. We did not have mass failures at the same time d...
   Author: Varun Sharma, 2013-05-09, 16:41
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