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Re: [Shadow Regions / Read Replicas ] Wal per region? - HBase - [mail # dev]
...On Mon, Dec 2, 2013 at 10:20 PM, Jonathan Hsieh  wrote:  Yes, agree on this. My thought is also in the direction that with SSDs the issue of many files per RS would be hopefully no...
   Author: Devaraj Das, 2013-12-03, 19:21
[HBASE-9773] Master aborted when hbck asked the master to assign a region that was already online - HBase - [issue]
...Came across this situation (with a version of 0.96 very close to RC5 version created on 10/11):The sequence of events that happened:1. The hbck tool couldn't communicate with the RegionServe...
http://issues.apache.org/jira/browse/HBASE-9773    Author: Devaraj Das, 2013-10-17, 18:50
[HBASE-9777] Two consecutive RS crashes could lead to their SSH stepping on each other's toes and cause master abort - HBase - [issue]
...Here is the sequence of events (with a version of 0.96 very close to RC5 version created on 10/11):1. Master assigns regions to some server RS1. One particular region is 300d71b112325d43b99b...
http://issues.apache.org/jira/browse/HBASE-9777    Author: Devaraj Das, 2013-10-16, 17:48
Re: [VOTE] The 6th hbase-0.96.0 release candidate is available for download - HBase - [mail # dev]
...+1. Based on some large scale tests with bits very close to RC5. Found two issues - HBASE-9773 and HBASE-9777 and neither of them are release blockers in my mind.   On Fri, Oct 11, 2013...
   Author: Devaraj Das, 2013-10-16, 01:25
[HBASE-5705] Introduce Protocol Buffer RPC engine - HBase - [issue]
...Introduce Protocol Buffer RPC engine in the RPC core. Protocols that are PB aware can be made to go through this RPC engine. The approach, in my current thinking, would be similar to HADOOP-...
http://issues.apache.org/jira/browse/HBASE-5705    Author: Devaraj Das, 2013-10-15, 05:46
[HBASE-7932] Do the necessary plumbing for the region locations in META table and send the info to the RegionServers - HBase - [issue]
...To be specific, this jira is to do the following during createTable:1. Favored node calculation2. Persisting of calculation in .META.3. Letting RegionServers know of the favored nodes for ne...
http://issues.apache.org/jira/browse/HBASE-7932    Author: Devaraj Das, 2013-10-15, 05:46
Re: Regarding QoS for Handlers - HBase - [mail # dev]
...Varun, it'll be good to have your inputs on HBASE-8836 which I think is related to what you are talking about.   On Sun, Oct 13, 2013 at 1:54 PM, Varun Sharma  wrote:   CONFID...
   Author: Devaraj Das, 2013-10-14, 05:17
[expand - 2 more] - Re: HEADSUP: Working on new 0.96.0RC - HBase - [mail # dev]
...Likewise, no failures with hadoop-2.2   On Fri, Oct 11, 2013 at 2:07 PM, Ted Yu  wrote:   CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual...
   Author: Devaraj Das, 2013-10-11, 21:09
[HBASE-9738] Delete table and loadbalancer interference - HBase - [issue]
...I have noticed that when the balancer is computing a plan for region moves, and a delete table is issued, there is some interference.1. At time t1, user deleted the table.2. This led to the ...
http://issues.apache.org/jira/browse/HBASE-9738    Author: Devaraj Das, 2013-10-10, 05:38
[HBASE-9456] Meta doesn't get assigned in a master failure scenario - HBase - [issue]
...The flow:1. Cluster is up, meta is assigned to some server2. Master is killed3. Master is brought up, it is initializing. It learns about the Meta server (in assignMeta).4. Server holding me...
http://issues.apache.org/jira/browse/HBASE-9456    Author: Devaraj Das, 2013-09-25, 05:39
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