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Re: Zookeeper session timeout - HBase - [mail # user]
...+1 Otis about GC tuning.  Also, If you have separate ZK cluster, note that max zk session timeout you can have is 20 times tickTime setting on ZK cluster. HBase is client to ZK, and any...
   Author: Ameya Kantikar, 2013-07-01, 03:21
[expand - 3 more] - Re: Region servers going down under heavy write load - HBase - [mail # user]
...One more thing. I just dont find this "hbase.zookeeper.property.tickTime" anywhere in the code base. Also, I could not find ZooKeeper API that takes tickTime from client. http://zookeeper.ap...
   Author: Ameya Kantikar, 2013-06-06, 00:45
Problem with Snapshots - HBase - [mail # user]
...HI,  I just upgraded Hbase to 0.94.2-cdh4.2.1, r  I also enabled snapshot in hbase-site.xml file on all master + RS machines to:  hbase.snapshot.enabled true  But when I ...
   Author: Ameya Kantikar, 2013-05-15, 18:07
[expand - 1 more] - Re: Under Heavy Write Load + Replication On : Brings All My Region Servers Dead - HBase - [mail # user]
...Awesome. Thanks Himanshu.   On Wed, Apr 17, 2013 at 10:48 PM, Himanshu Vashishtha  wrote:  ...
   Author: Ameya Kantikar, 2013-04-18, 15:38
Re: Region stuck in transition - HBase - [mail # user]
...We have faced similar issue before (We are on 0.94.2), the way I resolved this is by doing this:  in hbase shell,  assign region_name  Hope this works for you.     O...
   Author: Ameya Kantikar, 2013-04-12, 15:31
Hbase Stargate Returns Scrambled Values - HBase - [mail # user]
...When I run some simple query on stargate it returns scarmbled values.  eg.:  curl -H "Accept: application/json" http://localhost:9001/t2/*/cf1   {"Row":[{"key":"Mg==","Cell":[...
   Author: Ameya Kantikar, 2013-04-10, 22:43
Re: remote hbase connection failure - HBase - [mail # user]
...I think you need to also setup zookeeper parent   Configuration conf = HBaseConfiguration.create();                         c...
   Author: Ameya Kantikar, 2013-03-14, 22:05
Hbase Takes Long time to Restart - Whats the correct way to restart Hbase cluster? - HBase - [mail # user]
...I restarted Hbase master, and its taking long time (at least 30 minutes) to come back.  In master-status page I am seeing over 400 regions in transition.  In the hbase master log I...
   Author: Ameya Kantikar, 2013-01-15, 00:33
Re: Hbase Region Split not working with JAVA API - HBase - [mail # user]
...Here is a sample script to create pre splits.  https://github.com/ameyamk/hbaseSampleScripts/blob/master/CreateTable.java  Hope this helps.  Ameya  On Thu, Nov 15, 2012 a...
   Author: Ameya Kantikar, 2012-11-15, 18:55
[expand - 5 more] - Re: Table in Inconsistent State; Perpetually pending region server transitions while loading lot of data into Hbase via MR - HBase - [mail # user]
...Update::  I pre split the regions and my big  data load MR worked! Thanks for your help.  One note however, it takes time to create table with pre split regions. And I have no...
   Author: Ameya Kantikar, 2012-11-03, 00:10
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