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Re: HTable.put(List<Put> puts) perform batch insert? - HBase - [mail # user]
...On Mon, Jan 31, 2011 at 5:19 PM, Ryan Rawson  wrote:  htable.getWriteBuffer() isn't thread-safe (correct me if I'm wrong) so be careful with it.  FWIW, asynchbase works differ...
   Author: tsuna, 2011-02-01, 08:03
Re: Row Keys - HBase - [mail # user]
...On Fri, Jan 28, 2011 at 12:09 PM, Peter Haidinyak  wr ote: mended that you use a random key to spread the insert/read load among your  region servers. My question is if I am using ...
   Author: tsuna, 2011-01-28, 20:14
Re: HBase 0.90.0 cannot be put more data after running hours - HBase - [mail # user]
...On Thu, Jan 27, 2011 at 5:43 PM, Schubert Zhang  wrote:  OK as long as you make sure each instance is isolated in its own thread, then you're fine, the problem is elsewhere.  ...
   Author: tsuna, 2011-01-28, 01:47
Re: pass in customized path to hbase-default.xml and hbase-site.xml - HBase - [mail # user]
...Note that if you don't want to deal with XML configuration files, you can try asynchbase (https://github.com/stumbleupon/asynchbase).  It's an alternative fully asynchronous, non-blocki...
   Author: tsuna, 2011-01-28, 00:12
Re: estimate HBase DFS filesystem usage - HBase - [mail # user]
...You can run ``hbase org.apache.hadoop.hbase.io.hfile.HFile -f "$region" -m'' where $region is every HFile (located under /hbase/$table/*/$family).  This is rather slow [1] for some reas...
   Author: tsuna, 2011-01-26, 04:53
Re: reset ResultScanner cursor - HBase - [mail # user]
...On Tue, Jan 25, 2011 at 2:14 PM, Dani Rayan  wrote:  Something is wrong with your cluster or the way you use it.  The overhead of opening / closing the scanner is normally abs...
   Author: tsuna, 2011-01-26, 04:41
Re: Heap fragmentation - HBase - [mail # dev]
...On Thu, Jan 20, 2011 at 2:58 PM, Todd Lipcon  wrote:  Why do you use 200 handler threads?  Isn't that excessive?  Is it possible to ask a RegionServer how many handler th...
   Author: tsuna, 2011-01-21, 04:19
Re: substantial performance degradation when using WAL - HBase - [mail # user]
...On Wed, Dec 15, 2010 at 6:44 AM, Friso van Vollenhoven  wrote:  Those numbers are in line with my experience.  Disabling the WAL gives you a performance boost of about an orde...
   Author: tsuna, 2010-12-16, 17:26
Re: Why and When to use HTablePool? - HBase - [mail # user]
...On Tue, Nov 9, 2010 at 8:14 AM, Michael Segel  wrote:  HTable isn't thread-safe when you write to HBase.  I think that's why HTablePool exists.  If you want a highly scal...
   Author: tsuna, 2010-11-10, 19:57
Announcement: OpenTSDB has been released - HBase - [mail # user]
...Hi fellow HBase users, I hope you don't mind if I make a quick announcement somewhat related to HBase, as OpenTSDB was finally released today!  OpenTSDB is a distributed, scalable Time ...
   Author: tsuna, 2010-11-09, 09:18
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