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Re: Query on JSON Object - HBase - [mail # user]
...HBase deals in byte arrays, so simply convert your json string to a byte array on save, and convert back on read.  Use the Bytes.toBytes(String) and Bytes.toString(byte[]) accordingly. ...
   Author: Bryan Beaudreault, 2013-02-06, 06:15
Re: remove dead regions server - HBase - [mail # user]
...There really should be no issue or slowdown involved with restarting the masters.  The operation only takes 1-2 seconds and is pretty much transparent to clients.  We run hundreds ...
   Author: Bryan Beaudreault, 2013-02-05, 15:38
Re: remove deadservers - HBase - [mail # user]
...Assuming you are running with multiple masters it should be perfectly safe to restart one of them. In my experience this does not cause any service interruption. If you aren't running with m...
   Author: Bryan Beaudreault, 2013-02-04, 14:10
Re: Max storefile size in CDH3u4 - HBase - [mail # user]
...4GB   On Mon, Jan 28, 2013 at 6:49 PM, Lashing  wrote:  ...
   Author: Bryan Beaudreault, 2013-01-28, 23:51
Re: Fastest way to find is a row exist? - HBase - [mail # user]
...Why do you want to remove the bloom filter?  I think you should keep the bloom filter but also use the KeyOnlyFilter to cut down on data transferred over the wire.   On Fri, Jan 4,...
   Author: Bryan Beaudreault, 2013-01-04, 20:45
Re: reginoserver's log analysis? - HBase - [mail # user]
...It would delay this problem at least.  At the end of the day your application and use case is what determines what you should do. It seems to me you may be hot spotting this region. &nb...
   Author: Bryan Beaudreault, 2013-01-03, 18:32
Re: Error: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reade - HBase - [mail # user]
...We've seen this at times too and would be interested to know what causes it.  Until you get a better answer, one thing we found helps is to move the region via the hbase shell.  Fo...
   Author: Bryan Beaudreault, 2012-12-28, 19:07
Re: 答复:  答复: what is the max size for one region and what is the max size of region for one server - HBase - [mail # user]
...0.90.x supports up to 4GB region sizes max, not 40. You would need to upgrade to 0.92.x at least to go higher than that.   Sent from iPhone.  On Dec 17, 2012, at 9:31 AM, Doug Meil...
   Author: Bryan Beaudreault, 2012-12-17, 14:39
Re: How to pick which region(s) to major compact? - HBase - [mail # user]
...I've looked into this in the past, and I haven't implemented anything yet.  But I have a couple notes:  1) From what I can tell hbase doesn't currently provide you with an API you ...
   Author: Bryan Beaudreault, 2012-12-12, 23:46
[expand - 2 more] - Re: Bulk loading (and/or major compaction) causing OOM - HBase - [mail # user]
...Merging is not an option for us, because we cannot afford to bring our cluster down.  Also, we are not yet convinced that our cluster can handle such large regions due to all the OOM is...
   Author: Bryan Beaudreault, 2012-12-08, 21:08
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB