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Custom compaction - HBase - [mail # user]
...Is there a way to customize the compaction function (like a hook provided b y the API) or is it invisible to the user?  Thank you Vidhya ...
   Author: Vidhyashankar Venkatarama..., 2010-05-26, 22:56
Re: Disabled automated compaction - table still compacting - HBase - [mail # user]
...Hi David,  Minor compactions can be promoted to Major compactions when all the files are selected for compaction. And the property below will not avoid that to occur.  Section 9.7.6.5 there...
   Author: Jean-Marc Spaggiari, 2013-07-09, 14:41
Reducing compaction queue more efficiently - HBase - [mail # user]
... entries in my compaction queue (~ 200 per regionserver). Unfortunately, HBase now is slow when pushing new data into it and it just compacts with 0.02 per second (getting also "WARN org...
....apache.hadoop.ipc.HBaseServer: (operationTooSlow)" in log files). If I want to trigger the compaction manually, there's nothing happening: hbase(main):001:0> compact 'images' 0 row(s) in 1.3690 seconds hbase(main):002:0> major_compact...
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   Author: Sven Herzky, 2014-03-27, 11:37
Effect of region size on compaction performance - HBase - [mail # user]
.... However, I am worried many regions will cause longer overall compactions of the HBase data. Is this the case? I am thinking about extending TableInputFormat to override the 1-map...
   Author: David Koch, 2014-03-23, 01:58
Re: Why is this region compacting? - HBase - [mail # user]
...Can you past logs a bit before that? To see if anything triggered the compaction? Before the 1M compactions entries.  Also, what is your setup? Are you running in Standalone? Pseudo...
   Author: Jean-Marc Spaggiari, 2013-09-24, 16:13
Manage Major Compaction. - HBase - [mail # user]
...Hello,  The hbase book at apache website has the following statement about controlling major compaction: "A common administrative technique is to manage major compactions manually, rather...
... than letting HBase do it. By default,HConstants.MAJOR_COMPACTION_PERIOD is one day and major compactions may kick in when you least desire it - especially on a busy system. To turn off...
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   Author: Jason Huang, 2013-09-20, 20:06
Re: Check if a region is compacting or not - HBase - [mail # user]
...Search the reagion name in regionserver logs, if there are starting compaction messages but no matched finishing messages, the region is compacting.      Frank Chow  From: Sandeep L Date...
...: 2013-09-04 13:32 To: [EMAIL PROTECTED] Subject: Check if a region is compacting or not Hi, I would like to check if a region is compacting or not. Can some please let me know how check this...
   Author: Frank Chow, 2013-09-04, 12:26
HConstants.MAJOR_COMPACTION_PERIOD - HBase - [mail # user]
...Hi, Where should I set it?  HConstants.MAJOR_COMPACTION_PERIOD Yaniv View this message in context: http://apache-hbase.679495.n3.nabble.com/HConstants-MAJOR-COMPACTION-PERIOD-tp4055960...
   Author: yanivG, 2014-02-13, 16:09
Re: number of store files and compaction - HBase - [mail # user]
...bq. will hbase.hstore.blockingStoreFiles still take effect? Yes. bq. does it trigger a minor compaction or major one Minor compaction, unless all store files are selected where...
... the compaction becomes major. On Fri, Feb 7, 2014 at 8:05 AM, Yu, Libo  wrote:   ...
   Author: Ted Yu, 2014-02-07, 16:57
Compaction throttling and per-region compaction automation - HBase - [mail # user]
...Hi,  Major compactions are..... you know... :) So I saw there is https://issues.apache.org/jira/browse/HBASE-3743 for throttling them.  We are about to try the per-region compaction, so I...
   Author: Otis Gospodnetic, 2012-11-06, 18:38
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