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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Very high read rate in a single RegionServer
Date Mon, 26 Jan 2015 00:38:01 GMT
How do you trigger major compaction manually ?

Cheers



> On Jan 25, 2015, at 3:40 PM, Pun Intended <punintendedyo@gmail.com> wrote:
> 
> Thank you so much for your help!
> You are right, the slow region server hosts hbase:meta!!!  I am using Hbase
> 0.96.1.1
> 
> I have major compactions disabled. I run major compaction manually once a
> day and when it dpes that besides requesting major compaction on my tables,
> it also requests a major_compact 'hbase:meta'. Is that what could be
> causing the issue? I did a scan on 'hbase:meta' and I see that it contains
> about the same number of regions as it should - I have two tables with
> ~3000 regions each.
> 
> Do you think I have some misconfiguration? Do I need to do some cleanup on
> the meta region? Am I hitting some Hbase bug? Or am I being dumb requesting
> major compaction for the meta region daily?
> 
> I believe on the client side I am doing things right - using scanner
> caching, etc.
> 
> Thank you so much for your help!!

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