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From Karl Hiramoto <>
Subject Re: Compaction doubles disk space
Date Thu, 31 Mar 2011 06:50:35 GMT
On 3/30/2011 12:39 PM, aaron morton wrote:
> Checked the code again, got it a bit wrong. When getting a path to 
> flush a memtable (and to write an incoming stream) via 
> cfs.getFlushPath() the code does not invoke GC if there is not enough 
> space.
> One reason for not doing this could be that when we do it during 
> compaction we wait for 20 seconds before checking disk space again. 
> However the write happens on a separate flusher pool.
> created to ask if 
> we can/should reclaim space during flush.
> Karl, what version are you using and have you altered the compaction 
> thresholds ?

0.7.4  and no.
This behavior has been though all of the 0.7.x series.


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