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From Radim Kolar <...@filez.com>
Subject Re: Estimation of memtable size are wrong
Date Mon, 26 Mar 2012 08:11:25 GMT
Dne 26.3.2012 0:36, aaron morton napsal(a):
>> 1. its not possible to run them more often? There should be some 
>> limit - run live/serialized calculation at least once per hour. They 
>> took just few seconds.
> The live ratio is updated every time the operation count (since 
> startup) for the CF doubles.
Yes i noticed that. Its not too often, about 1 times per week.

> The ratio here is a strange 105363280 100.48 MB /  1317041 / 1.26 Mb 
>  = 80. The live ratio is capped at 64.
> Can you see any log messages about the live ratio for this CF ?

Last report from problematic CF:
  INFO [MemoryMeter:1] 2012-03-23 00:00:18,407 Memtable.java (line 186) 
CFS(Keyspace='whois', ColumnFamily='ipbans') liveRatio is 64.0 
(just-counted was 16.354632747474547).  calculation took 611ms for 8287 
columns

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