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From "Radim Kolar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-4243) skip liveratio calc if memtable has 0 columns
Date Mon, 14 May 2012 13:49:51 GMT
Radim Kolar created CASSANDRA-4243:
--------------------------------------

             Summary: skip liveratio calc if memtable has 0 columns
                 Key: CASSANDRA-4243
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4243
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.0.10
            Reporter: Radim Kolar
            Priority: Minor


liveratio calc should do nothing if memtable has 0 columns. I did manual flush before this:

WARN [MemoryMeter:1] 2012-05-10 13:21:19,430 Memtable.java (line 181) setting live ratio to
maximum of 64 instead of Infinity
INFO [MemoryMeter:1] 2012-05-10 13:21:19,431 Memtable.java (line 186) CFS(Keyspace='rapidshare',
ColumnFamily='resultcache') liveRatio is 64.0 (just-counted was 64.0).  calculation took 1ms
for 0 columns

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