Have a look at this https://issues.apache.org/jira/browse/CASSANDRA-2787
Thanks, Nehal Mehta 2011/10/1 Radim Kolar <h...@sendmail.cz> > 1. > jamm still do not works on openJDK? > > WARN [MutationStage:368] 2011-10-01 18:21:39,695 Memtable.java (line 156) > MemoryMeter uninitialized (jamm not specified as java agent); assuming > liveRatio of 10.0. Usually this means cassandra-env.sh disabled jamm > because you are using a buggy JRE; upgrade to the Sun JRE instead > > 2. > Cassandra needs jamm just until first CF flush is done because it knows > live to serialized ratio from flush? >
