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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "MemtableThresholds" by JonathanEllis
Date Mon, 13 Jul 2009 13:17:03 GMT
Dear Wiki user,

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The following page has been changed by JonathanEllis:

  flushed to disk whenever one of the configurable thresholds is exceeded.
  Proper tuning of these thresholds is important in making the most of 
  available system memory, without bringing the node down for lack of memory.
+ (Note that by default bin/ specifies a maximum JVM heap of
+ -Xmx1G, which is very low for production use.  Consider increasing this
+ as well.)
  == Configuring Thresholds ==
  Since Memtables are storing actual column values, they consume at least as

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