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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "FAQ" by JoaquinCasares
Date Sat, 05 Mar 2011 00:19:56 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "FAQ" page has been changed by JoaquinCasares.


   * [[#bulkloading|How do I bulk load data into Cassandra?]]
   * [[#range_rp|Why aren't range slices/sequential scans giving me the expected results?]]
   * [[#unsubscribe|How do I unsubscribe from the email list?]]
+  * [[#cleaning_compacted_tables|I compacted, so why do I still have all my SSTables?]]
@@ -383, +384 @@

  == How do I unsubscribe from the email list? ==
  Send an email to
+ <<Anchor(cleaning_compacted_tables)>>
+ == I compacted, so why do I still have all my SSTables? ==
+ SSTables that are obsoleted by a compaction are deleted asynchronously when the JVM performs
a GC. You can force a GC from jconsole if necessary, but Cassandra will force one itself if
it detects that it is low on space. A compaction marker is also added to obsolete sstables
so they can be deleted on startup if the server does not perform a GC before being restarted.
Read more on this subject [[|here]].

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