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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Trivial Update of "ArchitectureCommitLog" by CurtMicol
Date Mon, 30 Nov 2009 18:14:44 GMT
Dear Wiki user,

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

The "ArchitectureCommitLog" page has been changed by CurtMicol.
http://wiki.apache.org/cassandra/ArchitectureCommitLog?action=diff&rev1=1&rev2=2

--------------------------------------------------

  
  Each insertion (deletion) has to first write a log entry to the CommitLog.
  
-  * The writing of all log entries is handled by a single thread in CommitLogExecutorServece.
+  * The writing of all log entries is handled by a single thread in CommitLogExecutorService.
   * For each insert, the CommitLogHeader is first updated, if necessary.
    * For each ColumnFamily CF to be inserted, if the dirty bit for CF in the CommitLogHeader
is off, the dirty bit is turned on and the replay offset for CF in the CommitLogHeader is
updated with the current position in the CommitLog file.
   * A log entry is then added to the tail of the CommitLog file.

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