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From Apache Wiki <>
Subject [Lucene-java Wiki] Update of "ImproveIndexingSpeed" by MikeMcCandless
Date Wed, 24 Jun 2009 09:06:09 GMT
Dear Wiki user,

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

The following page has been changed by MikeMcCandless:

The comment on the change is:
Add "use an SSD" recommendation

   Remote filesystems are typically quite a bit slower for indexing.  If your index needs
to be on the remote fileysystem, consider building it first on the local filesystem and then
copying it up to the remote filesystem.
   * '''Get faster hardware, especially a faster IO system.'''
+  If possible, use a solid-state disk (SSD).  These devices have come down substantially
in price recently, and much lower cost of seeking can be a very sizable speedup in cases where
the index cannot fit entirely in the OS's IO cache.
   * '''Open a single writer and re-use it for the duration of your indexing session.'''

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