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From "Michael van Rooyen" <>
Subject Index missing documents
Date Sun, 19 Feb 2006 22:06:42 GMT
While building a large index, we had a power outage.  Over 2 million 
documents had been added, each document with up to about 20 fields.  The 
size of the index on disk is ~500MB.  When I started the process up again, I 
noticed that documents that should have been in the index were missing.  In 
retrospect, I think that Lucene was seeing the index as being completely 
empty (it now says there are 385 docs in the index, but all of those have 
been added since the power outage).  The size on disk is still ~500MB.  Does 
anyone have an idea what might cause the documents to dissappear, and what 
can be done to get them back?  Rebuilding takes a while at 100ms per 
document, but it's a bit more concerning if such a outage or crash could 
cause documents to mysteriously dissapear from the index...

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