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From Kissue Kissue <>
Subject Items disappearing from Solr index
Date Mon, 24 Sep 2012 10:55:38 GMT

I am running Solr 3.5, using SolrJ and using StreamingUpdateSolrServer to
index and delete items from solr.

I basically index items from the db into solr every night. Existing items
can be marked for deletion in the db and a delete request sent to solr to
delete such items.

My process runs as follows every night:

1. Check if items have been marked for deletion and delete from solr. I
commit and optimize after the entire solr deletion runs.
2. Index any new items to solr. I commit and optimize after all the new
items have been added.

Recently i started noticing that huge chunks of items that have not been
marked for deletion are disappearing from the index. I checked the solr
logs and the logs indicate that it is deleting exactly the number of items
requested but still a lot of other items disappear from the index from time
to time. Any ideas what might be causing this or what i am doing wrong.


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