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From "Des Lownds (Updated) (JIRA)" <>
Subject [jira] [Updated] (LUCENE-3953) Using many dynamic fields in filters, sorts causes OOM
Date Wed, 04 Apr 2012 22:54:22 GMT


Des Lownds updated LUCENE-3953:

    Attachment: FieldCacheLimitPatch.patch

imports fixed. Patch applies to lucene-solr 4.0 checked out from
> Using many dynamic fields in filters, sorts causes OOM
> ------------------------------------------------------
>                 Key: LUCENE-3953
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: core/search
>    Affects Versions: 4.0
>            Reporter: Des Lownds
>         Attachments: FieldCacheLimitPatch.patch
> I have an index with ~1M documents, and many uniquely named fields. Each document only
has a few fields populated, but there is a large set of dynamic fields across all docs. In
other words, theres many sparse fields.
> Eventually the jvm will fall over due to OOM errors, because lucene's fieldCache grows
without bounds. Adding more heap does not help.

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