Using many dynamic fields in filters, sorts causes OOM
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Key: LUCENE-3953
URL: https://issues.apache.org/jira/browse/LUCENE-3953
Project: Lucene - Java
Issue Type: Bug
Components: core/search
Affects Versions: 4.0
Reporter: Des Lownds
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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