[jira] [Created] (LUCENE-6199) Reduce per-field heap usage for indexed fields

["Michael McCandless (JIRA)" <ji...@apache.org>]

Michael McCandless created LUCENE-6199:
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             Summary: Reduce per-field heap usage for indexed fields
                 Key: LUCENE-6199
                 URL: https://issues.apache.org/jira/browse/LUCENE-6199
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: Trunk, 5.1


Lucene uses a non-trivial baseline bytes of heap for each indexed
field, and I know it's abusive for an app to create 100K indexed
fields but I still think we can and should make some effort to reduce
heap usage per unique field?

E.g. in block tree we store 3 BytesRefs per field, when 3 byte[]s
would do...




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