don't reuse byte[] in IndexInput/Output for read/writeString
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Key: LUCENE-2422
URL: https://issues.apache.org/jira/browse/LUCENE-2422
Project: Lucene - Java
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 2.9.3, 3.0.2, 3.1, 4.0.0
IndexInput now holds a private "byte[] bytes", which it re-uses for reading
strings. Likewise, IndexOutput holds a UTF8Result (which holds "byte[]
bytes"), re-used for writing strings.
These are both dangerous, since on reading or writing immense strings, we never
free this storage.
We don't use read/writeString in very perf sensitive parts of the code, so, I
think we should not reuse the byte[] at all.
I think this is likely the cause of the recent "IndexWriter and memory usage"
thread, started by Ross Woolf on java-u...@.
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