Michael McCandless created LUCENE-6814:
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Summary: PatternTokenizer should free heap after it's done
Key: LUCENE-6814
URL: https://issues.apache.org/jira/browse/LUCENE-6814
Project: Lucene - Core
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: Trunk, 5.4
Caught by Alex Chow in this Elasticsearch issue:
https://github.com/elastic/elasticsearch/issues/13721
Today, PatternTokenizer reuses a single StringBuilder, but it doesn't free its
heap usage after tokenizing is done. We can either stop reusing, or ask it to
{{.trimToSize}} when we are done ...
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