Shawn Heisey created LUCENE-8814:
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Summary: Use forbiddenapis to block explicit GCs
Key: LUCENE-8814
URL: https://issues.apache.org/jira/browse/LUCENE-8814
Project: Lucene - Core
Issue Type: Improvement
Components: general/build
Reporter: Shawn Heisey
Assignee: Shawn Heisey
Explicit GCs should not be allowed in production code.
We do have a number of System.gc() calls in Lucene and Solr tests, and in the
Lucene benchmark.
I intend to block System.gc() and Runtime.gc() in the forbidden APIs
configuration. As part of that, I need to know whether the explicit calls in
the test and benchmark code should be left there and allowed with
SuppressForbidden, or if we should remove them. My general thought is that
production code will most likely not be doing explicit GCs, so tests shouldn't
be doing it either ... but I didn't design those tests, so I can't claim to
know the intent.
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