vsop-479 commented on PR #12199:
URL: https://github.com/apache/lucene/pull/12199#issuecomment-1508380027
> DocumentsWriterPerThread getAndLock() {
ensureOpen();
DocumentsWriterPerThread dwpt =
freeList.poll(DocumentsWriterPerThread::tryLock);
if (dwpt != null) {
return dwpt;
}
// newWriter() adds the DWPT to the dwpts set as a side-effect. However it
is not added to
// freeList at this point, it will be added later on once DocumentsWriter
has indexed a
// document into this DWPT and then gives it back to the pool by calling
// #marksAsFreeAndUnlock.
return newWriter();
}
@jpountz Does this change makes more small segments generated than the
synchronized version?
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