dweiss commented on code in PR #12199:
URL: https://github.com/apache/lucene/pull/12199#discussion_r1132703519
##########
lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java:
##########
@@ -113,15 +113,19 @@ private synchronized DocumentsWriterPerThread newWriter()
{
* operation (add/updateDocument).
*/
DocumentsWriterPerThread getAndLock() {
- synchronized (this) {
- ensureOpen();
- DocumentsWriterPerThread dwpt =
freeList.poll(DocumentsWriterPerThread::tryLock);
- if (dwpt == null) {
- dwpt = newWriter();
+ ensureOpen();
+ DocumentsWriterPerThread dwpt =
freeList.poll(DocumentsWriterPerThread::tryLock);
+ if (dwpt == null) {
Review Comment:
Alex Shipilev had a nice writeup about it - found it here:
https://shipilev.net/blog/2014/safe-public-construction/
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