dnhatn commented on a change in pull request #1155: LUCENE-8962: Add ability to
selectively merge on commit
URL: https://github.com/apache/lucene-solr/pull/1155#discussion_r388705514
##########
File path: lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
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@@ -3147,6 +3149,42 @@ public final boolean flushNextBuffer() throws
IOException {
}
}
+ private MergePolicy.OneMerge
updateSegmentInfosOnMergeFinish(MergePolicy.OneMerge merge, final SegmentInfos
toCommit,
+
AtomicReference<CountDownLatch> mergeLatchRef) {
+ return new MergePolicy.OneMerge(merge.segments) {
+ public void mergeFinished() throws IOException {
+ super.mergeFinished();
+ CountDownLatch mergeAwaitLatch = mergeLatchRef.get();
+ if (mergeAwaitLatch == null) {
+ // Commit thread timed out waiting for this merge and moved on. No
need to manipulate toCommit.
Review comment:
We need a stronger synchronization to make sure that we won't modify
`toCommit` if `commitInternal` has stopped waiting for these merges.
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