msokolov 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_r365840761
##########
File path: lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
##########
@@ -3252,6 +3317,53 @@ private long prepareCommitInternal() throws IOException
{
} finally {
maybeCloseOnTragicEvent();
}
+
+ if (mergeAwaitLatchRef != null && mergeAwaitLatchRef.get() != null) {
+ CountDownLatch mergeAwaitLatch = mergeAwaitLatchRef.get();
+ // If we found and registered any merges above, within the flushLock,
then we want to ensure that they
+ // complete execution. Note that since we released the lock, other
merges may have been scheduled. We will
+ // block until the merges that we registered complete. As they
complete, they will update toCommit to
+ // replace merged segments with the result of each merge.
+ mergeScheduler.merge(this, MergeTrigger.FULL_FLUSH, true);
+ long mergeWaitStart = System.nanoTime();
+ int abandonedCount = 0;
+ long waitTimeMillis = (long) (config.getMaxCommitMergeWaitSeconds() *
1000.0);
+ try {
+ config.getIndexWriterEvents().beginMergeOnCommit();
+ if (mergeAwaitLatch.await(waitTimeMillis, TimeUnit.MILLISECONDS) ==
false) {
+ synchronized (this) {
+ // Need to do this in a synchronized block, to make sure none of
our commit merges are currently
+ // executing mergeFinished (since mergeFinished itself is called
from with the IndexWriter lock).
Review comment:
"... from within ..."
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
