mikemccand commented on a change in pull request #1576:
URL: https://github.com/apache/lucene-solr/pull/1576#discussion_r443573360



##########
File path: lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
##########
@@ -2144,39 +2145,43 @@ private synchronized boolean 
updatePendingMerges(MergePolicy mergePolicy, MergeT
     assert maxNumSegments == UNBOUNDED_MAX_MERGE_SEGMENTS || maxNumSegments > 
0;
     assert trigger != null;
     if (stopMerges) {
-      return false;
+      return null;
     }
 
     // Do not start new merges if disaster struck
     if (tragedy.get() != null) {
-      return false;
+      return null;
     }
-    boolean newMergesFound = false;
     final MergePolicy.MergeSpecification spec;
     if (maxNumSegments != UNBOUNDED_MAX_MERGE_SEGMENTS) {
       assert trigger == MergeTrigger.EXPLICIT || trigger == 
MergeTrigger.MERGE_FINISHED :
       "Expected EXPLICT or MERGE_FINISHED as trigger even with maxNumSegments 
set but was: " + trigger.name();
 
       spec = mergePolicy.findForcedMerges(segmentInfos, maxNumSegments, 
Collections.unmodifiableMap(segmentsToMerge), this);
-      newMergesFound = spec != null;
-      if (newMergesFound) {
+      if (spec != null) {
         final int numMerges = spec.merges.size();
         for(int i=0;i<numMerges;i++) {
           final MergePolicy.OneMerge merge = spec.merges.get(i);
           merge.maxNumSegments = maxNumSegments;
         }
       }
     } else {
-      spec = mergePolicy.findMerges(trigger, segmentInfos, this);
+      switch (trigger) {
+        case COMMIT:

Review comment:
       Full flush happens for refresh and commit.
   
   But we have only implemented "merge on commit" so far.
   
   I would love to also add "merge on refresh", but until we do so, I think 
it's correct for `IndexWriter` to separate out the `COMMIT` case here like this.




----------------------------------------------------------------
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:
us...@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For additional commands, e-mail: issues-h...@lucene.apache.org

Reply via email to