ppadma commented on a change in pull request #1324: DRILL-6310: limit batch
size for hash aggregate
URL: https://github.com/apache/drill/pull/1324#discussion_r198911099
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/common/HashTableTemplate.java
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@@ -646,14 +647,18 @@ public PutStatus put(int incomingRowIdx, IndexPointer
htIdxHolder, int hashCode)
currentIdx = freeIndex++;
boolean addedBatch = false;
try { // ADD A BATCH
- addedBatch = addBatchIfNeeded(currentIdx);
+ addedBatch = addBatchIfNeeded(currentIdx, targetBatchRowCount);
+ if (addedBatch) {
+ // If we just added the batch, update the current index to point to
beginning of new batch.
+ currentIdx = (batchHolders.size() - 1) * BATCH_SIZE;
+ freeIndex = currentIdx + 1;
+ }
} catch (OutOfMemoryException OOME) {
- retryAfterOOM( currentIdx < batchHolders.size() * BATCH_SIZE );
+ retryAfterOOM( currentIdx < totalBatchHoldersSize);
Review comment:
yes, I agree. I got rid of totalBatchHolderSize.
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