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https://issues.apache.org/jira/browse/DRILL-6310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517295#comment-16517295
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ASF GitHub Bot commented on DRILL-6310:
---------------------------------------
ilooner 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_r196499874
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/HashAggBatch.java
##########
@@ -86,6 +99,56 @@
"aggrValuesContainer" /* workspace container */, UPDATE_AGGR_INSIDE,
UPDATE_AGGR_OUTSIDE, UPDATE_AGGR_INSIDE);
+ public int getOutputRowCount() {
+ return hashAggMemoryManager.getOutputRowCount();
+ }
+
+ public RecordBatchMemoryManager getRecordBatchMemoryManager() {
+ return hashAggMemoryManager;
+ }
+
+ private class HashAggMemoryManager extends RecordBatchMemoryManager {
+ private int valuesRowWidth = 0;
+
+ HashAggMemoryManager(int outputBatchSize) {
+ super(outputBatchSize);
+ }
+
+ @Override
+ public void update() {
+ // Get sizing information for the batch.
+ setRecordBatchSizer(new RecordBatchSizer(incoming));
+
+ int fieldId = 0;
+ int avgOutgoingRowWidth = 0;
+ for (VectorWrapper<?> w : container) {
+ if (w.getValueVector() instanceof FixedWidthVector) {
Review comment:
Do these calculations take into account that when we aggregate an INT value
it turns into a BIGINT?
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> limit batch size for hash aggregate
> -----------------------------------
>
> Key: DRILL-6310
> URL: https://issues.apache.org/jira/browse/DRILL-6310
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Affects Versions: 1.13.0
> Reporter: Padma Penumarthy
> Assignee: Padma Penumarthy
> Priority: Major
> Fix For: 1.14.0
>
>
> limit batch size for hash aggregate based on memory.
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