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https://issues.apache.org/jira/browse/DRILL-5457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014751#comment-16014751
]
ASF GitHub Bot commented on DRILL-5457:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/822#discussion_r117104450
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/base/AbstractBase.java
---
@@ -99,17 +100,31 @@ public void setCost(double cost) {
this.cost = cost;
}
- // Not available. Presumably because Drill does not currently use
- // this value, though it does appear in some test physical plans.
-// public void setMaxAllocation(long alloc) {
-// maxAllocation = alloc;
-// }
-
@Override
public long getMaxAllocation() {
return maxAllocation;
}
+ /**
+ * Any operator that supports spilling should override this method
+ * @param maxAllocation The max memory allocation to be set
+ */
+ @Override
+ public void setMaxAllocation(long maxAllocation) {
+ this.maxAllocation = maxAllocation;
+ /*throw new DrillRuntimeException("Unsupported method:
setMaxAllocation()");*/
+ }
+
+ /**
+ * Any operator that supports spilling should override this method (and
return true)
+ * @return false
+ */
+ @Override
+ public boolean getBufferedOperator() { return false; }
--- End diff --
get --> is
I believe Jackson supports the common "is" idiom for booleans. See [this
post|http://stackoverflow.com/questions/32270422/jackson-renames-primitive-boolean-field-by-removing-is].
> Support Spill to Disk for the Hash Aggregate Operator
> -----------------------------------------------------
>
> Key: DRILL-5457
> URL: https://issues.apache.org/jira/browse/DRILL-5457
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Relational Operators
> Affects Versions: 1.10.0
> Reporter: Boaz Ben-Zvi
> Assignee: Boaz Ben-Zvi
> Fix For: 1.11.0
>
>
> Support gradual spilling memory to disk as the available memory gets too
> small to allow in memory work for the Hash Aggregate Operator.
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