sohami commented on a change in pull request #1504: DRILL-6792: Find the right
probe side fragment wrapper & fix DrillBuf…
URL: https://github.com/apache/drill/pull/1504#discussion_r229908821
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/work/WorkManager.java
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@@ -379,11 +379,16 @@ public FragmentExecutor getFragmentRunner(final
FragmentHandle handle) {
return runningFragments.get(handle);
}
+ /**
+ * receive the RuntimeFilter thorough the wire
+ * @param runtimeFilter
+ */
public void receiveRuntimeFilter(final RuntimeFilterWritable
runtimeFilter) {
BitData.RuntimeFilterBDef runtimeFilterDef =
runtimeFilter.getRuntimeFilterBDef();
boolean toForeman = runtimeFilterDef.getToForeman();
QueryId queryId = runtimeFilterDef.getQueryId();
String queryIdStr = QueryIdHelper.getQueryId(queryId);
+ runtimeFilter.retainBuffers(1);
Review comment:
Hmm initially I didn't looked from close() call perspective. But even with
respect to that it doesn't look like there will be any lost Ack case specially
just with the change for transfer the buffer. It looks like more of a race
condition somewhere to me. Can you open a JIRA for this issue - that we should
transfer the buffers and look into about the hang issue ? So that post this PR
we can look into that.
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