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Make Realtime queries not submit to thread pools for the master merger 

Fix https://github.com/druid-io/druid/issues/1111
This commit is contained in:
Charles Allen 2015-02-11 15:43:51 -08:00
parent 8410023b6e
commit e116600c7f
1 changed files with 2 additions and 1 deletions
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3
server/src/main/java/io/druid/segment/realtime/RealtimeManager.java
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@ -24,6 +24,7 @@ import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.inject.Inject;
import com.metamx.common.guava.CloseQuietly;
import com.metamx.common.lifecycle.LifecycleStart;
@ -158,7 +159,7 @@ public class RealtimeManager implements QuerySegmentWalker
Iterable<FireChief> chiefsOfDataSource = chiefs.get(input);
return chiefsOfDataSource == null ? new NoopQueryRunner() : factory.getToolchest().mergeResults(
factory.mergeRunners(
executorService,
MoreExecutors.sameThreadExecutor(), // Chaining query runners which wait on submitted chain query runners can make executor pools deadlock
Iterables.transform(
chiefsOfDataSource, new Function<FireChief, QueryRunner<T>>()
{