jihoonson closed pull request #6308: overlord check task whether is present
before get lock
URL: https://github.com/apache/incubator-druid/pull/6308
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git
a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskQueue.java
b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskQueue.java
index b6da853761d..253894b84bd 100644
---
a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskQueue.java
+++
b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskQueue.java
@@ -38,6 +38,7 @@
import org.apache.druid.indexing.common.task.IndexTaskUtils;
import org.apache.druid.indexing.common.task.Task;
import org.apache.druid.indexing.overlord.config.TaskQueueConfig;
+import org.apache.druid.java.util.common.StringUtils;
import org.apache.druid.java.util.common.concurrent.ScheduledExecutors;
import org.apache.druid.java.util.common.lifecycle.LifecycleStart;
import org.apache.druid.java.util.common.lifecycle.LifecycleStop;
@@ -312,6 +313,10 @@ public String apply(Task task)
*/
public boolean add(final Task task) throws EntryExistsException
{
+ if (taskStorage.getTask(task.getId()).isPresent()) {
+ throw new EntryExistsException(StringUtils.format("Task %s is already
exists", task.getId()));
+ }
+
giant.lock();
try {
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