Fork CCR checkpoint listeners on CCR thread pool (#53265)

jasontedor · web-flow · commit 277664244ed7 · 2020-03-09T08:54:53.000-04:00
This commit moves the global checkpoint listeners used in CCR to the CCR
thread pool. This removes the last use of the listener thread pool in
the codebase.
diff --git a/x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/ShardChangesAction.java b/x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/ShardChangesAction.java
@@ -395,7 +395,7 @@ protected void asyncShardOperation(
 
                         @Override
                         public Executor executor() {
-                            return threadPool.executor(ThreadPool.Names.LISTENER);
+                            return threadPool.executor(Ccr.CCR_THREAD_POOL_NAME);
                         }
 
                         @Override

Original file line number	Diff line number	Diff line change
`@@ -395,7 +395,7 @@ protected void asyncShardOperation(`
`395`	`395`
`396`	`396`	`@Override`
`397`	`397`	`public Executor executor() {`
`398`		`- return threadPool.executor(ThreadPool.Names.LISTENER);`
	`398`	`+ return threadPool.executor(Ccr.CCR_THREAD_POOL_NAME);`
`399`	`399`	`}`
`400`	`400`
`401`	`401`	`@Override`