Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/4141#discussion_r23557845
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -192,15 +186,32 @@ private[yarn] class YarnAllocator(
}
/**
- * Request numExecutors additional containers from YARN. Visible for
testing.
+ * Update the set of container requests that we will sync with the RM
based on the number of
+ * executors we have currently running and our target number of
executors.
+ *
+ * Visible for testing.
*/
- def addResourceRequests(numExecutors: Int): Unit = {
- for (i <- 0 until numExecutors) {
- val request = new ContainerRequest(resource, null, null,
RM_REQUEST_PRIORITY)
- amClient.addContainerRequest(request)
- val nodes = request.getNodes
- val hostStr = if (nodes == null || nodes.isEmpty) "Any" else
nodes.last
- logInfo("Container request (host: %s, capability:
%s".format(hostStr, resource))
+ def updateResourceRequests(): Unit = {
--- End diff --
how about making it `private[yarn]`? will still be visible in tests
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