Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/6394#discussion_r31952265
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -225,12 +243,74 @@ private[yarn] class YarnAllocator(
logInfo(s"Will request $missing executor containers, each with
${resource.getVirtualCores} " +
s"cores and ${resource.getMemory} MB memory including
$memoryOverhead MB overhead")
- for (i <- 0 until missing) {
- val request = createContainerRequest(resource)
- amClient.addContainerRequest(request)
- val nodes = request.getNodes
- val hostStr = if (nodes == null || nodes.isEmpty) "Any" else
nodes.last
- logInfo(s"Container request (host: $hostStr, capability:
$resource)")
+ // Calculated the number of executors we expected to satisfy all the
preferred locality tasks
+ val localityAwareTaskCores = localityAwarePendingTaskNum *
CPUS_PER_TASK
+ val expectedLocalityAwareContainerNum =
+ (localityAwareTaskCores + resource.getVirtualCores - 1) /
resource.getVirtualCores
+
+ // Get the all the existed and locality matched containers
--- End diff --
nit: extra "the"
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
