srowen commented on a change in pull request #28606:
URL: https://github.com/apache/spark/pull/28606#discussion_r429551102
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocatorBlacklistTracker.scala
##########
@@ -103,7 +103,16 @@ private[spark] class YarnAllocatorBlacklistTracker(
refreshBlacklistedNodes()
}
- def isAllNodeBlacklisted: Boolean = currentBlacklistedYarnNodes.size >=
numClusterNodes
+ def isAllNodeBlacklisted: Boolean = {
+ if (numClusterNodes <= 0) {
+ logWarn("There's no available nodes reported, please check Resource
Manager.")
+ false
+ } else if (currentBlacklistedYarnNodes.size >= numClusterNodes) {
+ true
Review comment:
if (x) true else false is redundant; just return the value of the
predicate as before.
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocatorBlacklistTracker.scala
##########
@@ -103,7 +103,16 @@ private[spark] class YarnAllocatorBlacklistTracker(
refreshBlacklistedNodes()
}
- def isAllNodeBlacklisted: Boolean = currentBlacklistedYarnNodes.size >=
numClusterNodes
+ def isAllNodeBlacklisted: Boolean = {
+ if (numClusterNodes <= 0) {
+ logWarn("There's no available nodes reported, please check Resource
Manager.")
Review comment:
"There are", or just drop the first word.
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