Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6082#discussion_r30179120
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala ---
@@ -331,14 +334,25 @@ private[spark] class ApplicationMaster(
finish(FinalApplicationStatus.FAILED,
ApplicationMaster.EXIT_REPORTER_FAILURE, "Exception was
thrown " +
s"${failureCount} time(s) from Reporter thread.")
-
} else {
logWarning(s"Reporter thread fails ${failureCount} time(s)
in a row.", e)
}
}
}
try {
- Thread.sleep(interval)
+ val numPendingAllocate = allocator.getNumPendingAllocate
+ if (numPendingAllocate > 0) {
+ currentAllocationInterval =
+ math.min(heartbeatInterval,currentAllocationInterval * 2)
+ logDebug(s"Number of pending allocations is
${numPendingAllocate}. " +
+ "Sleeping for " + currentAllocationInterval)
+ Thread.sleep(currentAllocationInterval)
+ } else {
+ logDebug(s"Number of pending allocations is
${numPendingAllocate}. " +
+ "Sleeping for " + heartbeatInterval)
--- End diff --
nit: use interpolation in both lines.
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