caneGuy closed pull request #23422: [SPARK-26514][CORE] Support running multi
tasks per cpu core
URL: https://github.com/apache/spark/pull/23422
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git
a/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
b/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
index 48d3630abd1f9..3f39d3a88cb8f 100644
---
a/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
+++
b/core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
@@ -218,8 +218,9 @@ private[spark] object CoarseGrainedExecutorBackend extends
Logging {
SparkHadoopUtil.get.addDelegationTokens(tokens, driverConf)
}
+ val vcores = cores * driverConf.getInt("spark.cpu.tasks", 1)
val env = SparkEnv.createExecutorEnv(
- driverConf, executorId, hostname, cores, cfg.ioEncryptionKey, isLocal
= false)
+ driverConf, executorId, hostname, vcores, cfg.ioEncryptionKey, isLocal
= false)
env.rpcEnv.setupEndpoint("Executor", new CoarseGrainedExecutorBackend(
env.rpcEnv, driverUrl, executorId, hostname, cores, userClassPath,
env))
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