Ngone51 commented on a change in pull request #25047: [WIP][SPARK-27371][CORE]
Support GPU-aware resources scheduling in Standalone
URL: https://github.com/apache/spark/pull/25047#discussion_r309298397
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File path: core/src/main/scala/org/apache/spark/util/Utils.scala
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@@ -2547,6 +2567,27 @@ private[spark] object Utils extends Logging {
new File(path.getAbsolutePath + "." + UUID.randomUUID())
}
+ /**
+ * Given a process id, return true if the process is still running.
+ */
+ def isProcessRunning(pid: Int): Boolean = {
+ val process = executeCommand(Seq("kill", "-0", pid.toString))
+ process.waitFor(10, TimeUnit.SECONDS)
+ process.exitValue() == 0
+ }
+
+ /**
+ * Returns the pid of this JVM process.
+ */
+ def getProcessId: Int = {
+ try {
+ getProcessName().split("@")(0).toInt
Review comment:
Yeah, check the format is really what we could do against the malformed
process name at least.
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