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ASF GitHub Bot commented on STORM-1336: --------------------------------------- Github user jerrypeng commented on a diff in the pull request: https://github.com/apache/storm/pull/1053#discussion_r52083814 --- Diff: storm-core/src/jvm/org/apache/storm/container/cgroup/CgroupUtils.java --- @@ -0,0 +1,133 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.storm.container.cgroup; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +public class CgroupUtils { + + private static final Logger LOG = LoggerFactory.getLogger(CgroupUtils.class); + + public static void deleteDir(String dir) { + File d = new File(dir); + if (d.exists()) { + if (d.isDirectory()) { + if (!d.delete()) { + throw new RuntimeException("Cannot delete dir " + dir); + } + } else { + throw new RuntimeException("dir " + dir + " is not a directory!"); + } + } else { + LOG.warn("dir {} does not exist!", dir); + } + } + + public static boolean fileExists(String dir) { + File file = new File(dir); + return file.exists(); + } + + public static boolean dirExists(String dir) { --- End diff -- will move to util.Utils > Evalute/Port JStorm cgroup support > ---------------------------------- > > Key: STORM-1336 > URL: https://issues.apache.org/jira/browse/STORM-1336 > Project: Apache Storm > Issue Type: New Feature > Components: storm-core > Reporter: Robert Joseph Evans > Assignee: Boyang Jerry Peng > Labels: jstorm-merger > > Supports controlling the upper limit of CPU core usage for a worker using > cgroups > Sounds like a good start, will be nice to integrate it with RAS requests too. -- This message was sent by Atlassian JIRA (v6.3.4#6332)