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https://issues.apache.org/jira/browse/STORM-1336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138733#comment-15138733
]
ASF GitHub Bot commented on STORM-1336:
---------------------------------------
Github user abhishekagarwal87 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1053#discussion_r52289184
--- Diff: storm-core/src/jvm/org/apache/storm/container/cgroup/Device.java
---
@@ -0,0 +1,75 @@
+/**
+ * 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;
+
+/**
+ * a class that represents a device in linux
+ */
+public class Device {
+
+ public final int major;
+ public final int minor;
+
+ public Device(int major, int minor) {
+ this.major = major;
+ this.minor = minor;
+ }
+
+ public Device(String str) {
+ String[] strArgs = str.split(":");
+ this.major = Integer.valueOf(strArgs[0]);
+ this.minor = Integer.valueOf(strArgs[1]);
+ }
+
+ @Override
+ public String toString() {
--- End diff --
lot of boilerplate code can be done away with using lombok annotations.
> 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.
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