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From GitBox <...@apache.org>
Subject [GitHub] [fluo-muchos] keith-turner commented on a change in pull request #270: Support Accumulo installs on Microsoft Azure
Date Mon, 12 Aug 2019 16:17:53 GMT
keith-turner commented on a change in pull request #270: Support Accumulo installs on Microsoft
Azure
URL: https://github.com/apache/fluo-muchos/pull/270#discussion_r312999701
 
 

 ##########
 File path: ansible/roles/hadoop/tasks/start-dn.yml
 ##########
 @@ -0,0 +1,25 @@
+#
+### 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.
+###
+##
+- name: Check if DataNode is running
+  shell: jps | grep " DataNode" | grep -v grep
 
 Review comment:
   In the past I have found jps can be unreliable because it depends on files in `/tmp/` that
system processes may delete.  Not sure if this is still the case.

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