[jira] [Commented] (BIGTOP-1129) Cannot stop datanode through init script

[JIRA]

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https://issues.apache.org/jira/browse/BIGTOP-1129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13806629#comment-13806629
 ] 

Bruno Mahé commented on BIGTOP-1129:
------------------------------------

Tried again:
{noformat}

hdfs      1919  0.1  2.0 778104 154504 ?       Sl   Oct26   2:37 
/usr/lib/jvm/java-openjdk/bin/java -Dproc_datanode -Xmx1000m 
-Djava.net.preferIPv4Stack=true -Xmx128m -Xmx128m 
-Dhadoop.log.dir=/var/log/hadoop-hdfs 
-Dhadoop.log.file=hadoop-hdfs-datanode-ip-172-31-39-159.log 
-Dhadoop.home.dir=/usr/lib/hadoop -Dhadoop.id.str=hdfs 
-Dhadoop.root.logger=INFO,RFA -Djava.library.path=/usr/lib/hadoop/lib/native 
-Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -server 
-Dhadoop.security.logger=ERROR,RFAS -Dhadoop.security.logger=ERROR,RFAS 
-Dhadoop.security.logger=ERROR,RFAS -Dhadoop.security.logger=INFO,RFAS 
org.apache.hadoop.hdfs.server.datanode.DataNode
ec2-user  5850  0.0  0.0 103428   824 pts/0    R+   08:40   0:00 grep datanode
[ec2-user@ip-172-31-39-159 ~]$ sudo /etc/init.d/hadoop-hdfs-datanode status
Hadoop datanode is running                                 [  OK  ]
[ec2-user@ip-172-31-39-159 ~]$ sudo /etc/init.d/hadoop-hdfs-datanode stop
Stopping Hadoop datanode:                                  [  OK  ]
no datanode to stop
[ec2-user@ip-172-31-39-159 ~]$ sudo /etc/init.d/hadoop-hdfs-datanode status
Hadoop datanode is not running                             [FAILED]
[ec2-user@ip-172-31-39-159 ~]$ ps auxww | grep datanode
flume     1428  0.0  0.0 100944   568 ?        S    Oct27   0:00 tail -F 
/var/log/hadoop-hdfs/hadoop-hdfs-datanode-ip-172-31-39-159.log
hdfs      1919  0.1  2.0 778104 154504 ?       Sl   Oct26   2:37 
/usr/lib/jvm/java-openjdk/bin/java -Dproc_datanode -Xmx1000m 
-Djava.net.preferIPv4Stack=true -Xmx128m -Xmx128m 
-Dhadoop.log.dir=/var/log/hadoop-hdfs 
-Dhadoop.log.file=hadoop-hdfs-datanode-ip-172-31-39-159.log 
-Dhadoop.home.dir=/usr/lib/hadoop -Dhadoop.id.str=hdfs 
-Dhadoop.root.logger=INFO,RFA -Djava.library.path=/usr/lib/hadoop/lib/native 
-Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -server 
-Dhadoop.security.logger=ERROR,RFAS -Dhadoop.security.logger=ERROR,RFAS 
-Dhadoop.security.logger=ERROR,RFAS -Dhadoop.security.logger=INFO,RFAS 
org.apache.hadoop.hdfs.server.datanode.DataNode
ec2-user  5992  0.0  0.0 103428   828 pts/0    S+   08:40   0:00 grep datanode
{noformat}

> Cannot stop datanode through init script
> ----------------------------------------
>
>                 Key: BIGTOP-1129
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-1129
>             Project: Bigtop
>          Issue Type: Bug
>          Components: Init scripts
>    Affects Versions: 0.7.0
>         Environment: Centos
>            Reporter: Bruno Mahé
>
> {noformat}sudo /etc/init.d/hadoop-hdfs-datanode stop{noformat}
> When starting the datanode, I do see a correct pid file in 
> /var/run/hadoop-hdfs/hadoop-hdfs-datanode.pid but whenever I call the stop 
> command, the pid file disappear while the process still exists.



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