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Where to findout zookeeper.log

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Expert Contributor

There is no zookeeper.log file in my culster.

[root@insightcluster130 zookeeper]# ls -lart
total 4
drwxr-xr-x.  2 zookeeper hadoop   61 Sep 21 21:32 .
drwxr-xr-x. 28 root      root   4096 Dec 18 03:45 ..
-rw-r--r--.  1 zookeeper hadoop    0 Dec 21 17:29 zookeeper-zookeeper-server-insightcluster130.out
[root@insightcluster130 zookeeper]# pwd
/var/log/zookeeper
[root@insightcluster130 zookeeper]# 

Don't know why

6 REPLIES 6

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Super Guru

by default zookeeper is configured with console appender so that all zk logs are directed to out file, you can configure zk with Rolling file or DRFA to redirect the output to log file.

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zookeeper server redirects the stderr and stdout to zookeeper.out

As mentioned above you can use ROLLINGFILE which is sent to zookeeper.log

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Expert Contributor

@Rajkumar Singh @Namit Maheshwari But my

zookeeper-zookeeper-server-insightcluster130.out

always in size 0.

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Super Guru

@Huahua Wei could you please share the output of the command

lsof -p <pid of zookeeper> |grep log

lsof -p <pid of zookeeper> | grep out

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Expert Contributor
[root@insightcluster132 ~]# lsof -i:2181 |grep LISTEN
java    202712 zookeeper   55u  IPv6 1655953390      0t0  TCP *:eforward (LISTEN)
[root@insightcluster132 ~]# lsof -p 202712 | grep log
java    202712 zookeeper  mem       REG              253,2     60686  201876302 /usr/hdp/2.5.0.0-1245/zookeeper/lib/commons-logging-1.1.1.jar
java    202712 zookeeper  mem       REG              253,2    481535  201876305 /usr/hdp/2.5.0.0-1245/zookeeper/lib/log4j-1.2.16.jar
java    202712 zookeeper  mem       REG              253,2      9753  201876322 /usr/hdp/2.5.0.0-1245/zookeeper/lib/slf4j-log4j12-1.6.1.jar
java    202712 zookeeper    1w      REG              253,3         0  134331951 /var/log/zookeeper/zookeeper-zookeeper-server-insightcluster132.out
java    202712 zookeeper    2w      REG              253,3         0  134331951 /var/log/zookeeper/zookeeper-zookeeper-server-insightcluster132.out
java    202712 zookeeper   11r      REG              253,2      9753  201876322 /usr/hdp/2.5.0.0-1245/zookeeper/lib/slf4j-log4j12-1.6.1.jar
java    202712 zookeeper   28r      REG              253,2    481535  201876305 /usr/hdp/2.5.0.0-1245/zookeeper/lib/log4j-1.2.16.jar
java    202712 zookeeper   31r      REG              253,2     60686  201876302 /usr/hdp/2.5.0.0-1245/zookeeper/lib/commons-logging-1.1.1.jar
java    202712 zookeeper   50w      REG              253,2  67108880   72403292 /usr/hadoop/zookeeper/version-2/log.12000776ce
java    202712 zookeeper   68w      REG              253,0   6096211      18135 /home/zookeeper/zookeeper.log
[root@insightcluster132 ~]# lsof -p 202712 | grep out
java    202712 zookeeper    1w      REG              253,3         0  134331951 /var/log/zookeeper/zookeeper-zookeeper-server-insightcluster132.out
java    202712 zookeeper    2w      REG              253,3         0  134331951 /var/log/zookeeper/zookeeper-zookeeper-server-insightcluster132.out
[root@insightcluster132 ~]# 

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Super Guru

@Huahua Wei lsof output suggest that your zk log location is /var/log/zookeeper/zookeeper-zookeeper-server-insightcluster132.out