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Zookeeper 日志输出到指定文件夹  

2015-07-23 17:03:19|  分类: 软件使用 |  标签: |举报 |字号 订阅

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最近在研究Zookeeper Storm Kafka, 顺便在本地搭了一套集群, 遇到了Zookeeper日志问题输出路径的问题, 发现zookeeper设置log4j.properties不能解决日志路径问题, 发现解决方案如下:

1. 修改log4j.properties, 这个大家都应该会改, 红色加粗处是我修改的, 但是改了这边还是不生效

# Define some default values that can be overridden by system properties
zookeeper.root.logger=INFO,ROLLINGFILE 
zookeeper.console.threshold=INFO
zookeeper.log.dir=.
zookeeper.log.file=zookeeper-1.log
zookeeper.log.threshold=DEBUG
zookeeper.tracelog.dir=.
zookeeper.tracelog.file=zookeeper_trace.log

#
# ZooKeeper Logging Configuration
#

# Format is "<default threshold> (, <appender>)+

# DEFAULT: console appender only
log4j.rootLogger=${zookeeper.root.logger}

# Example with rolling log file
#log4j.rootLogger=DEBUG, CONSOLE, ROLLINGFILE

# Example with rolling log file and tracing
#log4j.rootLogger=TRACE, CONSOLE, ROLLINGFILE, TRACEFILE

#
# Log INFO level and above messages to the console
#
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=${zookeeper.console.threshold}
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n

#
# Add ROLLINGFILE to rootLogger to get log file output
#    Log DEBUG level and above messages to a log file
log4j.appender.ROLLINGFILE=org.apache.log4j.DailyRollingFileAppender
log4j.appender.ROLLINGFILE.Threshold=${zookeeper.log.threshold}
log4j.appender.ROLLINGFILE.File=${zookeeper.log.dir}/${zookeeper.log.file}

# Max log file size of 10MB
#log4j.appender.ROLLINGFILE.MaxFileSize=10MB
# uncomment the next line to limit number of backup files
#log4j.appender.ROLLINGFILE.MaxBackupIndex=10

log4j.appender.ROLLINGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLINGFILE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n


#
# Add TRACEFILE to rootLogger to get log file output
#    Log DEBUG level and above messages to a log file
log4j.appender.TRACEFILE=org.apache.log4j.FileAppender
log4j.appender.TRACEFILE.Threshold=TRACE
log4j.appender.TRACEFILE.File=${zookeeper.tracelog.dir}/${zookeeper.tracelog.file}

log4j.appender.TRACEFILE.layout=org.apache.log4j.PatternLayout
### Notice we are including log4j's NDC here (%x)
log4j.appender.TRACEFILE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L][%x] - %m%n

2. 还需要改${zkhome}/bin/zkEnv.sh, 请留意红色加粗处, 这时日志已经可以成功按照你设置的目录进行输出了

#!/usr/bin/env bash

# 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.

# This script should be sourced into other zookeeper
# scripts to setup the env variables

# We use ZOOCFGDIR if defined,
# otherwise we use /etc/zookeeper
# or the conf directory that is
# a sibling of this script's directory

ZOOBINDIR="${ZOOBINDIR:-/usr/bin}"
ZOOKEEPER_PREFIX="${ZOOBINDIR}/.."

if [ "x$ZOOCFGDIR" = "x" ]
then
  if [ -e "${ZOOKEEPER_PREFIX}/conf" ]; then
  ZOOCFGDIR="$ZOOBINDIR/../conf"
  else
  ZOOCFGDIR="$ZOOBINDIR/../etc/zookeeper"
  fi
fi

if [ -f "${ZOOCFGDIR}/zookeeper-env.sh" ]; then
  . "${ZOOCFGDIR}/zookeeper-env.sh"
fi

if [ "x$ZOOCFG" = "x" ]
then
  ZOOCFG="zoo.cfg"
fi

ZOOCFG="$ZOOCFGDIR/$ZOOCFG"

if [ -f "$ZOOCFGDIR/java.env" ]
then
  . "$ZOOCFGDIR/java.env"
fi

if [ "x${ZOO_LOG_DIR}" = "x" ]
then
  ZOO_LOG_DIR="/apps/logs/zookeeper"
fi

if [ "x${ZOO_LOG4J_PROP}" = "x" ]
then
  ZOO_LOG4J_PROP="INFO,ROLLINGFILE"
fi

if [ "$JAVA_HOME" != "" ]; then
  JAVA="$JAVA_HOME/bin/java"
else
  JAVA=java
fi

#add the zoocfg dir to classpath
CLASSPATH="$ZOOCFGDIR:$CLASSPATH"

for i in "$ZOOBINDIR"/../src/java/lib/*.jar
do
  CLASSPATH="$i:$CLASSPATH"
done

#make it work in the binary package
#(use array for LIBPATH to account for spaces within wildcard expansion)
if [ -e "${ZOOKEEPER_PREFIX}"/share/zookeeper/zookeeper-*.jar ]; then
  LIBPATH=("${ZOOKEEPER_PREFIX}"/share/zookeeper/*.jar)
else
  #release tarball format
  for i in "$ZOOBINDIR"/../zookeeper-*.jar
  do
  CLASSPATH="$i:$CLASSPATH"
  done
  LIBPATH=("${ZOOBINDIR}"/../lib/*.jar)
fi

for i in "${LIBPATH[@]}"
do
  CLASSPATH="$i:$CLASSPATH"
done

#make it work for developers
for d in "$ZOOBINDIR"/../build/lib/*.jar
do
   CLASSPATH="$d:$CLASSPATH"
done

#make it work for developers
CLASSPATH="$ZOOBINDIR/../build/classes:$CLASSPATH"

case "`uname`" in
  CYGWIN*) cygwin=true ;;
  *) cygwin=false ;;
esac

if $cygwin
then
  CLASSPATH=`cygpath -wp "$CLASSPATH"`
fi

#echo "CLASSPATH=$CLASSPATH"

3. 美中不足的是在你设定的目录中, 仍会有zookeeper.out文件存在, 虽然它的size=0, 但是仍让我感到不爽.

究其原因是因为zkServer.sh会使用nohup进行zookeeper的启动, 然而nohup必然会输出一个日志文件到你设置的目录中,

相关代码如下, 需要将此处的逻辑修改掉, 就可以将zookeeper.out移除啦, 如果你不是处女座当然可以省略这一步

_ZOO_DAEMON_OUT="$ZOO_LOG_DIR/zookeeper.out"

case $1 in
start)
   echo  -n "Starting zookeeper ... "
   if [ -f "$ZOOPIDFILE" ]; then
    if kill -0 `cat "$ZOOPIDFILE"` > /dev/null 2>&1; then
      echo $command already running as process `cat "$ZOOPIDFILE"`.
      exit 0
    fi
   fi
   nohup "$JAVA" "-Dzookeeper.log.dir=${ZOO_LOG_DIR}" "-Dzookeeper.root.logger=${ZOO_LOG4J_PROP}" \
   -cp "$CLASSPATH" $JVMFLAGS $ZOOMAIN "$ZOOCFG" > "$_ZOO_DAEMON_OUT" 2>&1 < /dev/null &

到此为止, zookeeper的日志设置就到此结束, 谢谢!


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