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https://github.com/tiennm99/zfoo.git
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godotg
323 lines
13 KiB
Bash
323 lines
13 KiB
Bash
#!/bin/bash
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# 服务器部署脚本，这个脚本封装了常用部署操作，不是一定要使用的
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# 注：
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# /deploy.sh脚本包括了，启动服务器，优雅停止服务器，更新程序文件，重新启动服务器，对应四个命令：start|stop|update|stopUpdateStart。
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# 其中stopUpdateStart会按照顺序执行，stop，update，start命令。
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# doc:
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# usage 1:
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# sh deploy.sh start /usr/local/tank/single-boot/single-boot-1.0.jar /usr/local/tank/single-boot
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# start启动服务器，绝对路径很重要，[/usr/local/tank/single-boot/single-boot-1.0.jar]是jar包的绝对路径，[/usr/local/tank/single-boot]是日志的输出的绝对路径
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# usage 2:
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# sh deploy.sh stop single
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# stop关闭服务器，会使用jps | grep single，抓取需要关闭的java进程，所以不需要输入single-boot的全名
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# 如果你有两个名称为[single-boot1.jar]，[single-boot2]的启动程序，则会把这两个都关闭
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# usage 3:
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# sh deploy.sh update /usr/local/tank/single-boot/single-boot-1.0.jar
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# update更新jar包，默认会使用根路径[/single-boot-1.0.jar]下的jar包去更新[/usr/local/tank/single-boot/single-boot-1.0.jar]的jar包
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# 此种方式jar必须放在 / 根目录(最上层的目录，不是root目录，不要弄错了)，非常重要，因为默认使用根路径的jar取更新你指定位置的jar
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# usage 4:
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# sh deploy.sh stopUpdateStart /usr/local/tank/single-boot/single-boot-1.0.jar /usr/local/tank/single-boot
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# stopUpdateStart，按顺序执行命令stop，update，start，三合一的命令，因为有个update，所以必须把你的jar放在根目录（非常重要）
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# stop的是[single-boot-1.0.jar]，会分割字符串[/usr/local/tank/single-boot/single-boot-1.0.jar]获取到最后的分号后的名称
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# update的是[/usr/local/tank/single-boot/single-boot-1.0.jar]，所以必须把jar放在 / 根目录(最上层的目录，不是root目录，不要弄错了)，非常重要
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# start同[usage 1]
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# 相关参数命令
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# java -XX:+PrintFlagsInitial，查看jvm全部参数的默认值
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#
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# @author godotg
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# @version 3.0
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if [ $# -lt 1 ]; then
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echo "deploy.sh脚本使用错误，命令参数不合法"
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echo "usage: sh deploy.sh start|stop|update|stopUpdateStart"
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exit 1
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fi
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command=${1}
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# 为了避免一些部署的异常，每次执行脚本都更新一下环境变量
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source /etc/profile
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function waitAllProcessesExit() {
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while true; do
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local runningProcesses
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runningProcesses=$(jps -lvm | grep ${1})
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if [ -n "${runningProcesses}" ]; then
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echo "正在关闭以下Java进程${1}："
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echo "${runningProcesses}"
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sleep 3
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else
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echo "已正常关闭所有${1}进程"
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return
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fi
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done
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}
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function waitInfoLog() {
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local infoLog
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while true; do
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infoLog=$(ls ./log | grep info)
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if [ -z "${infoLog}" ]; then
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echo "正在等待info.log创建"
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sleep 1
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else
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return
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fi
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done
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}
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# 停止所有进程,不包括login
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function stop() {
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echo "########################## Ⅰ stop ##########################"
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local pids
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pids=$(jps | grep ${1} | awk '{print $1}' | paste -d " " -s)
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if [ -z "${pids}" ]; then
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echo "没有找到任何包含${1}关键字的Java进程"
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return
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fi
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echo "************************** cpu **************************"
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uptime
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echo "注："
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echo "uptime查看cpu的负载情况，load avarage分别是1分钟，5分钟，15分钟内系统的load值"
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echo "一般load值不大于3，我们就认为它的负载是正常的，大于了3就要想办法降低系统的负载"
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echo "************************** 内存 **************************"
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free -m
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echo "注："
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echo "free查看内存的使用情况，重点关注swap内存使用，swap大表示物理内存不够用，这时候容易导致OOM异常"
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echo "************************** 磁盘 **************************"
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df -h
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echo "注："
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echo "df查看磁盘的使用情况，应该特别关注日志和数据库的挂载路径的使用情况"
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echo "************************** 网络 **************************"
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sar -n DEV 1 2
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echo "注："
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echo "sar查看网络的使用情况，可以通过网络设备的吞吐量，判断网络设备是否已经饱和。"
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echo "**************************系统日志**************************"
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dmesg | tail -n 20
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echo "注："
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echo "df查看系统日志的最后20行，主要看有没有严重的系统问题"
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echo "**************************jmap实例**************************"
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for pid in ${pids}; do
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echo "${pid}->进程的class实例数量前20信息"
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jmap -histo ${pid} | head -n 20
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echo -e "\n"
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done
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echo "********************开始执行终止Java进程命令********************"
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echo "kill -15 $pids"
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kill -15 ${pids}
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waitAllProcessesExit ${1}
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}
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# 更新jar包
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function update() {
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echo "######################### Ⅱ update ########################"
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local jarPath=${1}
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if [ -z "${jarPath}" ]; then
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echo "需要被更新的jar路径不能为空"
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echo "usage: sh deploy.sh update jarPath"
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exit 1
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fi
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local jarFilePath=${jarPath%/*}
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local jarName=${jarPath##*/}
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# echo ${jarFilePath}
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# echo ${jarName}
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echo "更新之前源文件和目标文件信息:"
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local fileInfo=$(ls -lh "/${jarName}")
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echo "${fileInfo}"
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if [ -f "${jarPath}" ]; then
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fileInfo=$(ls -lh ${jarPath})
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echo "${fileInfo}"
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fi
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echo -e "\n\n"
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rm -rf ${jarPath}
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mkdir -p ${jarFilePath}
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cp "/${jarName}" ${jarFilePath}
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echo "更新之后源文件和目标文件信息:"
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fileInfo=$(ls -lh "/${jarName}")
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echo "${fileInfo}"
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fileInfo=$(ls -lh ${jarPath})
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echo "${fileInfo}"
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}
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# 启动一个java进程，必须指定jar路径和jar名称
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# -n为notEmpty，-z为empty
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function start() {
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echo "######################### Ⅲ start #########################"
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local jarPath=${1}
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local logPath=${2}
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if [ -z "${jarPath}" ]; then
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echo "参数错误：启动的jar包名称不能为空"
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echo "usage: sh deploy.sh start jarPath logPath"
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exit 1
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fi
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if [ -z "${logPath}" ]; then
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echo "参数错误：启动的日志路径不能为空"
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echo "usage: sh deploy.sh start jarPath logPath"
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exit 1
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fi
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mkdir -p "${logPath}/log"
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cd ${logPath}
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local currentPath
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currentPath=$(pwd)
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echo "pwd当前的运行路径：${currentPath}"
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if [ ! -f "${jarPath}" ]; then
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echo "文件不存在：启动的jar包不存在，请检查jar的路径格式是否是绝对路径"
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echo "usage: sh deploy.sh start jarAbsPath logPath"
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exit 1
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fi
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# -XX:+AlwaysPreTouch，并置零内存页面，可能令得启动时慢上一点，但后面访问时会更流畅，比如页面会连续分配
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# 输出到文件 >> output.log 2>&1 &
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nohup java -XX:InitialHeapSize=1g -XX:MaxHeapSize=1g -XX:MaxMetaspaceSize=256m -XX:AutoBoxCacheMax=20000 -XX:+UseStringDeduplication -XX:+HeapDumpOnOutOfMemoryError -Djdk.attach.allowAttachSelf=true -Dspring.profiles.active=pro -Dfile.encoding=UTF-8 -jar ${jarPath} >/dev/null 2>&1 &
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# 如果没有info的log，则一直等待
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waitInfoLog
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if [ -z "${3}" ]; then
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tailf log/info.log
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else
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sleep 4
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local jarName=${jarPath##*/}
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local runningProcesses
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runningProcesses=$(jps -lvm | grep ${jarName})
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echo "**************************jps信息**************************"
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echo "${runningProcesses}"
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sleep 4
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echo "************************jstat编译统计信息************************"
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local pids
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pids=$(jps | grep ${jarName} | awk '{print $1}' | paste -d " " -s)
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for pid in ${pids}; do
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echo "${pid}->进程的编译统计信息"
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jstat -compiler ${pid}
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echo -e "\n"
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done
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sleep 6
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echo "**************************启动日志**************************"
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tail -n 40 log/info.log
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exit 0
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fi
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}
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function stopUpdateStart() {
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local jarPath=${1}
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local logPath=${2}
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if [ -z "${jarPath}" ]; then
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echo "启动的路径不能为空"
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echo "usage: sh deploy.sh start jarPath logPath"
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exit 1
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fi
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if [ -z "${logPath}" ]; then
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echo "启动的jar包名称不能为空"
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echo "usage: sh deploy.sh start jarPath logPath"
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exit 1
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fi
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echo "开始按顺序执行任务： stop -> update -> start"
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echo -e "\n\n"
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local jarFilePath=${jarPath%/*}
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local jarName=${jarPath##*/}
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# 先停止
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stop ${jarName}
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echo
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echo
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echo
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# 再更新
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update ${jarPath}
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echo
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echo
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echo
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# 最后启动
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start ${jarPath} ${logPath} ${3}
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}
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# Linux性能调优
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function optimizeLinux() {
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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echo "性能调优预留方法"
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}
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# 立即执行调优
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optimizeLinux
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case ${command} in
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"start")
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start ${2} ${3}
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;;
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"stop")
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stop ${2}
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;;
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"update")
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update ${2}
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;;
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"stopUpdateStart")
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stopUpdateStart ${2} ${3} ${4}
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;;
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*)
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echo "命令无法识别: ${1}"
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echo "usage: sh deploy.sh start|stop|udpate|stopUpdateStart"
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;;
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esac
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exit 0
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