EN但是，如果使用此选项，容器将不再运行其默认的ENTRYPOINT或CMD命令，因为entrypoint:会覆盖默认命令。
5、客户端程序是否产生了过大的压力,比如磁盘的读写性能只有10MB/s,每个线程的读写 速度为5MB/s,那么如果读写线程数为20的话,无疑会造成IOWait过高 6、查看进程状态 ps -eo pid,user,wchan=WIDE-WCHAN-COLUMN -o s,cmd|awk ' $4 ~ /D/ {print $0}' lsof -p $pid 7、使用block_dump 代码语言:ja...
salt-master systemctl restartsalt-minion master同意接受命令如下salt基本使用salt'*'cmd.run'touch 1.txt' 命令行:cmd.runsalt'*'cmd.scriptsalt://1.sh 此脚本必须在/srv/salt目录下。不用分发到各个机器上执行state用法(相当于一个脚本模板,来传递参数) 目录:/var ...
pipe = Popen("cmd", shell=True, bufsize=bufsize, stdout=PIPE).stdout pipe = os.popen("cmd", 'w', bufsize) ==> pipe = Popen("cmd", shell=True, bufsize=bufsize, stdin=PIPE).stdin (child_stdin, child_stdout) = os.popen2("cmd", mode, bufsize) ==> p = Popen("cmd", shell=Tr...
Similarly,togetanythingotherthanNoneintheresulttuple,youneedtogivestdout=PIPEand/orstderr=PIPEtoo.NoteThedatareadisbufferedinmemory,sodonotusethismethodifthedatasizeislargeorunlimited.subprocess的两种方法：1）如果想调用之后直接阻塞到子程序调用结束：Dependingonhowyouwanttoworkyourscriptyouhavetwo...
# Use this script to test if a given TCP host/port are available # https://github.com/vishnubob/wait-for-it cmdname=$(basename$0) echoerr(){if[[$QUIET-ne1]];thenecho"$@"1>&2;fi} usage() { cat<<USAGE>&2 Usage: $cmdnamehost:port [-s] [-t timeout] [-- command args] ...
The data read is buffered in memory, so do not use this method if the data size is large or unlimited. subprocess 的两种方法: 1)如果想调用之后直接阻塞到子程序调用结束: Depending on how you want to work your script you have two options. If you want the commands to block and not do ...
If it is called in a subshell or separate utility execution environment, such as one of the following, (wait) nohup wait ... find . -exec wait ... \; it returns immediately because there is no known process IDs to wait for in those environments. Examples Example 1 Using A Script To...
A simple script to wait for other docker images to be started while using docker-compose (or Kubernetes or docker stack or whatever) - ufoscout/docker-compose-wait
When docker-compose is started (or Kubernetes or docker stack or whatever), your application will be started only when all the pairs host:port in theWAIT_HOSTSvariable are available. TheWAIT_HOSTSenvironment variable is not mandatory, if not declared, the script executes without waiting. ...