Talk about the start of storm supervisor

order This paper mainly studies the start-up of storm supervisor Supervisor.launch storm-core-1.2.2-sources.jar!/org/apache/storm/daemon/supervisor/Supervisor.java /** * Launch the supervisor */ public void launch() throws Exception { LOG.info("Starting Supervisor with conf {}", conf); String path = ConfigUtils ...

Posted by RobbertvanOs on Mon, 16 Dec 2019 14:04:35 -0800

Configuration and use of Supervisor

brief introduction python deployment has always been a problem, but now it's 2018, and there are many mature solutions. The most commonly used is nginx + upervisor + virtualenv + gunicorn / uwsgi. The advantage is that it is very convenient to control program start / stop / restart, especially when you have many services; but abusi ...

Posted by sri2002 on Mon, 16 Dec 2019 09:24:01 -0800

A check on timeout

Recently, some users always reported that "failure - server problem" will occur when they download large Excel from Redash, and the time from point to error prompt is almost the same. First, I checked the error log of Nginx, and it showed that upstream prematurely closed connection while sending to client. The first reaction should be ...

Posted by Crayon Violent on Tue, 10 Dec 2019 19:19:45 -0800

Start the Activity process

Preface This is Android 9.0 AOSP series Let's review the general contents of the previous articles. Pangu and Nuwa in Java World -- Zygote This paper mainly introduces the starting process of Zygote, the first Java process in Android world. Register server socket to respond to client requests Various preloading operations, classes, resources ...

Posted by Nymphetamine on Tue, 03 Dec 2019 15:47:28 -0800

Supervisor's installation and management of tomcat process under CentOS7

Before installation, please ensure that your server can access the Internet normally, and the firewall is closed. Turn off selinux 1. Supervisor installation yum install python-setuptools //Installation dependency easy_install supervisor mkdir /etc/supervisord.d/ //Create directory cd /etc/supervisord.d/ echo_supervisord_con ...

Posted by sunnypal on Sat, 30 Nov 2019 08:53:55 -0800

A tool for a long time in silence: supervisor

Note that since the supervisor cannot monitor the background program, all commands executed by the command need to be executed in the foreground, such as nginx: command = /usr/local/bin/nginx -g 'daemon off;' Talk about the benefits of this tool:Manage your process, terminate the automatic restart service process abnormallyTurn off the machine ...

Posted by nwoottonn on Fri, 29 Nov 2019 10:20:32 -0800

Docker practice - image production

Environmental Science Installation of docker, gitlab runner and runner binding with gitlab.com will not be covered in detail. Gitlab, I use gitlab.com Ubuntu runs gitlab runner and docker containers Make Dockerfile Contents of Dockerfile file The default user of RUN and COPY in this file is root USER nobody specifies that the operation com ...

Posted by pckidcomplainer on Fri, 22 Nov 2019 02:17:38 -0800

(Centos7) Supervisor installation and deployment

1.yum installation yum install epel-release yum install -y supervisor 2. Configuration fileAfter the supervisor is installed successfully, no default configuration file is provided. You can generate the initialization configuration file of the supervisor by running the echo supervisor conf program mkdir /etc/supervisor echo_supervisord_conf &g ...

Posted by Valdhor on Tue, 19 Nov 2019 12:13:26 -0800

1018: improvement of calculator (simple simulation)

Title Source: http://129.211.20.246/problem.php?id=1018 Title Description NCL is a laboratory specializing in the improvement and upgrading of calculators. Recently, the laboratory received a task entrusted by a company: it needs to add the function of solving one yuan one order equation to a certain type of calculators of t ...

Posted by kevinbarker on Tue, 19 Nov 2019 09:23:11 -0800

JavaScript Design Mode for Refining Internal Work

Sensation: Taste: Black pepper steak Cooking time: 20 min To be a good software developer, you need strong craftsmanship.When you encounter problems, find ways to solve them.Most people rely more on passion in the early stages, but need some patience in the middle and late stages. After working for a long time, it is natural to think about the ...

Posted by zeropaid on Mon, 11 Nov 2019 19:17:53 -0800