Zookeeper Distributed installation configurationZookeeper IntroductionOverview1. Zookeeper is a Distributed , open-source Distributed Applications Coordination Services, is Google the chubby a Open Source implementation, is an important component of
Yesterday, a program needs to export 500 data, the results found that 150 is, Nginx reported 504 Gateway timeout errorIt was observed that time-outs of about 30 seconds were found, and the execution times in php.ini were 300 seconds:Copy CodeThe
Nginx + PHP-CGI (php-fpm) Web environment, suddenly found that the system load rise, top view found many php-cgi process CPU usage is close to 100%. find a CPU 100% ph... nginx + PHP-CGI (php-fpm) Web environment, suddenly found that the system load
Nginx appears 502 bad Gateway error,
The error log for Nginx has been checked:
[HTML] View plaincopy
2014/08/02 16:14:31 [ERROR] 17029#0: *17941 recv () failed (104:connection reset by peer) while reading response header fr Om upstream,
Chkconfigchkconfig is frequently used in command line operations. It allows you to conveniently set and query system services at different running levels. You can easily manage your startup services. Note: Remember that chkconfig does not
MySQL service maintenance notes (I) The following are the optimization suggestions for MySQL as a dedicated database server:
MySQL server planning
For future maintenance and convenience of upgrading backup and data security, it is best to install
Linuxchkconfig overview the Linuxchkconfig command is used to update (start or stop) and query system service running level information. Remember that chkconfig does not automatically disable or activate a service immediately, but simply changes the
The chkconfig command is used to update (start or stop) and query the running level information of the system service. Remember that chkconfig is not automatically disabled or activated immediately.
The chkconfig command is used to update (start or
The bash script is registered as a service and automatically started upon startup. the chkconfig command is used to update (start or stop) and query the running level information of the system service. Remember that chkconfig does not automatically
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In general, set the time when PHP script execution times out
One, in the php.ini inside set
max_execution_time = 1800;Second, through the PHP ini_set function set
Ini_set ("Max_execution_time", "1800");Third, through the Set_time_limit function set
PHP-FPM for performance optimization and PHP-FPM performance optimization
Brief introduction:
PHP-FPM is a PHP FastCGI manager, General Nginx above the PHP program will throw PHP program to PHP-FPM to parse. All right, that's it!
PHP 5.4 began to
WebLogic Console Forgot Password problem solving methodfacing the problem: Weblogic 10.3.2, someone else installs the Weblogic, now want to modify the next JDBC configuration, do not know the console password.Workaround: Add a new administrative
Summary of several MySQL installation methods and configuration problems, and mysql installation methods
1. Install MySQL rpm package
# Download installation source [root @ localhost src] # wget https://dev.mysql.com/get/mysql-community-release-el7-5
Php (as the current mainstream development language) error handling before 5There are three methods to handle program errors before php (as the mainstream development language) 5:1. Use the trigger_error () or die () function to generate a warning
Linux chkconfig Overview
The Linux chkconfig command is used to update (start or stop) and query the running level information of the system service. Remember that chkconfig does not automatically disable or activate a service immediately, but
The following are some experiences in using the MYSQL service, mainly from the following aspects: MYSQL service planning and design.1. versatility of MYSQL service installation/configuration;2. Easy system upgrade and data migration;3. fast backup
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