How do I increase the maximum number of open files under CentOS Linux? How do I open more file descriptors under Linux? The ulimit command provides control over the resources available to the shell and/or to processes started by it, on systems that a…

Jeff Janes: Hi, As part of our monitoring work for our customers, we stumbled upon an issue with our customers' servers who have a wal_keep_segments setting higher than 0. We have a monitoring script that checks the number of WAL files in the pg_xlog…

  Guillaume Lelarge: Hi, As part of our monitoring work for our customers, we stumbled upon an issue with our customers' servers who have a wal_keep_segments setting higher than 0. We have a monitoring script that checks the number of WAL files in th…

Installing on RPM-based Linux (RHEL, CentOS, Fedora, openSUSE) — RabbitMQ https://www.rabbitmq.com/install-rpm.html ulimit -n 1024 Controlling System Limits on Linux RabbitMQ installations running production workloads may need system limits and kerne…

[root@localhost ~]# vi /etc/security/limits.conf # /etc/security/limits.conf # #Each line describes a limit for a user in the form: # #<domain> <type> <item> <value> # #Where: #<domain> can be: # - a user name # - a group nam…

1.INFO: Maximum number of threads (200) created for connector with address null and port 8091 说明:最大线程数错误 解决方案: 使用线程池,用较少的线程处理较多的访问,可以提高tomcat处理请求的能力.使用方式: 首先.打开/conf/server.xml,增加 <Executor name="tomcatThreadPool" namePrefix="catalina-ex…

1.INFO: Maximum number of threads (200) created for connector with address null and port 80 说明:最大线程数错误 解决方案: 使用线程池,用较少的线程处理较多的访问,可以提高tomcat处理请求的能力.使用方式: 首先.打开/conf/server.xml,增加 <Executor name="tomcatThreadPool" namePrefix="catalina-exec…

用一个普通的域帐号玩私有云的时候,遇到了如下的报错. "Your computer could not be joined to the domain. You have exceeded the maximum number of computer accounts you are allowed to create in this domain. Contact your system administrator to have this limit reset or increased.&…

InnoDB: The log sequence number in ibdata files does not matchInnoDB的:在ibdata文件的日志序列号不匹配 可能ibdata文件损坏了解决办法如下:在my.cny 的[mysqld]中加入 # Size of each log file in a log group. You should set the combined size      # of log files to about 25%-100% of your b…

1.tomcat6大并发出现:INFO: Maximum number of threads (200) created for connector with address null and port 8091 说明:最大线程数错误 解决方案:使用线程池,用较少的线程处理较多的访问,可以提高tomcat处理请求的能力.使用方式: 修改server.xml 刚开始设置一直没有起作用,原因是将和分开了 使用java自带的性监测工具http://blog.csdn.net/feihong247/ar…