uptime tracker

(){# Echo $ MYSQL $ @Echo "show slave status \ G" | $ MYSQL $ @ | perl-p-e's/: \ s (. *) $/= "$1 usd/g; s/^ \ s + // g; s/^ \*. * \ * //; '> $ VAR_LOG}Function check_slave_results (){If ["$ Slave_IO_Running" = "Yes"] ["$ Slave_ SQL _Running" = "Yes"]; thenIf [$ tmp_code-ne 0] [$ Seconds_Behind_Master-gt 100]; thenCode = 2Elif [$ Seconds_Behind_Master-lt 50]; thenCode = 0ElseCode = 1FiElseCode = 2Fi}If [$ #-le 0] | ["$1" = "-h"]; thenUsageFiIf ["$1" = "-s"]; then# Echo "Check slave mode"Check_

If you want to write ruby code on your own and deploy it at any time, you can view it everywhere. The heroku domain name is unfriendly and slow in China, so I think of capistrano, so I started learning... Capistrano Https://www.evernote.com/shard/s6/sh/72a2b7c8-d531-4efc-9e16-ac82af2a92b7/e54fca8a9e7014ad87c79e7a7a5538c4 Capistrano new version installation Http://capistranorb.com/documentation/getting-started/preparing-your-application/ Http://capistranorb.com/ # Deploy in GemfileGem 'capis

Tags: showstatus; flushstatus; view current number of connections SHOWSTATUSLIKE ' thread_% '; Thread_cached: Number of threads cached thread_running: Number of threads active thread_connected: Number of threads currently connected thread_created: The number of threads that are created in total cachehitsthread_connected=showglobalstatuslikethread_ Created connections=showglobalstatuslike ' Connections '; Tch= (1- (threads_created/connections)) *100 View active connection content showprocesslist

%, creating a connection takes time and increases the number of thread_cachedQPS(query throughput per second) MyISAM engineQuestions = SHOW GLOBAL STATUS like ' Questions ';Uptime = SHOW GLOBAL STATUS like ' Uptime ';Qps=questions/uptimeTps(number of things transferred per second), that is, the number of transactions processed per second by the server, and if InnoDB is displayed, no InnoDB will be displayed

It was ant when I got in touch with my computer and used the software to download it. Then we used the BT tool. Now there are countless software downloads, however, we still need to know about the BitTorrent protocol. This is also the specification for BT seeds and BT downloads. For normal HTTP/FTP downloads, the TCP/IP protocol is used, the BitTorrent protocol is a P2P File Transfer Protocol Based on the TCP/IP protocol, which is at the application layer of the TCP/IP structure. BitTorrent also

I believe that those who have experience in Online downloads will certainly not be unaware of the BitTorrent protocol. This protocol supports what we often call "BT" downloads. Here are some basic information about this protocol. It also includes its specific working principles, hoping to let everyone know about this part. Common HTTP/FTP downloads use the TCP/IP protocol. BitTorrent is a P2P File Transfer Protocol Based on the TCP/IP protocol, it is in the application layer of the TCP/IP struct

)The audio Listener acts as a microphone-like device. It receives input from any given audio source in the scene and plays the sound through the computer speakers. For most applications, it is most interesting to attach the listener to the camera. If the audio Listener is within the reverb region (Reverb Zone) boundary, the reverb is applied to all audible sounds in the scene. (Professional Edition only) Also, the audio Effect can be applied to the listener and will be applied to all audible sou

Continue the previous chapter to organize the HDFs related configuration items Name Value Description Dfs.default.chunk.view.size 32768 The content display size for each file in the HTTP access page of Namenode, usually without setting. Dfs.datanode.du.reserved 1073741824 The amount of space reserved for each disk needs to be set up, mainly for non-HDFS files, default is not reserved, 0 bytes Dfs.name.dir

Fourth Chapter pricing AdvancedSo far, we have considered the sale of a product. But what happens when you sell several products, or several versions of a product at the same time?Version controlEach potential user has a psychological price to buy the product. To see our previous example, Belinda (bargain Buyer) and Stewart (student) will only use time Tracker 3000 for free. Willhelm pay a maximum of$, and Pat can accept a maximum price of$. Then we a

The downloading of a seed file into a magnetic link the downloading of the BT magnetic conversion tool can convert the BT seed file into a magnetic link. I believe many friends will use it. After all, the seed file already exists in the form of an attachment file, it also requires server storage and BT Tracker for downloading. Now the problem is that more and more servers are killed, and the server of the plug-in is almost finished. It is time to down

Minimal installation of linux CentOS-6.6 after fastdfs +Install necessary software yum-y install wget gcc perl mkdir ~ /Zy cd ~ /Zy install: libfastcommon download: wget https://codeload.github.com/happyfish100/libfastcommon/tar.gz/V1.0.7 unzip: tar-zxvf V1.0.7 enter the decompressed directory cd libfastcommon-1.0.7/execute the command. /make. sh. /make. sh install, so you need to create a soft link. ln-s/usr/lib64/libfastcommon. so/usr/local/lib/libfastcommon. soln-s/usr/lib64/libfastcommon. so