Tcmalloc (thread-caching malloc) is a member of Google-perftools, an open-source tool developed by Google. Compared with the standard glibc library's malloc, tcmalloc has much higher efficiency and speed in memory allocation, which can greatly improve the performance of the MySQL server in high concurrency, reduce system load.
For the implementation principle and test report of tcmalloc, see tcmalloc: mallo
This is a creation in
Article, where the information may have evolved or changed.
OPQ
An Open sourced persistent message Queue
Code is tested under go1.4.2, higher version should be OK (CAUTION:OPQ hasn ' t been tested in production environment so far)
Features
Persistent message storage
push Model-push message to target service and block when failure
Easy-to-use-simple API whith HTTP POST method, no addtional client integrat
Cacti is an open-source network monitoring tool that monitors the status and load of hosts, it can be used to monitor the running status of servers such as Apache and MySQL.
Cacti Official Website: http://www.cacti.net/
Cacti must run in PHP, MySQL, and Apache environments. PHP is its data collection script execution environment. MySQL is used to save data. Apache is used to provide its front-end configurat
Tools: Local HelloWorld Source projectmsysgit (Windows)Lab steps : First, create a new managed project on GitHub in http:/ /github.com registered account 20159214-sunnan. Complete the registration, Go to the GitHub platform and click newrepositories to create a new project Enter project name HelloWorld Direct CreateClick the Clipboard icon in the right column to record the project address. Second, upload the project to GitHubInstall a GIT client
......Put the content you need to execute in the appropriate batch, such as the following chery.bat:Echo ================================================================Echo. \scripts\chery.batEcho this script was executed for ' Chery ' onlyecho delete/rename it if you dont need itEcho ================================================================CD C:\Program FILES\KTS\SCRIPTS\WMRFTrident.exe5, the Telnet application software should be the characte
STM32 Full data Open Source: two-wheel upright self-balancing trolley based on STM32Bi set of information--stm32 two-wheel self-balancing car system, complete data sharing out, to the needs of the people, the Forum also opened a new intelligent car Download section, all hardware and software information can be downloaded free of charge, now share some content, to the graduation of small partners of small be
Last month, Ali Open source a monitoring tool called Arthas. In the near future, I am writing a multi-threading business, so I think of a problem.If you are developing debugging natively, the IDE can see the current active thread, such as IntelliJ idea, whether the thread is running or hibernating, as debugger→threads can see. How can you see the threads running on the test server if the code is written and
This article mainly introduces the open-source Node. js application framework HapiJS. This article describes HapiJS introduction, HapiJS installation, project configuration, and development instances. For more information, see
1. Introduction to HapiJS
HapiJS is an open-source, Node-based. the js application framework
Install an open-source VPN Server on CentOS 7
One of my biggest concerns when I access the Internet is how to ensure the security and privacy of my data. While searching for answers, I found many anonymous methods, such as using a proxy website. However, third-party services cannot be fully guaranteed. What I need is a software that allows me to install and run on my own, so that I can ensure that only I c
internal or external commands. When you install Python, environment variables are not set. Add the environment variable, adding the scripts under the Python directory to the path of the environment variable. Execution Sphinx-build--version will have the relevant version information. Description Sphinx-build Available
5. Under command line, CD to the document directory that needs to be converted, and run Sphinx-build trunk HTML
6, w
Failed to try the example of spring live. At the beginning, ant reported an error, but there was no way to change the method. I took out the project practice solution: SSH-based Java Development I bought a few days ago and followed the example in it. This book is not very good. It does not provide development tools and software on its own CD. You need to download it by yourself. Today's open-
Introduction to Node. js open-source application framework HapiJS, node. jshapijs
1. Introduction to HapiJS
HapiJS is an open-source, Node-based. the js application framework is suitable for building applications and services. Its design goal is to allow developers to focus on developing reusable application business l
I have been using RedHat 9 Linux for a long time. I mentioned Ubuntu when I talked to my friends about the GTK version one day. Then we started a pleasant journey over the past few days.
The first thing to do is to get ubuntu. Unlike rh9, it is completely free. You can download it as needed or directly ask for the installation CD. The Chinese official website is as follows:Http://www.ubuntu.org.cn/I downloaded the x86 version. About MB. Then burn it.
system environment required for installation, and generate the installation configuration file. You can use the -- prefix path to execute the path of the final generated database. # Modify the path of the generated library to "/opt/opthb/work/ymm/usr/local"
[/opt/opthb/work/ymm/OpenSource/lftp-4.0.1]$ ./configure --prefix=“/opt/opthb/work/ymm/usr/local”
After the makefile of the environment is generated, the source file is compiled and the executabl
The author here takes the Osgearth document as an example, feeling this way of generating the document is better, the generated HTML document is to support the search, thanks to the dedication of open source workers. Likes a1. Download and install Python for windows:https://www.python.org/downloads/windows/2. Download and install setup tools to download easy_stall.py and run Https://pypi.python.org/pypi/set
From http://www.linuxidc.com/Linux/2015-01/111501.htmActually according to the above operation, mainly installs the gcc-4.6.2 to appear some problems, originally installs under the Cygwin, the result hint lacks 3 things, compiles gcc to fail.Under CentOS, yum-y install Mpfr-devel libmpc-devel gmp-develLater, I was prompted with an error, (I was installed under 64-bit CentOS), so I need to install glibc-devel.i686, and I may need to install libgcc.i686. RightAfter the first installation fails, do
You may be familiar with virtual machine software such as VMware and Virtual PC. Virtualbox is a virtual system software developed by innotek, a German software company. It not only has rich features, but also has excellent performance. It is even more open-source and has become a free software released under the GPL license. Virtualbox can run on Linux and Windows hosts, and supports installing windows (NT
BriefSeetaface was developed by the research group on face recognition led by Shanshi researcher of CAs. Code is implemented based on C + + and does not rely on Third-party libraries. However, the current Open-source code, compiled on Windows VS, is a hassle for our mac/linux users. After these days of study, Seetaface finally have a comprehensive understanding. Below, listen to me to explain. Note: This ar
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