linux performance tuning books

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Linux Kernel tuning Reference

For newly deployed machines, you need to do some basic tuning to change some of the default configuration performance issues1 Modifying the number of open files[Email protected]:/data/tools/db# vim/etc/security/limits.conf* Soft nofile 65535* soft nproc 65535* hard nofile 65535* hard nproc 65535[Email protected]:/d

Ultra-complete finishing! Linux Performance analysis Tools Summary Collection

This article was compiled out of interest in the Linux operating system and a strong desire for underlying knowledge. This article can also be used as an indicator of basic knowledge, and the article covers all aspects of a system. If there is no perfect computer system knowledge, network knowledge and operating system knowledge, documentation tools, is impossible to fully grasp, in addition to the system performa

Performance Optimization of lamp (Linux + Apache + MySQL + PHP) servers

processors, chipset, voodoo, and other software. It supports most of the central processors and chipset, includingIntel, AMD, and cyrix, with four built-in optimization settings, you can set the hardware you want to optimize (central processor, CD-Rom, PCI bus, hard disk, disk array), kernel (including logs, security, resources), network (including IP, TCP, core, ICMP, Unix domain routing, ARP, Token Ring), virtual file system, performance memory man

Performance Optimization of lamp (Linux + Apache + MySQL + PHP) servers

, and cyrix. It has four built-in optimization settings, you can set the hardware (central processor, CD-Rom, PCI bus, hard disk, and disk array) and kernel (including logs, security, and resources) to be optimized), network (including IP, TCP, core, ICMP, Unix domain routing, ARP, Token Ring), virtual file system, performance memory management (page allocation, high-speed cache, swap partition ). Powertweak is a powerful system

Introduction to the principle and parameters of Linux IO kernel parameter tuning

in the document describe this value as a percentage of the total memory that represents the maximum amount of cache dirty data. In fact, view the description of the source code, its true meaning is accounted for (Percentage of Memfree + cached-mapped). When this limit is reached, Pdflush will wake up to flush the dirty data to disk, and all write Io will be blocked before the dirty data is entered into the disk. So if this value is too large, a write IO peak will occur for the period, and the p

[Go] Understanding Linux Performance

Source: http://www.linuxfly.org/post/114/[Go] Understanding Linux PerformanceThe project often encounters the need to perform an efficiency analysis of the systems currently in operation, or to meet customer inquiries to optimize the efficiency of the system. More often, in the event of a system problem, you need to analyze the cause, locate the system failure or bottleneck, of course, it is best to resolve the fault together. But in fact, operating s

(turn) JVM parameter tuning under Linux

ogcmx OGC OC pgcmn pgcmx PGC PC YGC FGC65536.0 524288.0 65536.0 6528.0 6528.0 52480.0 196608.0 1572864.0 450572.0 450572.0 21248.0 131072.0 72900.0 7 2900.0 93842 16790Ngcmnminimum New Generation Capacity (KB).NGCMX Maximum New Generation Capacity (KB).NGC Current New generation capacity (KB).S0ccurrent survivor Space 0 Capacity (KB).S1C Current survivor Space 1 capacity (KB).EC Current Eden Space Capacity (KB).Ogcmnminimum old generation Capacity (KB).OGCMX Maximum old generation Capacity (KB)

Linux system tuning

panicVm.panic_on_oom = 1## # Indicates the minimum amount of free memory to force a Linux VM to keep (Kbytes)38,1 11%## for binary values, 0 are disabled, 1 is enabled. See Sysctl (8) and# sysctl.conf (5) for more details.# Controls IP Packet forwardingNet.# Auto-Restart after 30 seconds when kernel panicKernel.panic = 30## # Allow more PIDs (to reduce rollover problems); May break Some programs 32768Kernel.pid_max = 32768## # The maximum size of sha

Performance Test Training: 18 commands and tools to help you locate Linux performance issues

Poptest is the only training institute for developing Test and development engineers in China, aiming at the ability of the trainees to be competent in automated testing, performance testing and testing tools development. In Poptest's LoadRunner training, in order to improve the performance of students experience, add a lot of server optimization knowledge, for performa

LAMP server performance optimization tips: Linux host Optimization

, chipset, Voodoo, and other software. It supports most of the central processors and chipset, including Intel, AMD, and Cyrix. It has four built-in optimization settings, you can set the hardware (central processor, CD-ROM, PCI bus, hard disk, and disk array) and kernel (including logs, security, and resources) to be optimized), network (including ip, TCP, Core, ICMP, Unix domain Routing, Arp, Token Ring), virtual file system, performance memory mana

Understanding Linux Performance

The project often encounters the need to analyze the efficiency of the currently running system, or the problem of customer consultation on how to optimize the system efficiency. In more cases, when a system problem occurs, you need to analyze the cause and locate the system fault or bottleneck. Of course, it is best to solve the fault together. But in fact, operating system optimization is a very complicated problem. Moreover, Linux has its own set o

Lamp server performance optimization techniques Linux Host Optimization _linux

is automatically added to the "system tool" of the main menu, and the running interface is shown in Figure 2. Figure-2 Powertweak Performance Optimization program Powertweak software that optimizes settings for X86 architecture processors, chipsets, voodoo, and so on, supports most central processing units and chipsets, including INTEL,AMD, and Cyrix, with four built-in optimizations that allow you to configure the hardware you want to optim

How to improve socket performance on Linux

that can be read through the Cat tool or modified using the echo command. Listing 3 shows how to query or enable an adjustable parameter (in this case, IP forwarding can be enabled in the TCP/IP stack). Listing 3. Tuning: Enabling IP Forwarding in the TCP/IP stack [[Email protected]]# Cat/proc/sys/net/ipv4/ip_forward 0 [[Email protected]]# echo ' 1 ' >/poc/sys/net/ipv4/ip_forward [[Email protected]]# Cat/proc/sys/net/ipv4/ip_forward 1 [[Email protec

Improve socket performance on Linux

optimized for your environment.Solution SolutionsGnu/linux provides a number of adjustable kernel parameters that you can use to dynamically configure the operating system for your own use. Let's look at some of the more important options that affect socket performance./procThere are some adjustable kernel parameters in the virtual file system. Each file in the file system represents one or more parameters

Linux Performance Diagnosis and Optimization

LoadRunner monitors Linux: Http://www.docin.com/p-97544897.html Linux Performance OptimizationLinux Performance TuningHttp://www.linuxforums.org/articles/linux-performance-tuning_107.htmlHttp://www.softpanorama.org/Commercial_li

Improve socket performance on Linux-accelerate network applications

Article title: improve socket performance on Linux-accelerate network applications. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. When developing a socket application, the first t

[Linux] performance monitoring command vmstat and linux Command vmstat

[Linux] performance monitoring command vmstat and linux Command vmstatI. Overview Monitoring is usually divided into machine monitoring and service monitoring. Machine Monitoring is the basic monitoring to obtain the current running status of the system. service monitoring is the main purpose and the most important monitoring, machine Monitoring also exists for b

Linux Performance Tools

Brendan Gregg is currently the senior performance architect for Netflix, where he performs large-scale computer performance design, analysis, and tuning. He is the author of technical books such as "Systems performance", and has been awarded the 2013 USENIX LISA Award for hi

Linux system and performance monitoring

1.0 performance monitoring Performance Tuning is a process of finding system bottlenecks and adjusting the operating system to eliminate these bottlenecks. Many System Administrators think that performance tuning is like cooking with recipes: simply setting a few system para

Linux performance optimization 2: optimizing swap partitions

About linux performance tuning 2: optimizing swap partitions 1 of linux performance tuning: Disk partitioning policy http://www.2cto.com/os/201307/226371.html First, let's talk about what is a swap partition and its role? Swap par

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