redis performance tips

, except for Type? You know, the interface is composed of itab and data pointers, the same type (interface and actual type combination) of the itab pointer is the same, nature can also be used as a key.Although performance has declined due to the introduction of a map, it has improved a lot compared to direct use of reflect. Performance optimizations using pointer type conversions, which are "very

for all blocking operations. In order to keep the reconciliation and error handling clean, we use Step to control the traffic. 7. Session liberalization LinkedIn uses the Express framework to manage Request/response cycles. Many examples of express include the following Configuration: App. use (express. session ({secret: "keyboard cat "}));By default, session data is stored in the memory, which increases the overhead of the server, especially as the number of users increases. You can use an ext

10 tips for improving Web development performance, web development With the rapid development of the network, the continuous improvement of network performance becomes the key to stand out in the yunyun App. The highly connected world means users have more stringent requirements on the network experience. If your website cannot respond quickly, or your App is del

stack Inversion 16. Off-CPU Analysis Analyze off-CPU time for each scheduled thread in the stack Perform joint analysis on similar stacks Analyze the longest and shortest time 17. TSA Method 1. measure the time of the operating system thread status for each thread that has attracted attention. For example: Execution time Running time Exchange Time Sleep Time Lock time Idle Time 2. Use appropriate tools to analyze the highest and lowest occurrence frequency events. 18. Dynamic

25 Tips and tricks for enhancing the performance of iOS Apps (intermediate) (3) 2013-04-16 14:42 broken ship House beyondvincentfont Size:T | T This article collects 25 tips and tricks for improving program performance into 3 different levels: Beginner, intermediate, and advanced. You can also click to view the introd

PHP performance optimization tips-generate highly optimized code PHP is a script language executed on the server side, which develops many well-known websites in the world, including Yahoo and Facebook. The following describes six PHP code and performance optimization techniques. 1. upgrade PHP to the latest version ??? The simplest PHP

Most Linux Server releases offer better performance than proprietary systems. However, this does not mean you can rest assured that you do not need to optimize the server performance. In fact, there are always some ways to improve performance, regardless of the operating system.This article lists five tips for improvin

You've completed your brand new app, and everything works just like a charm. Users to use your network. Everyone is happy. Then, suddenly, a big outbreak of users kills your MySQL server and your site is closed. What's the problem? How can you stop it? Here are some tips for MySQL performance optimization that will help you to help your database. Big Picture In the early stages of development, you should

, variable = [$], value = [[]]; For (i in data) { Variable.push (i); Value.push (Data[i]); }; Return (new Function (variable, fn.$)) . Apply (data, value). Join (""); }; fn.$ = fn.$ | | $ + ". Push ('" + str.replace (/\\/g, "\\\\") . replace (/[\r\t\n]/g, "") . Split (". Replace (/((^|%>) [^\t]*) '/g, "$1\r") . replace (/\t= (. *?) %>/g, "', $, '") . Split ("T"). Join ("');") . Split ("%>"). Join ($ + ". Push (") . Split ("\ r"). Join ("\ \") + "'); return" + $; Return data? fn

web| Program | skills | performance | skills | Performance This article discusses: Common myths about ASP.net performance Useful asp.net performance tips and tricks Some suggestions for processing databases in asp.net Buffering and using ASP.net for background processing Thi

This article mainly introduces to you about PHP7 how to open opcode to build a strong performance of the relevant information, the text through the sample code introduced in very detailed, to everyone's study or work has a certain reference learning value, the need for friends below with the small series to learn together Objective Bird brother said in the blog, the performance of several

possible to insert, update operation (on the update, I was a bad batch);46, as far as possible to use PHP intrinsics (but I have to find a php non-existent function, waste can write a custom function of time, experienceProblem!);47, the loop inside do not declare variables, especially large variables: objects (this does not seem to be the only thing in PHP to pay attention to it?);48, multidimensional arrays try not to loop nested assignment;49, in the case of PHP internal string manipulation f

using a thread pool for processing, it is possible to put some slow-response actions into a task group alone, thus not affecting other operations.10. Real-time monitoring to quickly solve problems and bottlenecksImplementation of real-time monitoring, you can fully grasp the operation of the system, to identify problems to solve problems, or even to identify the cause of performance bottlenecks or slow operation.For example, the following issues can

}%{request_filename}!-d Rewriterule. *%{document_root}%/index.php #RewriteRule. */index.php The last commented out rewrite configuration is not good because it will be one more time per request SyscallStat64 ("/index.php", 0xbfab4b9c) =-1 enoent (No such file or directory) three, Apache log problemWhen we test a problem, we find that if the custom log has recorded the access time and other information, there will be a lot moreStat64 ("/etc/localtime", {st_mode=s_ifreg|0644, st_size=

result is the first operation with a false value, the second operation is not performed,DECLARE v_sal number : = sal; --Use binding variable to enter salary value v_job VARCHAR2: = job; --Use binding variables to enter the job value begin IF (Check_sal (v_sal) >) and (v_job = ' sales ') --judge the execution condition then dbms_output.put _line (' Match matching and condition '); END IF; END; This code has a

are not necessarily able to eliminate current database bottlenecks.5, Database engine upgrade. An interesting new way to optimize database performance is to upgrade the database internal engine. For example, for popular MySQL and MongoDB databases, you can find a high-performance (free, open-source) version of the internal engine to replace from Tokutek. The process of replacing the database engine is tran

handshake is unavoidable, that is, every time the browser needs to use http/1.x to establish a server connection.The encrypted data that is stored on the server becomes larger, and is decoded when the user reads it after encryption.So how to deal with it?Session caching-use Ssl_session_cache to directly cache parameters that establish new SSL/TLS convergenceSession ID-/ID the identity of the specified SSL/TLS, but to establish a new connection, you can take it directly, and then avoid the tedio

Windows 2000 TCP Performance Tuning tips Carl HarrisCommunications Network servicesvirginia tech I was dismayed by the rather dismal TCP Performance in Win2000, especially for FTP up/downloads to distant sites, where the round-trip time (RTT) is nearly triple-digit. being a Unix bigot of sorts, I also found it amusing to watch my Win2000 machine dribble a downlo

8 MySQL Performance optimization skills bitsCN.com 8 MySQL Performance optimization skills You have completed your brand's new application, and everything works like a charm. To use your network. Everyone is happy. Then, suddenly, an explosive user killed your MySQL server and your website was closed. What's wrong? How can you stop it? The following are some tips