postgresql performance comparison

application, I would prefer MyISAM.In addition, some people may say that you myisam can not resist too much write operation, but I can make up by the structure, say my existing database platform capacity: The total number of master and slave data in more than hundreds of T, more than 1 billion PV dynamic page per day, there are several large items are called by the data interface method is not counted into PV total, ( This includes a large project because the initial memcached was not deployed,

arePresumably in the public domain. Included are queue, stack,Reference-counted garbage collection, memory allocation, templatesAtomic algorithms and types. This code is largely untested. A local mirrorIs here. QprofSchemdes the atomic_ops library of atomic operations and data structuresUnder an MIT-style license. Only available for Linux at the moment,There are plans to support other platforms. download available here Amino concurrentBuilding BlocksProvides lock free datastructures and STM f

This article illustrates the comparison and analysis of file_get_contents and curl performance in PHP. Share to everyone for your reference. Specifically as follows: In PHP if not careful to analyze performance will find that file_get_contents and curl two have a lot in common, they can collect file open file, but if a careful

strncpy () performance difference 4 times times, snprintf () and strncpy () performance difference of about 2.5 times times. 4. Using O3 optimization of different function consumption time comparison: Copy Code code as follows: david@u1110-hp:~/wrk/tmp/cstring$ Gcc-std=c99-o3-o test_snprintf TEST_SNPRINTF.C david@u1110-hp:~/wrk/tmp/cstring$ Gc

Blog: http://elf8848.iteye.com Struts2, springmvc, and Servlet (JSP) performance comparison tests. Servlet's performance should be the best and can be used as a reference. Other tests should be aligned with it and should be referenced. As a programmer, you must have a basic understanding of the performance of each fra

and optimized the performance of Hadoop clusters deployed in virtualization and Physical Mode on the same scale. The experiment shows that the virtualized Hadoop cluster can well support the production environment.Performance Comparison between a virtualized environment and a physical environment Figure 1 shows the deployment style of the Performance Tuning Test

Label:Performance comparison test for MySQL 5.6 and MariaDB-10.0time 2013-02-14 10:11:34 Open source China Original http://www.oschina.net/question/12_90065 ThemeMariaDBOLTPTesting Technology Oracle has just released the MySQL 5.6.10 GA version, so it's time to update the previous performance test data, which includes the following versions: MySQL-5.5.29 MySQL-5.6.10 mariadb-5.5.28a Ma

frequency of the linked table lookup, Binary lookup tree and AVL tree lookup. In Figure 3.4, some of the numbers are negative because the length value of the lookup exceeds the maximum numeric representation range of type int in C, resulting in an overflow.In Figure 3.5, there is a time-consuming comparison of four algorithms, which is generated by importing the experimental data from above into MATLAB. We can intuitively see the four algorithms, the

In the project, often encounter on-machine communication between processes, commonly used inter-process communication methods generally have the following1 socket2 Unixsocket3 Shared Memory (share-memory)4 Piping (pipe)5 Message Queuing (message-queue)6 Files (file)7 message bus (e.g. ZEROMQ)8 other middleware (such as Redis, Memchache, database, etc.)If the project is simply a message delivery, the performance requirements are not high, then each of

First of all, I did not get the actual comparison results, looking for interested friends can help to complete this comparison.Benchmarksgame, offers a variety of language performance comparisons, but all for Linux under test, it's hard to compare Google with Microsoft stuff.As we all know, JSV8 has excellent performance, but the specific and IE10/11 JS engine

uses Redis storage, performance is better than tair, and support data grouping, can be based on the product ID and user ID data merge.disadvantage: the same should be developed based on a C module Nginx module, later maintenance also need a little trouble.Tair LDB and Redis's pair test Made the next Tair version of LDB and the persistent contrast test of the Redis VM form, thanks to Zong Dai configuration parameters for the LDB version confi