postgresql benchmark

Add gzip for benchmarkSome time ago, I used several benchmark software to optimize the performance of the server software. In view of the improvement of software performance optimization, we have made corresponding improvements to the benchmark software. Recently, the benchmark software was used again for server selection. The software is as follows: The http_

Brief introduction Over the past 1.5 years, there have been many DB2 for LUW activities in the standard TPC-C benchmarks, which are often used to test performance in an online transaction processing environment. The result is a large span, and it may be a very small number on a machine with the usual configuration, and it may be a very large number in special configurations that are rare in homes and jobs. Although the number of rows that populate the database schema may be adjusted to a certa

Tags: count updating end is the options engine share picture ptime containFirst, Benchmark testThe role of benchmark testing: Understand the performance of the current system and establish a MySQL server performance baseline (provides a super-start line for later performance optimizations) Simulate higher load than current system, find out the expansion bottleneck of system, provide reference f

This is a frequently used special character replacement function for HTML. Replace amp;, lt;, gt;, quot; and other functions with amp;, lt;, gt;, quot ;. The general practice is to use several replace functions consecutively, while Clear only uses one replace to complete the replacement. This is a frequently used function for replacing special HTML characters. functions such as , I made a benchmark on these two functions and found that the ef

Recently used to the next AB, the original written to turn out, paste it out, make a record.AB (Apache Benchmark) is Apache's own performance testing tool in Apache's Bin directory.With CMD into Apache's Bin directory, this example takes Apache under Windows as an example.C:\Program Files\apache Software foundation\apache2.2\bin>Format: AB [options] [http://]hostname[:p Ort]/pathParameters:-N requests number of requests to performThe number of request

Title: Given y, the maximum value of K ((y-1960)/10+2) > k! is satisfied.Problem-solving ideas: Through the two sides at the same time to the logarithm, to achieve the effect of power, so that the number of both sides can be stored with their own type.After taking the logarithm: 2 ((y-1960)/10+2) * Log (2) > Log (k!).Further conversions: 2 ((y-1960)/10+2) > log (k!)/log (2) = log (k)/log (2) + log (k-1)/log (2) + log (k-2)/log (2) + ... +log (1)/log (2).Due to Y The final traverse to solve K can

I'm using benchmark V1.0 to show the results of tracking, and after downloading the code, there's already a variety of tracker results on different datasets.If you want to verify the effect of your algorithm on this data set, it is actually very simple:The direct approach:First copy the code to otb_root_path/tackers/this folder, you will find that there are several algorithms in the Code folder.The second step is: to OTB_ROOT_PATH/UTIL/CONFIGTRACKERS.

ArticleDirectory I. php benchmark Implementation ideas 2. Help analysis and viewing of webpage client scripts Iii. Installation Process I. php benchmark Implementation ideas In the process of viewing redis slow query log implementation, I think this function is very useful and can help to quickly analyze the source of performance problems, so I want to implement this function for PHP.

A simple HTTP performance test toolWrk.gitA simple HTTP benchmark tool that can do a lot of basic HTTP performance testing.A good feature of wrk is that it can use a very small number of threads to press out a lot of concurrency.The reason is that it uses some operating system-specific high-performance IO mechanisms, such as SELECT, Epoll, Kqueue, and so on. In fact, it is a reusable Redis AE asynchronous event-driven framework. Specifically,

Tags: put amp RoCE process thread pts load diff rangeMySQL benchmark test (ii)--Method Purpose:The method is not as high as the higher the better. And should be good at subtraction. To Jane is a kind of wisdom, the first thing to do is to collect MySQL state data. Collected, regardless of the time period of the problem, at least you have the first time of the state data, rather than imagined to do analysis and analyze the problem. Data Simula

Tags: TPCC mysql benchmark test1.Brief IntroductionThe Tpcc-mysql output includes five business logic, five business logic that forms the entire transaction process for tpcc-mysql testing. The following are the specific examples:New-order: New OrderPayment: PaymentOrder-status: Order EnquiryDelivery: DeliveryStock-level: StockPredefined variables: To be able to clearly explain the following, first define some variables, easy to calculate and explain t

TPCC-MySQL Benchmark Test TPCC-MySQL is a benchmark testing tool developed by Percona.Download TPCC-MySQL Yum install bzr-y Bzr branch lp :~ Percona-dev/perconatools/tpcc-mysql After the download, you can see the tpcc-mysql directoryGo to the src directory under this directory and execute makeIn the upper-level directory, you can see that the tpcc_load tpcc_start command is available.If the following er

Analysis of MySQL database OLTP Benchmark Test Sysbench is an excellent benchmark testing tool that accurately simulates the I/O mode of the InnoDB disk of the MySQL database storage engine. Therefore, based on this feature of sysbench, we will use this tool to benchmark and verify MySQL database support from simple to complex transaction processing workloads. Te

Generally, the performance and timing problems of dns are caused by suspicious query results. In this case, no matter whether the dns is parsed or not, the consequences are the same. What should we do for actual problems such as long response time, timeout errors, and invalid cache? After all, these types of query responses are still possible to pass. It only requires more time. In fact, in this case, the waste of bandwidth is the real key issue. Now let's assume another situation: we must use a

I. Overview of Benckmark testing on Android devicesPerformance testing on Android devices does not yet have a recognized standard compared to PCs. There are not so many test assemblies on the PC. But we can get a better understanding of the features of the device through the information obtained by some tools, and there is no doubt that this is valuable reference information. The key to Benchmark test is how to find this standard and the powerful asse

Http://blog.sina.com.cn/s/blog_53ce9d8d0100dici.htmlhttp://www.gnutoolbox.com/linux-benchmark-tools/Superpi is a benchmark (performance testing and comparison) tool that many diyer like to use under Windows. Primarily to test CPU performance. Super-pi This program is an algorithm developed by a scholar at the University of Tokyo. It is worth mentioning that the source code is not disclosed. Although it can

Mysqlslap Introduction Mysqlslap is MySQL5.1 after the benchmark benchmark tool, similar to Apache bench load generation tool, generate schema, load data, execute Benckmark and query data, simple syntax, flexible , easy to use. The tool can simulate multiple clients concurrently issuing query updates to the server, giving performance test data and providing performance comparisons for multiple engines. Mysq

PerconaThreadPool performance benchmark test MySQL starts from 5.5.16. in the commercial MySQL version, Thread Pool is used as the plug-in to provide official function support. Later, MariaDB also implemented this function, and Percona also followed up. In the past few days, we have conducted a thread pool comparison test on Percona 5.6.16, trying to find a more suitable configuration parameter. The following is a comparison of several test modes:

-parallel 5-fetches Urls.txtThe above command means using 5 processes at the same time, random access to the site address in Urls.txt, a total of 100 visits. is to pick up the Sky star's Light cloud server test results:I can see that my small Cloud server can also access 11 pages per second. (11.3376 fetches/sec)We re-test how much access pressure is expected to withstand (a large number of user concurrency environments for a period of time)#./http_load-rate 5-seconds Urls.txtThe above command m

[Benchmark] performance ratio of redis, mongodb, and memcache. First, let me talk about the situation I used: the first memcache, used for the key-value pair relationship server side cache, used to store some commonly used data that is not very large but needs to be quickly reflected. then, let's talk about my own usage: The first memcache is used for the server-side cache of key-value pairs. it is used to store data that is not frequently used but r