can ab donate to

Open the installation path of the Apache server (I use wampserver), there is a Ab.exe executable program in the bin directory, it is the stress test tool to be introduced.Under the Windows System command line, go to the directory where the Ab.exe program is located and execute the Ab.exe program. Note the direct double-click does not work correctly.D: (Enter/enter D-Drive)　　CD Wamp\bin\apache\apache2.4.4\bin (Enter/Enter bin directory)　AB (carriage re

1. Install AB command sudo apt-get install apache2-utils 2.ab Command parameter description Usage:ab [Options] [http[s]://]hostname[:p Ort]/pathOptions are: Total requests- N requests number of requests to perform //simultaneous concurrent requests total number of requests (n) = number of concurrent (c)-C concurrency number of Multiple requests to make -N requests numb

Test instance: 1. AB Output Information Description: Server Software:web servers software and version Server Hostname: Indicates the host part name in the requested URL Server port: The listening port of the Web server being tested Document Path: Requested page path Document Length: Page size Concurrency level: concurrent numbers Time taken for tests: test Total spent Complete requests: Number of requests completed Failed requests: Th

:5failed requests:4 (connect:0, receive:0, Length: 4, exceptions:0) Write errors:0total transferred:392317 byteshtml transferred:387997 bytesrequests Per second:7.29 [#/sec] (mean) time per request:686.039 [MS] (mean) time per request:137.208 [MS] (mean, Across all concurrent requests) Transfer rate:558.46 [Kbytes/sec] receivedconnection times (ms) min MEAN[+/-SD] Median maxconnect:54 7.4, 71processing:228 100.7 475Waiting: 70 152 75.5 159 262total:284 423 103.9 463 546Percentage of

Tags: identified IP address exercises serverLab Environment:main MySQL server source installation IP address: 172.16.1.1from the primary MySQL server RPM installation IP address: 172.16.1.10install IP address from MySQL server rpm: 172.16.1.11 start configuration below:primary MySQL server:vi/etc/my.cnf[Mysqld]Log-bin=a_masterserver-id=1Authorization to 172.16.1.10 access rights Grant Replication Slave on * * to ' slave ' @ ' 172.16.1.10 ' identified by ' king123 ';from the primary MySQL server

Status\g;1. Row ***************************file:binlog.000001position:120binlog_do_db:binlog_ignore_db:Executed_gtid_set:1 row in Set (0.00 sec)"All from Library"mysql> Change Master to master_host= ' 10.142.132.52 ', master_port=3306, master_user= ' Lipengfei ', master_password= ' Lipengfei ', master_log_file= ' binlog.000001 ', master_log_pos=120;mysql> start slave;This article is from "Allen Lee Oracle" blog, please make sure to keep this source http://lipengfei666666.blog.51cto.com/6384154/

-bash-4.1# ab-c 100-n http://tripb2b.com/This is apachebench, Version 2.3 Copyright 1996 Adam Twiss, Zeus technology LTD, http://www.zeustech.net/Licensed to the Apache software Foundation, http://www.apache.org/Benchmarking tripb2b.com (Be patient)Completed requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsCompleted requestsFinished requestsServer So

using the pressure measuring tool (ab/webbench, etc.) to achieve the page pressure measurement, the need to adjust the Apache operating mode to compare the final performance. configuration file location:/etc/httpd/conf/httpd.confIf the module is loaded, implement the configuration, a conditional module loadStartservers 8// service starts several sub-processes by default at startupMinspareservers 5// minimum number of idle processesMaxspareservers// ma

With AB pressure test interface,-C 100 words quickly, 300, 500, 800 or even 1000 began to slow, 90% or 95% of time is relatively fast, that is, a small number of requests will be high-time, resulting in a low level of QPS is very bad, this is why. In addition, it's under Linux. Reply content: With AB pressure test interface,-C 100 words quickly, 300, 500, 800 or even 1000 began to slow, 90% or 95% of

My table A contains the field AB, and some of the data is reversed. How to change it for help: I have A field AB in Table A, and now some data is reversed. How can we replace the data in B to be updated to. (I will write the next one. ------ Solution ------------------ SQLcodeset @ tmp quot; up for help: I have A local field a B in Table A, and now some data is reversed. How to Change My table A contains t

I use the AB command to test a website. When -n10000 -c1000 you get 160 or so per second. When -n1000 -c100 you get 35 or so per second. When -n100 -c10 you get 5 or so per second. Look at this result a little confused, can someone analyze the actual concurrency is how much?Or how to set the parameters to get closer to the real situation. Reply content: I use the AB command to test a website.When -

Take AB pressure measured the next-n1000-c10 each write into the quantity is different. file_put_contents("a.txt","a",FILE_APPEND); ?> Reply content: Take AB pressure measured the next-n1000-c10 each write into the quantity is different. file_put_contents("a.txt","a",FILE_APPEND); ?> Because in the concurrency state, the user 1 comes in to read the a.txt is 100 characters, if 2 come

System Information used: [Root@localhost ~]# uname-alinux localhost.localdomain 3.15.4-x86_64-linode45 #1 SMP Mon Jul 7 08:42:36 EDT x86_64 x 86_64 x86_64 gnu/linux[root@localhost ~]# php-vphp 5.4.16 (CLI) (Built:aug 6 13:12:28) Copyright (c) 1997-2013 T He PHP groupzend Engine v2.4.0, Copyright (c) 1998-2013 Zend technologies[root@localhost ~]# httpd-vserver Version:apach e/2.4.6 (CentOS) Server built: Jul 14:48:00[root@localhost ~]# AB