fios optimizer

Many small dishes that have just started linux and like Centos won't compile Zend Optimizer. Here I will teach you how to yum install Zend Optimizer. Haha, thank you ~!First enter and run: wget-q-O-http://www.linuxidc.com/system/systemfiles/2010/12/atomic.sh | shThen run the command: yum install php-zend-optimizer!First, you need to download the RPM Repository of

As we all know, the drivers on the computer, like other files on the system, can be compromised and run out of control, perhaps to reinstall or upgrade the driver. In daily life, before we reinstall the operating system, we may not be able to find a NIC or modem driver, fearing that the network device could not be installed. Now it's easy, and Windows tuning Guru provides the ability to drive smart backups. Here, let's look at how Windows Optimizer Ma

　　 Some time ago with a blog several test pages to try the use of Google Website optimizer to do A/b test, after this time to collect some test data, thank you for your help click. In fact, always wanted to introduce Google this site Contrast experiment optimization tools, completely free and easy to operate, and in the near future, independent of Google Website Optimizer will disappear, this pie

relies on the external query. Query-4 Explain select * from people where ID in (SELECT ID from people where zipcode = 100000 Union Select ID from People whe Re zipcode = 200000); The Query-4 select ID from people where ZipCode = 200000 Select_type is DEPENDENT UNION. You may be surprised that this statement does not depend on external queries. Here, incidentally, the MySQL optimizer optimizes the in operator, and the

Install Zend OptimizerYou can use the official EXE, zendextensionmanager. dll and Optimizer-3.3.0/php-5.2.x/zendoptimizer. dll can be extracted and placed in a Zend folder, put the location, directly configure PHP. ini. 1. Assume that the file is installed in the D:/Wamp/Zend directory.2. Modify PHP. ini and add the following lines at the end of PHP. ini. [Zend]Zend_optimizer.optimization_level = 15Zend_optimizer.encoder_loader = 0Zend_extensio

Wamp Install Zend Optimizer always problem!!!! All right, guys, help me look at all the problems I've been having in the last one weeks. First I installed the WAMP server Then because the page shows Zend Optimizer not installed I'm going to install Zendoptimizer. But it always appears. Your Apache Web server is not installed as Windows service. You should start it manually. Note:you must start Apache m

1. Download an object: Http://downloads.zend.com/optimizer/3.3.9/ZendOptimizer-3.3.9-linux-glibc23-i386.tar.gz (32 bits) Http://downloads.zend.com/optimizer/3.3.9/ZendOptimizer-3.3.9-linux-glibc23-x86_64.tar.gz (64 bits) 2. Decompress Decompress the package and copy zendoptimizer. So under the ZendOptimizer-3.3.9-linux-glibc23-x86_64/data/5_rjx_comp directory to a directory, such as/usr/local/Zend/lib/

First, let's look at a picture: The optimizer generates an execution plan based on statistical information. Specifically, it generates an execution plan based on the estimated number of rows returned by the physical operator (physical operator, The optimizer does not know the actual data distribution in advance, so the accuracy of the statistical information directly determines the advantages and disadvan

Database 11g Enterprise Edition Release 11.2.0.3.0-Production PL/SQL Release 11.2.0.3.0-Production CORE 11.2.0.3.0 Production TNS for Linux: Version 11.2.0.3.0-Production NLSRTL Version 11.2.0.3.0-Production The CBO optimizer component is used by default. SQL> show parameter optimizer NAME TYPE VALUE ----------------------------------------------------------------------------- Optimizer_mode string ALL_

1. Rule-Based Optimization (RBO) When analyzing SQL statements, the optimizer follows Oracle's predefined rules and is not sensitive to Data. It uses only a small amount of information to determine the execution plan of an SQL statement, including: 1) SQL statement itself 2) Basic information about tables, views, and indexes involved in SQL 3) Information in the data dictionary of the local database (remote database data dictionary information is inva

Wamp Install Zend Optimizer always problem!!!! All right, guys, help me look at all the problems I've been having in the last one weeks. First I installed the WAMP server Then because the page shows Zend Optimizer not installed I'm going to install Zendoptimizer. But it always appears. Your Apache Web server is not installed as Windows service. You should start it manually. Note:you must start Apache m

Label:Original: SQL Server optimizer features-dynamic retrievalSome time ago I wrote the article SQL Server implicit conversion caused by lying gun deadlock in some friends commented back said that in the SQL2008R2 test did not appear deadlock, their own measurement is true, so to everyone to bring the doubts expressed sorry, I'll explain the reason here. Review: The cause of the deadlock in SQL2012 has been explained, because the table scan caused

realtime lights and shadow and the number of point lights to conserve system resources)7, in lighting Set object filter renderers set static object appropriate scale Inlightmap size (terrain is 1 or more building obstacles 0.5-1 trees and stones and other small obstacles 0.1-0.5)8, in lighting set object filter lights All realtime light source hidden all bake light source open execution build wait for the completion of the reading bar do not operate on the scene9. When build is complete, turn a

CPUWorker_connections 4096; Each subprocess processes 4,096 requests==========================压缩设置Vim/usr/local/nginx/conf/nginx.confgzip on;Gzip_buffers 4 64k;Gzip_http_version 1.1;Gzip_comp_level 2;Gzip_min_length 1k;Gzip_vary on;Gzip_types text/plain text/javascript application/x-javascript text/css text/xmlApplication/xml Applicatin/xml+rss;Turn on gzip compressionCompress 4 packets per package 64kIdentify the HTTP protocol version, which defaults to 1.1The compression level of gzip is 2Com

Logmessagestoerrorlog ( Default) --syslog-tag=tagpass -t "Mysqld-tag" to ' logger ' --flush-caches Flushandpurgebuffers/cachesbefore startingtheserver-- Numa-interleaverunmysqldwithits memoryinterleaved Nbsp;onallnumanodesallother optionsarepassedtothemysqldprogram.mysql[[emailprotected]~]#mysqld_safe--helpusage:/usr/bin/mysqld_safe [options]--no-defaults don ' treadthesystemdefaultsfile--defaults-file=file usethespecifieddefaultsfile-- defaults-extra-file=filealsousedefaultsfromthespecifiedfi

Label:Select X.ksppinm Name, Y.KSPPSTVL value, y.ksppstdf IsDefault, decode (Bitand (Y.KSPPSTVF, 7), 1, ' MODIFIED ', 4, ' System_mod ', ' false ') Ismod, decode (Bitand (Y.KSPPSTVF, 2), 2, ' TRUE ', ' false ' ) Isadj from Sys.x$ksppi x, SYS.X$KSPPCV y where x.inst_id = Userenv (' Instance ') and y.inst_id = Userenv (' Instance ') and x.indx = Y.indx and x.ksppinm like '%opt% 'Oracle Vie

100;Sql_buffer_result forcing the use of temporary tableswhen the data in the result set of our query is relatively long, we can Sql_buffer_result. option forces the result set to be placed in a temporary table so that you can quickly release MySQL the table lock ( so that other SQL statements can be queried for these records. ) And can provide a large recordset for the client for a long time. SELECT Sql_buffer_result * from Field1 WHERE field1=1Sql_big_result and sql_small_result grouping usin

Tags: des style blog http ar io color using SPToday, senior boss has a good article. It was a bit confusing for me to take this opportunity to learn.Just use the high-boss script. You need to go directly to him to find it, here is saved.Plus query optimization tag before and after comparisonYou can see that grantedmemory is 504928KB, about 213096/1024=208.101562MB (the value here seems to be different every time, but the gap is not too big.) Does not affect the effect)After you add the trace fla

Tags: cannot string ike law how to quote like lost color1. If multiple columns are indexed, follow the leftmost prefix rule, which refers to the query starting at the leftmost top of the index and not skipping the columns in the index.2. Do not do any operations on the index (compute, function, (automatic or manual) type conversion), will cause index loss and turn to full table scan.3. The storage engine cannot use the columns to the right of the range criteria in the index. (the column index af

GROUP by Table_schema;Tab size and sortSelect table_name as "Tables",Round (((data_length + index_length)/1024/1024), 2) "Size in MB"From INFORMATION_SCHEMA. TABLESWHERE table_schema = ' Zabbix 'ORDER by (data_length + index_length) DESC;Use Zabbix;TRUNCATE TABLE history;Optimize table history;TRUNCATE TABLE history_str;TRUNCATE TABLE history_uint;**********************************************************************#!/bin/bash# Author:zhipeng Wang.# Last MODIFIED:2014/6/2User= "Root"Passwd= "W