ssd optimization tool

Document directory How do I get started? Learn more [Original] Second powerful tool for website performance optimization "yahoo yslow" Http://developer.yahoo.com/yslow/ Yahoo! Yslow Yslow analyzes Web pages and suggests ways to improve their performance based on a set of rules for High Performance Web pages. yslow is a Firefox add-on integrated with the firebug web development

When jQuery 1.5 was released, john resig said that the code optimization program was switched from Google Closure to UglifyJS. The compression effect of the new tool was very satisfactory. UglifyJS is a server node. js compression program. I tested that the compression ratio is indeed relatively high. Therefore, it is recommended to write an article. You can also try the online version of Uglifyjs:Http://sw

At the risk of being scolded, I sent it to the homepage. If I am on Mars. Ignore me ...... When jquery 1.5 was released, John resig said that the code optimization program was switched from Google closure to uglifyjs. The compression effect of the new tool was very satisfactory. Uglifyjs is a server node. js compression program. It is said to be very pornographic and violent ...... I tested that the compr

trace. Using Device Monitor Navigate to your SDK tools/directory. Run the monitor program. In the Devices tab, select the device on which to run a trace. If no devices was listed, make sure your device was connected via USB cable and that debugging was enabled on the device. Click the Systrace icon at the top of the Devices panel to configure tracing. Set The tracing options and click OK to start the trace. Graphic:First go to Ddms, t

inherited, so that the user can change the tool class things. So generally we will use Finalkeyword.Package Cn.itcast.hibernate;import Org.hibernate.session;import Org.hibernate.sessionfactory;import Org.hibernate.transaction;import Org.hibernate.cfg.configuration;public Final class Hibernateutil {private static Sessionfactory sessionfactory;private Hibernateutil () {}static{configuration cfg = new Configuration (); Cfg.configure ( ); sessionfactory

Let me talk about some other things. I hope you will be able to become a candidate for the 2013 blog star. I look forward to your vote. Thank you. Vote: Http://vote.blog.csdn.net/blogstaritem/blogstar2013/xyz_lmn Next to the question, we will refer to how to use HierarchyViewer and HierarchyViewer. Why do I use HierarchyViewer? Unreasonable layout slows down the UI performance of our application. HierarchyViewer can visually obtain information about the UI layout design structure and various a

Recently, I have been getting familiar with MySQL and it is imminent to understand how to optimize it. To do this, you must first sharpen the tool. Recently, I plan to learn about several frequently used tools to optimize MySQL. Today, I will give a brief introduction to EXPLAIN.Content navigation Id Select_type Table Type Possible_keys Key Key_len Ref Rows Extra Prepare the MySQL version in the environment: Create test table auto_increm

| 0.00003450 | Reset Query Cache |+----------+------------+--------------------------------------------------------------------+Rows in Set (0.00 sec)To view the details of a single SQL statementMysql> Show profile for query 15;+--------------------+----------+| Status | Duration |+--------------------+----------+| Starting | 0.000049 || Opening Tables | 0.000029 || System Lock | 0.000006 || init | 0.000006 || Optimizing | 0.000003 || Statistics | 0.000006 || Preparing | 0.000006 || Executing |

;Org.eclipse.wst.common.modulecore.ModuleCoreNatureNature>Natures>Comment out the partial annotation under arguments and the nature item of Org.eclipse.wst.jsdt.core.jsNature;5. Click the start and Close (startup and Shutdown) entry in the Configuration window (Windows), Preferences (Preferences), and General (generic):Remove all MyEclipse easie items and keep only the type of server you are using, such as Tomcat 7Remove MyEclipse Examples items, Equinox Provisioning .... and Automatic Updates s

, related words, variant forms (such as: add space, reverse order, typos, etc.), completely contain the keyword phrase (word order can not be reversed). Therefore, a wide range of matching can help advertisers locate more potential customers, enhance brand awareness, save a lot of program design, material writing, system settings and other operating time. Then, in the application of a wide range of search engine marketing tool, what is worth the atten

First, the function introduction: The tool for front-end automation optimization, mainly has the following functions: gyDHTML5 Chinese Learning Network-HTML5 Pioneer Learning Network compression css– (yuicompressor) JS grammar check and compression-(google-closure-compiler) jpg, PNG, GIF lossless compression – (Jpegtran, PNGOut, gifsicle) At present, only the Windows version of the

Oracle Performance Optimization performance tracking tool-beyond OCP proficient in Oracle video tutorial Training 34Course IntroductionOracle Video tutorial, wind Brother this set of Oracle Tutorial training Video Learning Address:Http://edu.51cto.com/course/course_id-8328.htmlOracle Performance optimization Statistical information management, the course content

check the Keep enumerations option, Because Ching this option causes the Java.lang.Enum to appear in the Configration file, this class is only available in a 1.5 environment. The error message is as follows:[Proguard] Note:the configuration refers to the unknown class ' Java.lang.Enum '[Proguard] Note:there were 1 references to unknown classes.[Proguard] You should check your the configuration for typos.5. When embedding an ant script, there is usually aTask.properties in Proguard.jar, reserved

,firefoxconnectivity=Lanlabel= "Test location"The complete "Wptdriver.ini" file is as follows:[webpagetest]URL=http://mine2.webpagetest.net/location=ie,test;Browser=chromeTime limit=120;Prevent browser Flash-backDebug=1;key=testkey123;automatically install and update support software (Flash, Silverlight, etc);Software=http://mine.webpagetest.net/installers/software.dat[Chrome]EXE= "C:\Program Files (x86) \google\chrome\application\chrome.exe"Options= '--load-extension= '%wptdir%\extension "--use

into a a, b, c, d replacementYUI CompressorYUI CompressorjsThe compressed content includes:移除注释移除额外的空格细微优化标识符替换（Identifier Replacement） Official github:https://github.com/yui/yuicompressor/ The machine needs Java 1.4 the above environment, so we need to download the JDK first and configure the environment.Using Yui compressor compression js and CSSCommon examples (executed in cmd) java -jar D:\yuicompressor-2.4.6\build\yuicompressor-2.4.6.jar --type js --charset UTF-8 D:\my.js -o

code. Double-click helloworld :: init () can enter the program code ,. The 33rd lines of code shown in the figure are program code leaks, which are not difficult to find out.If we want to further evaluate the memory usage, we can look at the line chart of the allocations template. We can also see the memory usage of various variables at a certain time point. The heap (HEAP) memory usage in Area 4 is because the heap memory needs to be manually released, and the stack memory does not need to be

inflate () method, which is the ID of the filled view. In this case, it is the ID of the Mapview. then take a look at how viewstub is used. 650) this.width=650; "src=" Http://183.61.143.148/group1/M00/02/11/tz2PlFQXruagwvU-AAAsJCtZNkc514.png "/>Off TopicSome students will certainly ask, use viewstub and simply to set the view to View.gone or view.visible what is the difference? Not all are shown and hidden, but using viewstub is more troublesome. There is really a difference, it will involve th

Mysql optimization tool description, mysqlexplain I. Syntax {EXPLAIN | DESCRIBE | DESC} tbl_name [col_name | wild] {EXPLAIN | DESCRIBE | DESC} [explain_type] SELECT select_options explain_type: {EXTENDED | PARTITIONS} 2. Database preparation Table 1: DROP TABLE IF EXISTS `products`;SET @saved_cs_client = @@character_set_client;SET character_set_client = utf8;CREATE TABLE `products` ( `products_id` int(1

immediate/22mlocks)[!!] InnoDB Buffer Pool/data size:4.0g/32.0g[OK] InnoDB Log waits:0--------Recommendations-----------------------------------------------------General recommendations:Run OPTIMIZE TABLE todefragment tables for better performanceReduce your overall mysqlmemory footprint for system stabilityReduce or eliminatepersistent connections to reduce connection usageIncrease table_open_cachegradually To avoid file descriptor limitsRead this beforeincreasing table_open_cache over 64:http

CheckOPEN FILES LIMITCurrent Open_files_limit = 65535 filesThe open_files_limit should typically beset to at least 2x-3xThat's Table_cache if you have heavymyisam usage.Your open_files_limit value seems to befine# variable Cache CheckTABLE CACHECurrent Table_open_cache = 4220 tablesCurrent Table_definition_cache = TablesYou has a total of tablesYou have a tables open.The Table_cache value seems to be fine# Temporary table check status checkTEMP TABLESCurrent max_heap_table_size = MCurrent tmp