disc defragmentation

Android custom control-like Youku disc menu, android Disc Respect the author's Labor achievements. Indicate the author's Labor achievementsHttp://blog.csdn.net/allen315410/article/details/39232535 Recently, I learned how to write custom controls on a document. The above example uses the client of early Youku versions, the menu of this client is a custom component (the current version is not clear, but it

If you are a Linux user, you may hear that Linux file systems do not require defragmentation. You may also notice that the Linux distribution does not have the ability to defragment the disk. What is this for?To understand why Linux file systems do not fragment like Windows ' file systems, you first need to understand how fragments are generated, and how the file systems of these two operating systems work differently.　　What is disk fragmentation?Many

Windows 7 with simple design, fast operation of the operating system quickly occupied the market, but you have not found that in the system running for a long time, the rapid operation of the Win7 also seems to be bored in general, the speed slowly down. The reason, most likely is that the computer in the fragmentation of the hard drive running speed down. The Windows operating system has the ability to defragment the disk, but it is only the impression that the previous Windows operating syste

Disk defragmentation is an operation that we often use when we operate a computer. Disk defragmentation is the removal of disk-fragmented files by cleaning up the disk's junk files to free up more disk space and faster disk speed. Now most people are using the Win7 system, where is the disk Cleanup of the Win7 system? How do I clean up disk fragments? Now go with the little ones to see where the Win7 Disk C

oracle| Data | Database defragmentation http://www.computerworld.com.cn (2001-05-14 11:15:01) We know that Oracle, as a large database, is widely used in finance, post and telecommunications, Electricity, civil aviation and other The data throughput is huge, and the computer network is widely popular in the important department. For system administrators, how to To ensure the stable operation of the network, how to improve the database performance, ma

RedHatEnterpriseLinux4U5 integrates a DVD Disc-Linux general technology-Linux technology and application information. For more information, see the following. For reference only, you can now download Prepare the image files of five CDs! RHEL4-U5-i386-AS-disc1.iso RHEL4-U5-i386-AS-disc2.iso RHEL4-U5-i386-AS-disc3.iso 4. iso 5. iso Tool used: UltraISO 1. Use UltraISO to open the image file RHEL4-U5-i386-AS-disc1.iso for the first

MSCOMCTL.OXL is a public ActiveX plug-in control module.Workaround:1. Download the MSCOMCTL.OXL plug-in control module first.2. Copy the extracted Mscomctl.ocx to the specified place--32-bit system: Copy to C:\Windows\system32--64-bit system: Copy to C:\Windows\SysWOW643. Open Run (window+c), enter inside--32-bit: regsvr32%windir%\system32\mscomctl.ocx--64-bit: regsvr32%windir%\syswow64\mscomctl.ocx4. If the following error occurs: The permission issue may be. In the settings: Start-Programs-att

method of Win7 system using defragmentation to solve disk failure problem The specific methods are as follows: 1, the failure of the situation you will often encounter, similar to the self-test; 2, click the Start menu to select All Programs; 3, click the Attachment menu bar, select the inside of the System tool column; 4, click the Disk Defragmenter program to open the program; 5, find the disk yo

For older players, the word "Disk Defragmenter" must be a stranger. As a built-in windows for the hard disk and other storage devices to defragment the tool, to some extent, reduce the hard disk miscellaneous files piled up, speeding up the speed of disk operation, thereby enhancing the overall speed of the computer. This promotion for some poor performance, the use of mechanical hard disk of the old host, is still particularly valuable. However, to the solid state hard drive happy enclosure, t

exists in the array Key--Get the key name from the associative array Krsort--Reverse order of array by key name Ksort--sorting arrays by key name List--assigns the values in the array to some variables Natcasesort--Using the "natural sort" algorithm to sort the case-insensitive letters of an array Natsort--Using the "natural sort" algorithm to sort the arrays next--Move the inner pointer in the array forward one POS--The alias of current () prev--Returns the internal pointer of the array back t

1, what is the use of disk defragmentation, then we first understand what disk fragmentation, the disk is like a large warehouse, which has many many rooms, and our files are like goods, may download 2 movies today, occupy 2 rooms, and delete one, only occupy a room, in download a very big game, The game will be empty room full use, such a complete game file in order to separate a film in the space, repeated deletion of the download on the formation o

paging:After paging:And when paging, if the new page and the current page are physically discontinuous, it can also cause external fragmentationImpact of internal fragments and external fragmentation on query performanceThe impact of external fragmentation on performance as stated above, it is mainly due to the need for more cross-region scanning, resulting in more IO operations.Internal fragmentation can cause data rows to spread across more pages, aggravating the scanned page tree and reducin

Optimize table statement to defragment the demo table just now.Defragmenting the demo tableThen we'll check the demo again. MyD file, we will find the demo at this time. The size of the MyD file has been reduced to about 3/5 of the original.Defragment the demo after the defragmentation. Size of the MyD fileNote: 1.MySQL It is recommended that you do not defragment regularly (hourly or daily), usually on a weekly or monthly basis, depending on the act

1. When defragmenting the disk, "Disk Defragmenter detects that CHKDSK is scheduled to run on Volume: Data (E:), run Chkdsk/f", in which case the defragmentation is not allowed. 2, open My Computer, right-click on the appropriate partition, find the properties, and then click Disk Cleanup. Then tick the two items and click OK. 3, but the situation has not been resolved, once again found in the attribute tool, and

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For large DBMS systems like Sybase, the cornerstone of an OLTP (online transaction processing) application is that it needs to run uninterrupted 365 days a day, 24 hours a year. Because of the large number of inserts, updates, deletes and so on of the database on a daily basis, the storage fragmentation is generated on the physical storage media of the database, which affects the efficiency of the storage and the speed at which the database application runs. Can you defragment these fragments, j

How does the Win7 system turn off the automatic defragmentation service? This article mainly introduces the Win7 system as the column, tells the manual turn off the computer automatic defragmentation service The tutorial, needs the friend to turn off the automatic defragmentation service under the reference. 1, click on the Windows Start icon, click on the Contr

When we are in the WINDOWS10 system because of the continuous downloading and deletion of the job, the disk slowly appear in the so-called "fragmentation", time is long, will cause the disk's access efficiency will decline. At this point, we can use the system with the "disk defragmentation" function to detect maintenance! So how do you use disk defragmentation in the WIN10 system? The following small serie

The vast majority of computer users are using the Windows system, we all know that when the computer is slow to use, one of the ways is disk defragmentation, but in the Linux system, there is no disk defragmentation of this feature, why do not need disk defragmentation Linux? This is because Linux and Windows file systems work differently.

Content feed: The presence of the Hiberfil.sys file will make the system unable to complete a full defragmentation of the disk, this article describes how to delete the Hiberfil.sys file before defragmenting. Many Windows XP users are now accustomed to using the system-provided hibernate function, because this eliminates the time of the switch and can be restored directly to the original working state each time it is turned on, such as an article tha