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Zhang Hua posted: 2016-03-23Copyright Notice: Can be reproduced arbitrarily, please be sure to use hyperlinks in the form of the original source of the article and the author's information and this copyright notice(http://blog.csdn.net/quqi99)ordinary hard disk does not really delete data from the hard disk, only the operating system marked for deletion, the next direct overwrite write, but SSD physical overwrite write is very slow (for

Disk defragmentation is the Disk Cleanup optimization tool with Windows, when the computer does not install other optimization software, you can directly use Disk Cleanup to solve the miscellaneous files in the hard drive, to ensure the life of the hard disk, but also to improve the operating efficiency of the computer machine. But in the Win7 system, there are many partners want to know that SSD solid-state hard disk cleaning? Here is a small weave t

perhaps SSD (solid state Drive) compared to the mechanical hard drive, the speed rise is really fierce, the computer boot to enter the system from the minute to the full turn into seconds reading time. In fact, the benefits of SSDs is not only in the speed of change, if only hundreds of yuan investment in exchange for these, it is too young! SSD structure is relatively simple, there is no rotating disc, ma

analyzed. Locate the possible cause of the problem and try to make the following adjustments on the 24 master database: After the above adjustments, I/O became stable and there was no larger fluctuation. For the sake of insurance, project A decided to use an SSD-equipped model to migrate the master database, and migrate the 24 slave database 27. After the migration is completed, the SSD and MySQL InnoDB pa

Introduction Another good feature in SQL Server 2014 is that SSD can be virtualized into a portion of the memory for the SQL server data page buffer. By using SSD to expand the buffer-pool, a large number of random iops can be carried by SSD, thus greatly reducing random iops and page-out for data pages. SSD as buf

How to choose mechanical hard disk and SSD The giants of the tide we all see in the eyes of pain in the heart, after all, they are accompanied us through a lot of years old brand. And for consumers, in the end should buy large-capacity mobile hard disk products good or fast technology strong (mobile) solid-state drives good? Why did the traditional mechanical hard disk "fall"? Perhaps for most of the computer users who do not have acc

This article is for reading book next Generation Databases:nosql, Newsql, and Big Data Chapter 7th: The End of Disk? SSD and In-memory databases notes.The disk is dead?Bill Gates said in 1981: 640K of memory should is enough for anybody. In 2001, he realized that the previous statement was wrong: I ' ve said some stupid things and some wrong things, but not that. Since the birth of the first database, database experts have

Attribute SSD (solid state drive) HDD (hard disk drive) Power draw/battery life(Power Consumption/battery life) Less power draw, averages 2-3 Watts, resulting in 30 + minute battery boost√(Less power consumption, with an average of 2-3 Watts, resulting in 30-minute battery boost) More power draw, averages 6-7 Watts and therefore uses more battery(More power consumption, with an average of 6-7 Watts, so more batteries are used)

, but also reduces efficiency, so it is imperative to increase the capacity of a single sector. 4 K not alignedWhat is SSD?Solid State Storage Technology, referred to as SSD. there are two types: SSD based on flash memory: flash memory is used as the storage medium, which is also a common SSD, such as the usb flash dis

1. The master chip is the core of SSD and determines the performance and stability. Mainly include Intel, JMF, Samsung, Indilloud, among which intel and Samsung are the leader, indilloud is the new expensive, and JMF is mainly oriented to low-end markets. 2. the cache chip assists the master chip in data processing to improve and stabilize performance. Some low-end products will save the cache dram chip for cost reasons. 3. NAND Flash chips mainly inc

SSD paper Reading (Wei liu--"ECCV2016" SSD single Shot Multibox Detector)Directory Author Reasons for the selection of articles Method Summary Method details Related Background supplement Experimental results Comparison with related articles Summarize authorreasons for the selection of articles Good performance, single stage Method Summary Int

SSDs are different from traditional disks in organizational form, with the concept of sector, cylinder, and disk. SSD Flash storage is completely different and SSDs are made up of Page,block,plane,die.The Linux kernel considers SSDs as a block device, and a block device like a disk model. The FTL inside the SSD hides the relationship of the SSD Page,block,plane,d

Failure phenomenon: The Windows 8 Index is a low-level service in Windows that specializes in providing fast searching for files, documents, and e-mail. In addition to creating a set of indexed data on the hard disk for the first run, Indexing Service starts every time a file changes or a new file is added, which is why many friends are complaining that their computer often finds the main reason for the hard drive (and there are other other things that can drive the hard drives). Reason Analys

Simple Optimization of SSD hard drive on Ubuntu 1. Set the correct mounting option and enable TRIM. After Linux is installed, this is very important. To maintain long-term stability and speed, SSD needs to enable TRIM, which enables SSD to truly erase the materials marked on the chip during non-peak read/write times. This example is based on the ext4 system. For

Use the DD command in Linux to test the read/write speed of USB and SSD hard disks.Disk Drive Speed The disk drive speed is measured by the amount of read/write data per unit of time. The DD command is a simple command line tool that can read and write any data block on the disk and measure the read/write speed. In this article, we will use the DD command to test the reading and writing speed of USB and SSD

　　Key points for using SSD SSD usage basically does not need to optimize, only the following several places need to note: 1, on the AMD series of Chip motherboards, Intel's SSD performance may be reduced, so you can choose the third party company's products. 2, the Win7 system will be shut off can save a large part of the hard disk space. 3, virtual memory, 4

ArticleDirectory Crystaldiskmark: Atto disk benchmark: HD tune Pro: Crystaldiskinfo: As SSD benchmark: After purchasing hard drives, SSDS, USB flash drives, storage cards, and other devices, we all want to fully understand their performance, especially the disk read/write speed. Or, after the device is installed, you also want to test whether the read/write speed of the hard disk meets the manufacturer's nominal value. In

Main reference HTTPS://GITHUB.COM/WEILIU89/CAFFE/TREE/SSD get SSD code, download complete with a Caffe folder git clone https://github.com/weiliu89/caffe.git cd caffe git Checkout SSDGo to the downloaded Caffe directory and copy the configuration file CD Caffe CP Makefile.config.example Makefile.config Compiling Caffe Make all-j8 //-j16 according to the processor configuration of this machine, 16 is the

Let's look at the difference between SSD and traditional mechanical hard drives. The following figure can be seen, the traditional mechanical hard disk by the disc, magnetic head, rotating shaft, control motor and other parts, working disc rotation, magnetic head positioning in the disc at the designated location for reading and writing operations, in a sense and the structure of the old phonograph similar. The advantages of traditional hard disk are

1. BackgroundWhen doing a vsan experiment, you need at least one SSD disk as the read/write cache. If there is no SSD disk, we need to mark the normal HDD disk as SSD. Parameters need to be modified.2. StepsThe first step: Find the ID of the disk that needs to be modified to SSD: Red is the ID of the disk as follows[Em