defrag ssd

Recently, I bought two SSD hard disks and mounted them to the database. I put the virtual memory and temp tablespace and a controlfile on them. I hope to improve the efficiency of the database by taking advantage of the fast I/O feature of the SSD hard disk. after two weeks of running in the test environment, I moved to the formal environment. At noon today (3rd days), I received a call from my colleagues w

When a traditional outward scaling method becomes popular for MySQL, let's see what we have to expand (cheap memory? Quick storage? Better power supply efficiency ?) It will become very interesting. There are indeed many options here-I may encounter a customer using the Fushion-IO card every week. However, I saw an interesting option for them-they chose to buy an SSD and they could still read many pages per second (at this time, I would rather choose

When we run the SSD TensorFlow version, the following issues occur, and the command I run is: dataset_dir=voc2012/ output_dir=tfrecords python tf_convert_data.py \ --dataset_name=pascalvoc \ --dataset_dir=${dataset_dir} \ --output_name=voc_2012_train \ --output_dir=${output_dir} Through Baidu is not found GitHub above the issues above the answer, I am here to solve the problem to write out, hoping to help you play

Tags: SAS XFS SSDAn OLTP performance comparison test was previously done: SAS vs SSD various modes MySQL TPCC OLTP comparison test results, this time to do the OLAP comparison test.The comparison test results are shown below:650) this.width=650; "Src=" http://dp.imysql.com:8080/files/upload_yejr_imysql/SAS_VS_SSD_MySQL_OLAP_benchmarking _20121225.jpg "style=" border:0px; "alt=" sas_vs_ssd_mysql_olap_benchmarking_20121 "/>The corresponding performance

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

similar structure, u disk can be used as a solid-state hard disk? Now u disk prices continue to slide, the 8GB u disk most also sell to fifty or sixty Yuan, 16GB USB drive is more than 100 blocks full of streets, this and thousands of dollars of solid state drives, compared to the formation of a very large contrast. From a structural point of view, U disk and SSD have many similar places. First of all, as stored data tools, they use flash as a storag

System migration to SSD solid State hard Drive tutorial SSD Solid State hard disk installation system In fact, there is a very simple way, after the partition assistant upgrade 5.5, once again updated and enhanced this feature, open the latest version of the Professional edition of the partition assistant, run. Click the "Migrate OS to SSD/HDD" feature on the l

Background:ThinkPad X250 Open, shutdown slow unbearable, start Samsung SSD 850 EVO solid state hard drive. Process:According to the ThinkPad Disassembly guide dismantling machine, but after the solid state drive installed, with the U-disk system, installed a win7,32 bit ghost version. Problem:The hard drive is not recognized by the laptop, blue screen. Debugging:(1) According to the views of netizens, modify the BIOS set hard disk mode, still can n

The approximate process is translated according to the GitHub tutorial HTTPS://GITHUB.COM/WEILIU89/CAFFE/TREE/SSD, and the pro-test is feasible1, in the home directory, get the SSD code, download completed there is a Caffe folder git clone https://github.com/weiliu89/caffe.git cd caffe git Checkout SSD 2. Go to the downloaded Caffe directory and copy the confi

Last October, Apple updated the latest Mac Mini, the new Mac Mini is still a very attractive device for some consumers seeking micro-desktop devices, but its 5400-turn mechanical hard drive has been a lot of user spit slots in SSD-SSD king today, The disadvantage of a mechanical hard drive restricts the user experience of Mac Mini, but don't worry. Today, the small series to bring you a netizen to provide 2

Lenovo T430 install SSD with msata InterfaceI. Get to know about mSATA SSD and 2.5 inch SSDCurrently, SSD hasMSATA SSDAnd2.5 inch SSDSSD.1. mSATA SSD is connected using the mSATA interface, which is small in size and suitable for the installation of laptops with the mSATA interface. Many new computers now have mSATA in

Accelerate MySQL index query using an SSD Hard Disk For more information, see: http://www.javaarch.net/jiagoushi/index.htm If the data volume is large and the SSD capacity is not large, you can save the index data to the SSD to store the table data on the old hard disk. So how can MySQL build index on SSD and use in

I finally installed UbuntuKylin13.04 on the SSD. It was very difficult! It is recommended that you install it using USB live. The speed is very fast. The actual measurement is 128 gb ssd + 8 GB memory. The installation is completed in about 8 minutes during online download. Step 1: Disable the ext4 log function Note: The system mount can not disable the log function, so you need to use the installation of t

Use an ssd hard disk to accelerate mysql index query. If the data volume is large but the ssd capacity is not large, you can consider storing the index data on the ssd, store the table data on the old hard disk. So how can mysql build index on ssd and use index data on ssd?

SSD interface is diverse, the mainstream SATA3.0 interface most common, the recent very hot M.2/PCI-E interface, once extremely the SSD most loves to use the mSATA interface, now has appeared a u.2 interface, must pedal m.2, replaces Sata, becomes the future SSD mainstream choice? What exactly is the U.2 interface? Today's SS