Label:Basic configuration you need to look at the following 3 configuration items frequently. Otherwise, it may soon be a problem. Innodb_buffer_pool_size: This is the first option you should set when you finish installing InnoDB. The buffer pool is where the data and index caches are: the larger the value, the better, which guarantees that you will The read operation is using memory instead of the hard disk. Typical values are 5-6GB (8GB memory), 20-25GB (32GB memory), 100-120GB (
unit is MB and max_connection is not a unit.Do not have duplicate configuration entries in a configuration file. If you want to track changes, use version control.Do not use naïve calculations, such as "Now my server's memory is twice times before, so I have to change all the values to twice times before."Basic ConfigurationYou need to look at the following 3 configuration items frequently. Otherwise, it may soon be a problem.Innodb_buffer_pool_size: This is the first option you should set when
not instantaneous power-down, then this function can be assured to close boldly.Configuration parameter TuningConfiguration parameter tuning in MY.CNF depends on the business, load, or hardware, requiring special adjustments in slow and fast disks, high concurrency, and write-intensive loads.Basic Configurationquery_cache_sizeQuery cache is a well-known bottleneck, even in a few concurrent cases. It's best to deactivate at first, set query_cache_size = 0, and use other methods to speed up the q
Tags: java mysqlBasic Configuration you need to look at the following 3 configuration items frequently. Otherwise, it may soon be a problem. Innodb_buffer_pool_size: This is the first option you should set when you finish installing InnoDB. The buffer pool is where the data and index caches are: the higher the value, the better, which guarantees that you will use memory instead of the hard disk for most of the read operations. Typical values are 5-6GB (8GB memory), 20-25GB (32GB memory), 100-1
keys that need to be retrieved, which means that the keyspace size does not affect performance.
Typically, you use the Mget command line to retrieve more than 100 keys at the same time, so that you can avoid network delays as much as possible, rather than doing multiple get operations in a loop.
We now have two Redis servers, using master-slave copy mode. These two nodes have the same configuration and are Xeon [email PROTECTED],128GB,SSD. T
(32GB memory), 100-120GB (128GB memory).Innodb_log_file_size: This is the size of the redo log. The redo log is used to ensure that the write operation is fast and reliable and recovers when it crashes. Until MySQL 5.1, it's hard to adjust, because on the one hand you want to make it bigger to improve performance, on the other hand you want it to be smaller to make it faster to recover after a crash. Fortunately, after MySQL 5.5, the performance of c
have to change all the values to twice times before." A. Basic Configuration You need to look at the following 3 configuration items frequently. Otherwise, it may soon be a problem. innodb_buffer_pool_size: This is the first option you should set after you install InnoDB. The buffer pool is where the data and index caches are: the higher the value, the better, which guarantees that you will use memory instead of the hard disk for most of the read operations. Typical values are 5-6GB (8GB memory
us at a less cost to install Win7 or WIN8 system will have a smooth use of the experience it?
In this regard, we will recommend the market in the last two years the more popular SSD (solid-state drive) products. Compared with the traditional mechanical hard disk, SSD uses flash memory chip as storage equipment, whether in reading speed or seismic capability has the essence of ascension, the only insufficient is at the same price, SSD capacity is much smaller than the traditional mechanical har
system, Overall performance is mainstream enough. It is to be noted that the official version of the 911-S1G solid-state hard disk capacity of 128GB, while the mechanical hard disk has 1TB mechanical hard disk, and the test model is slightly different.
Fuselage appearance
A friend who knows a little about Thor may know that the 911 series is the first masterpiece of the market of Thor, the machine at that time by virtue of personality,
equipped with the sixth generation Intel Core I processor, the highest 8GB DDR4 memory +512GB Solid-State Drive, Lenovo said, its CPU comprehensive ability to increase 50%, graphics performance increased by one times.
Price, 4GB+128GB Elite version of the sale of 4399 Yuan, 8GB+256GB Prestige edition 5499 Yuan, 8GB+512GB flagship edition sold 7499 Yuan, are presented with a value of 749 office kits, September 22 0 o'clock, Lenovo Miix 5 will officia
innovative. In addition, YOGA book has windows and Android dual operating systems optional to meet the special needs of different operating systems.
Configuration, Yoga book uses the Intel Atom x5-z8550 processor, 4GB memory, 64GB storage space (and support 128GB microSD extension), front 2 million/rear 8 million megapixel camera, integrated LTE module + 802.11 ac Wi-Fi, The 8500mAh battery can achieve a maximum of 15 hours o
interface, an HDMI interface, a RJ-45 Ethernet port, a USB3.0 interface to support the shutdown charge and a headset microphone two-in-one interface, in addition to this side can see the cooling outlet.
Hardware configuration and performance testing
This received the ThinkPad Black will S5 game this is equipped with the Intel Sixth Daicouri Product i7 6700HQ Four nuclear processor, and installs a single 8GB DDR4 memory, the hard disk is equipped with 128G
support hard disk expansion. Officials say it lasts up to 9.5 hours, charging 50% for half an hour, and pre-installed Win10 Home Edition (Simplified Chinese) system.
In addition to the 13.3-inch version, the Millet Notebook air also launched a more lightweight 12.5-inch version, the thickest only 12.9mm, all-metal fuselage weight 1.07kg, using AKG Custom speakers, Dolby Surround sound.
The Millet Notebook Air 12.5 inch Edition uses the 1080P full fitting screen, carrie
from the structural form, Matebook adopted the classic 2in1 design, with no rotating shaft soft connected keyboard as the main design mode, no fan plate and keyboard through the intelligent electronic contact between the bite, the keyboard conjoined skin through the bending way to support the screen supporting the role of the stent. Huawei Matebook is equipped with a 12-inch screen metal fuselage with a weight of only 640g and a thickness of as low as 6.9mm. The whole product looks simple, capab
.
Motherboard, a10-7890k flagship APU processor is the fm2+ interface, the best match is the a88x motherboard, this set of small and Medium-sized series recommended is gigabyte F2A88XM-DS2 motherboard, the current main board promotional price of only 399 yuan, the first line of mainstream brands, the use of solid materials, high cost performance.
Gigabyte F2A88XM-DS2 Motherboard
Other hardware aspects, the current memory and SSD prices are not cost-effective, compared to the natio
Microsoft's new Windows10 notebook, Surface Book, was presented at the WIN10 conference, and the features of the device make the user's eyes bright. However, the briefing on the basic conditions are generally not given the details of the device configuration. It should be noted that unlike previous surface Pro 3, the keyboard of the device is not sold separately but is included in the host. Now I will surface Book detailed configuration list is as follows.
Software:
WIN10 Professi
general user through a simple teaching can be started. But the "mass production tool" of the fake workshop is specially designed, and its function is very powerful. Zhangxiaochi introduced, his workshop, one day can be "production" out of "128GB" U disk more than 5,000.
2, "fake market" why can be popular
Zhangxiaochi expressed regret for the user's feedback. In his view, such products have a market, first of all because there is demand. First, not
different modes, very intuitive. And the right also designed four preset modes, in different programs can implement specific FN function key operation. such as the opening of Skype and other voice chat software, F1 will be extinguished, on both sides of the volume increase button lit, so that you can easily adjust the volume.
interface, performance, and battery life
As a 14-inch notebook, the new ThinkPad X1 Carbon still has a more comprehensive interface design, including two vid
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