bbu extras

Commercial Territory (http://blog.csdn.net/omni360/)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Business Domain-this blog focuses on Agile development and mobile and IoT device research: Data visualization, Golang, HTML5, WEBGL, three. JS, Otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation. I was just beginning to learn, a lot of things are definitely wrong and please fo

Commercial Territory (http://blog.csdn.net/omni360/)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Business Domain-this blog focuses on Agile development and mobile and IoT device research: Data visualization, Golang, HTML5, WEBGL, three. JS, Otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation. I was just beginning to learn, a lot of things are definitely wrong and please fo

Commercial Territory (http://blog.csdn.net/omni360/)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Business Domain-this blog focuses on Agile development and mobile and IoT device research: Data visualization, Golang, HTML5, WEBGL, three. JS, Otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation. I was just beginning to learn, a lot of things are definitely wrong and please fo

Commercial Territory (http://blog.csdn.net/omni360/)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Business Domain-this blog focuses on Agile development and mobile and IoT device research: Data visualization, Golang, HTML5, WEBGL, three. JS, Otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation. I was just beginning to learn, a lot of things are definitely wrong and please fo

Three. js source code annotation (18th) extras/geometries/BoxGeometry. js, three. jsgeometries Wuji (http://blog.csdn.net/omni360) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS. Otherwise, the post from this blog will not be reprinted or

Three. js source code annotation (19th) extras/geometries/CircleGeometry. js, three. jsgeometries Wuji (http://blog.csdn.net/omni360) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS. Otherwise, the post from this blog will not be reprinted

Three. js source code annotation (719th) extras/geometries/TorusGeometry. js, three. jsgeometries Wuji (http://blog.csdn.net/omni360) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS. Otherwise, the post from this blog will not be reprinted

Tags: useful protection div How to periodically avoid unit database monitoring Problem background Description: Execute SQL statements in MySQL, such as insert, thief slow, obviously may be just a row of data inserted, the amount of data is very small, but the time spent is many, why? First, storage structure analysis MySQL storage structure diagram: Analytical: 1. Read operation: memory read-->cache cache read-disk physical read The data that is read is sent back in the order above. 2. Write op

function is not available: Adapter 0: Get BBU Status Failed. FW error description: The required hardware component is not present. Exit Code: 0x22View the current RAID card Cache Policy MegaCli64 -LDinfo -Lall -aAll Default Cache Policy: WriteThrough, ReadAheadNone, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAheadNone, Direct, No Write Cache if Bad

Slow Mysql storage write speed analysis, slow mysql write speedProblem background description: Execute SQL statements in MySQL, such as insert, which is slow and may be just a row of data insertion. The data volume is small, but it takes a lot of time. Why?I. Storage Structure AnalysisMySQL storage structure:Resolution:1. Read operation: Memory read --> cache read --> Disk Physical readThe data read will be sent back in the above Order.2. write operation: the memory data is directly written to t

cache, the write policy, the read policy, the size of the stripe (STRIPE size), which are the key factors. RAID policy 1. Turn on write back to increase write efficiency by 2. Turn on bad Bbu write back by default, if the RAID card battery is broken, the RAID card will automatically switch the write back to the write Through, this time the I/O will be slow to open the bad Bbu write back case,

Tags: mysqlFirst, storage structure analysisMySQL storage structure diagram:650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/1113510/201707/ 1113510-20170712202708806-1058637424.png "width=" 680 "height=" 451 "style=" margin:0px;padding:0px;border:0px; "/ >Analytical:1. Read operation: Memory read-->cache cache read-disk physical readThe data that is read is sent back in the order above.2. Write operation: Memory data is written directly to the cache cache (very fast)--write diskTh

protection function:Adapter 0:get BBU Status Failed.FW Error Description:The required hardware component is not present.Exit code:0x22View current RAID Card cache policyMegacli64-ldinfo-lall-aallDefault Cache Policy:writethrough, Readaheadnone, Direct, No Write cache if bad BBUCurrent Cache Policy:writethrough, Readaheadnone, Direct, No Write cache if bad BBUThe first part:WriteBack: Write Cache policyWritethrough: Write directly to disk, do not appl

protection function:Adapter 0:get BBU Status Failed.FW Error Description:The required hardware component is not present.Exit code:0x22View current RAID Card cache policyMegacli64-ldinfo-lall-aallDefault Cache Policy:writethrough, Readaheadnone, Direct, No Write cache if bad BBUCurrent Cache Policy:writethrough, Readaheadnone, Direct, No Write cache if bad BBUThe first part:WriteBack: Write Cache policyWritethrough: Write directly to disk, do not appl

yum makecache fastDocker Offload:To view older version information:[[emailprotected] kubelet.service.d]# Docker--versiondocker version 1.13.1, build 6e3bb8e/1.13.1[[email Protected] kubelet.service.d]# Yum List installed | grep dockerdocker.x86_64 2:1.13.1-74.git6e3bb8e.el7.centos @extras docker-client.x86_64 2:1.13.1-74.git6e3bb8e.el7.centos @extras docker-client-latest.x86_64 1.13.1-58.git8

-gpg-key-centos-5 #packages used / produced in the builds but not released [Addons] name = centos- $ releasever-addons-huanqiu.com baseurl = http: //192.168.21.188/centos/$releasever/addons/$basearch/ #mirrorlist = http: //mirrorlist.centos.org/? release = $ releasever arch = $ basearch repo = addons Gpgcheck = 1 Gpgkey = http: //192.168.21.188/centos/rpm-gpg-key-centos-5 #additional packages that useful [Extras] name = centos- $ releasever-

_ 64 x86_64 OS Version: CentOS release 6.4 (Final) Time Zone: Asia/Ho_Chi_Minh + 0700 Char Set: en_US Memory: 4 memories, total size is 32768 MB, Speed: 1600 MHz, Type: DDR3 CPU info: Intel (R) Xeon (R) CPU E5-2609 v2 @ 2.50 GHz, 2*4 core, cache size 10240 KB Swap Info: 7999 MB, vm. swappiness = 0 Disk Capacity:/dev/sda: 584.7 GB Raid Info: PERC rj10 Mini, 512 MB cache, BBU, FW21.2.0-0007 RAID1, strip 64 KB, 4*2 disks/span Current Cache Policy: Write

8090 to 8099 or other Connector port= "8099" Start and stop Tomcat server: in/usr/local/ Confluence/bin found in start-confluence.sh and stop-confluence.sh two boot files, start or stop connect mysql At/etc/my.cnf in [mysqld] add NBSP ;character-set-server=utf8 collation-server=utf8_bin Creating a databaseCREATE DATABASE confluence CHARACTER SET UTF8 COLLATE utf8_bin;GRANT all privileges the confluence.* to ' confluenceuser ' @ ' localhost ' identified by ' conf

Download the VLC-android source code and compile it successfully. For more information, see VLC-android compilation process. 1. Compile live555 in the contrib directory Modify ~ /Code/VLC-android/extras/contrib distro. Mak added. Live ALL:. zlib \ . A52. MPEG2. Mad. Ogg. Vorbis. vorbisenc. theora \ . FLAC. speex. faad. Lame. FFMPEG \ . Twolame \ . PNG. dvbpsi \ . DCA. Kate. Live The terminal executes the following command:Cd vlc

(optimized from the bottom to the top)First, the storage layer optimization:Use RAID 1+0, do not use RAID 5/or RAID 6RAID disks use Mind 8 disks as a set of LUNs.Avoid running the database server disables Liunx soft LVM. (Severe impact on performance)The array card is equipped with the cache and the Bbu module as the base support for the write cacheNote: The BBU: Is the power supply module for the array car