64gb lrdimm

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Mysql server The way to adjust performance after default installation _mysql

a large number of reads and no application-level caching. Don't set it too large, because it costs a lot to maintain it, which can cause MySQL to slow down. usually set to 32-512MB. After setting up, it's best to track for a while to see if it's working well. Under certain load pressure, if the cache hit rate is too low, enable it. Note: As and you can be are global variables. These variables depend in hardware and mix of storage engines, while each session variables are typically workload . I

Windows Server 2008/2008 R2 version Memory support overview

Windows Server 2008 Maximum memory limit: Windows Server 2008 x86 Windows Server 2008 Standard Edition, supports maximum 4GB memory Windows Server 2008 Enterprise Edition, supports maximum 64GB memory Windows Server 2008 Datacenter Edition, supports maximum 64GB memory Windows Server 2008 x64 with or without Hyper-V role Enable Windows Server 2008 Standard Edition, supports maximum 32GB memory Windows Ser

Linux Swap partition partition Setup tutorial

What is a swap partition Swap area is considered as part of memory, but it is divided from the hard disk, it is like the virtual memory under Windows, its role is to cache data, divided it, the size of your physical memory size of twice times. Set up swap swap partitions Size allocation recommendation for swap partitions Less than 4GB memory, recommended not less than 2GB of swap space; Memory 4GB~16GB, recommend not less than 4GB of swap space; Memory 16GB~

Millet 5 renamed Millet 4 Plus is it true? Millet is also a follower of the iphone

friends for Millet 4 and Apple 6 PLU difference is not very clear, the following unified small set for everyone to introduce this two models of related configuration parameters, do not understand a look at it! Millet 4: Millet 4 uses a top-level configuration. Equipped with Gaotong 8,014 nuclear processor, the frequency of 2.5GHz. 3GB RAM runs memory, 16/64GB storage space. Equipped with 5-inch 1080P resolution Sharp and

Provide more memory for SQL Server

the maximum supported memory capacity of Windows Server 2003 and other hardware support information for later reference. Windows Server 2003 R2 Standard Edition Up to 4 processors, Max 4GB of RAM Windows Server 2003 R2 Enterprise Edition Up to 8 processors, x86 architecture Max 64GB memory, x64 architecture Max 2TB Memory Windows Server 2003 R2 Datacenter Edition x86 architecture up to 32 multiprocessor, Max 128GB memory, x64 architecture up to

MySQL 5.6 Initial Configuration tuning

Original link: What to tune in MySQL 5.6 after installationOriginal date: September 17, 2013Translation Date: June 01, 2014Translators: AnchorWith the improvement of a large number of default options , MySQL 5.6 has significantly fewer options than the previous version needs tuning. In this article I will describe the configuration items that need to be optimized.InnoDB Settings innodb_buffer_pool_size --The default value is 128M. This is the primary optimization option because it specifie

Spark Memory parameter tuning

Spark executors:theApplication Master,Which is a non-executor container with the special capability of requesting containers from YARN, takes up resources of it s own that must is budgeted in. Inyarn-clientmode, it defaults to a 1024MB and one vcore.inyarn-clustermode, the Application Master runs the driver, so it's often useful to bolster their resources with THENBSP;--DRIVER-MEMORYNBSP;ANDN Bsp;--driver-coresproperties. Running executors with too much memory often results in excessive garbage

Easily build billions of web sites per week with HAProxy, PHP, Redis and MySQL

. Disadvantages:-system administrators have a greater amount of work-because the service is based on its own architecture, the system administrator needs to be more concerned about the architecture.-Maintain backward compatibility-there are countless changes to the API approach during one year of maintenance. The problem is that these changes must not compromise backwards compatibility, or the code for each front-end site needs to be modified, and the programmer will work when all the sites are

About Oracle Database server Swap What is the recommended value for this setting

RAM2), when RAM is 2-16GB, swap size is recommended equal to RAM size3), Ram greater than 16GB, swap size recommended 16GB4, large memory environment swap size configuration recommendationsDue to the rapid decline in memory prices, the current production system server memory 256GB, 512GB is no surprise, the author recommends 16-64gb physical memory, swap and physical memory "equivalent" size, larger than 64GB

ORA-01688 tablespace cannot be expanded

* Row 3 has an error: ORA-01144: file size (12800000 blocks) exceeds the maximum number of 4194303 Blocks Select value from v $ parameter where; /**** FIX 1: Specify a smaller file size. The maximum file size is Db_block_size * 4194303 For example, if db_block_size is 2kB then maximum file size is limited To 2 k * 4194303, 8 Gb-2 k. FIX 2: Change db_block_size. This can only be done by recreating Database. Db_block_size Maximum data file size ----------------------------------- 2kb 8Gb-2kb 4k

Aoson mini5 MT6592 Octa Core 1.7GHz 2G 16G Android 4.4 13MP Camera GPS 7.9 Inch 2048*1536 Tablet PC

Product DescriptionAoson Mini5 android Phablet 2GB RAM 16GB ROM IPS FHD screen 3G Smartphone Android 4.4 Octa Core Phone call Tablet PCHighligts:CPU: MTK6592 Octa core;Metal body, made by CNC, Unibody with Aviation aluminum;7.9 inch capacitive FHD screen 2048x1536pix with OGS technology, Anti-fingerprint;Dual camera, front 5MP; Back 13MP. Large Aperture, F2.2;Ultra slim body, only 6.9mm;Large capacity battery: 5000mAh; 5G Wifi, high internet speed.2GB DDR3 RAM/16GB Nand Flash,WCDMA/GSM Phone

Maximum number of threads allowed in the Windows operating system (thread stack reserved for 1M space) (56 Windows blogs worth a look)

Maximum number of threads that can be allowed in the Windows operating systemBy default, a thread's stack is reserved for 1M of memory spaceWhile the memory space available in a process is only 2 G, it is theoretically possible to open up to 2048 threads in a processBut of course the memory is not completely taken as a thread stack, so the actual number is smaller than this value.You can also change the default stack size by connecting, and make it smaller so that you can open more threads.If yo

C # Multi-threaded automatic management (thread pool) task-based approach

program is also designed for multithreaded programs, and it provides some useful atomic manipulation. atomic operation: In a multithreaded program, if the thread calls this operation to modify a variable, the other thread cannot modify the variable, which is essentially the same as the lock keyword. Maximum number of threads that can be allowed in the Windows operating systemBy default, a thread's stack is reserved for 1M of memory spaceWhile the memory space available in a process is only 2 G,

Jiurl document-linux virtual memory and paging mechanism (x86-64 bit) (i)

actual virtual address size of the X86-64 CPU is 48 bits (low 48 bits in 64 bits, high 16 bits are not used for address translation), addressing the 256TB address space. X86-64 the actual physical address size of the CPU, different CPUs are not the same, but the maximum is not more than 52 bits. The actual virtual address length and actual physical address length of the CPU can be queried through the machine instruction Cpuid. For example, I queried two computers, the size of the virtual addres

How has Ubuntu performance changed over the past two years?

Ubuntu is an outstanding Linux release. Its biggest feature is its fixed upgrade every six months. Therefore, there are many versions. Phoronix recently compared the five versions of Ubuntu over the past two years, 11.10, 12.04.2LTS (long-term support), 12.10, 13.04, and 13.1020130705 under development to see what has changed in performance. Test Platform hardware configuration: Corei7-3960X3.3GHz six core processor, DX79SI motherboard, 8 GB Ubuntu is an outstanding Linux release. Its biggest fe

Simhash and Google's web page to go heavy

blocks, each block of the first fingerprint save the original data, followed by code generation.The last fingerprint in each block is saved in memory, so you can determine which block needs to be compared with the fingerprint in memory directly in comparison.The fingerprint of the 8B 64-bit is approximately 64GB in size, with the Haffman code compression reduced almost generally, and only one fingerprint is saved in memory for each block.Every time y

Brief analysis of >50MB/S eMMC technology of mobile phone micro hard disk reading speed

, different brands of mobile phone manufacturers in mobile phone production process, hardware facilities are also very different, such as mobile phone memory card slot size specifications. and memory card manufacturers therefore produce different sizes of mobile phone memory card, to match the different sizes of memory card slots for the use of mobile phones. And name these memory cards. The ultimate goal is to use different names to distinguish between different sizes of memory cards, we can ge

LIBGDX ROBOVM bmob IOS SDK Bindings

Bmob is a back-end provider that provides usersData ServicesSupport a wide range of data types, flexible and convenient additions and deletions, visual data manipulation, security role and ACL management, multi-table association processing, Data batch processing, local data cache, developers do not have to focus on the server backend, can achieve multi-platform synchronization development. file service file service allows uploading of any file type, Support for sub-fragment point

Continue deceptive ing! Apple ipad Air 3 is still 16GB

Early September 10, Apple released the ipad Pro and ipad mini 4. As for ipad Air 3? Rumor has been abandoned. However, according to the latest news, the ipad Air series is still there, not replaced by the ipad Pro, the ipad Air 3 was first released in October, it may be at the end of this year, or early next year.The IPad Air 3 screen is still 9.7 inches, but the resolution will increase to 4K, pixel density up to 401PPI, still maintain 4:3 aspect ratio, so it is 3112x2334, long and wide are now

Redis detailed and common problems solutions

you start these two versions, and I'm not sure if the Redisqfork file is smaller, but I'm sure you can adjust the location of the file by setting the Redis boot parameters heapdir.I search for "Heapdir" in the redis.windows.conf file, and then add a line below the default commented out, specifying the path to the Redis memory-mapped file (storage mapped files):2, Redis common exception handling 123 # heapdir指定内存映射文件路径名,不能是文件名# heapdir heapdir D:/temp/redis_heapdir/

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