how to check available memory on linux

Linux memory basic knowledge and related tuning solutions, linux TuningMemory is one of the important components in the computer and serves as a bridge to communicate with the CPU. All programs in the computer run in the memory, so the memory

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I have seen an introduction to the memory pool technology, which has benefited a lot. Original post address: http://www.ibm.com/developerworks/cn/linux/l-cn-ppp/index6.html  6.1 Principle of Performance Optimization for custom memory pools As

Linux Memory management principlesin the user state, the kernel-state logical address refers specifically to the address before the linear offset of the Linux kernel virtual 3. Partner algorithm and slab allocator 16 pages of RAM because the maximum

SQLite uses dynamic memory allocations to obtain the memory needed for various objects, such as database connections and SQL preprocessing statements, to establish the memory cache for database files, and to save query results. We've done a lot of

It introduces the mechanism of virtual memory and the implementation of MMAP system call. MMAP allows the device memory to be mapped directly to the address space of the user process. The management of physical memory, including cache allocation and

See an article about the memory pool technology introduction article, benefited, posted here.Original Sticker Address: http://www.ibm.com/developerworks/cn/linux/l-cn-ppp/index6.html 6.1 The principle of custom memory pool performance optimizationAs

Go to: http://ixdba.blog.51cto.com/2895551/541355A physical memory and virtual memorywe know that reading and writing data directly from physical memory is much faster than reading and writing data from a hard disk, so we want all of the data read

A physical memory and virtual memory         We know that reading and writing data directly from physical memory is much faster than reading and writing data from a hard disk, so we want all of the data read and written to be done in memory, and

Memory UsageOn Linux, there is commands for almost everything, because the GUI might is always available. When working on servers only the shell access is available and everything have to be do from these commands. So today we shall is checking the