used memory

TopParameter 1, view multi-core CPU also available mpstat-p allPstate PIDViewing the process stackPmap-x PIDView process Memory SegmentsLDD xxx.soSee the link information for. SoLinux View Threads Method One: PSIn the PS command, the "-t" option

Source: Group of technical TeamIntroductionOn some servers with physical memory of 8g, the main running of a Java service, the system memory allocation is as follows: Java service JVM heap size is set to 6g, a monitoring process consumes about

Linux View sub-processes under a process　PS grep Master process IDPstree-p Linux Memory Viewing mode: free-M Total used free shared buffers CachedMem: 1002 769 232 0 421-/+

Http://www.infoq.com/cn/articles/cache-coherency-primerHttp://www.cnblogs.com/xybaby/p/6641928.htmlThis article is a translation of RAD Game tools programmer Fabian "Ryg" Giesen the "Cache coherency Primer" published on its blog, which is shared by

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

An accidental opportunity to discover that a process uses more than 14G of memory. This process is an RPC server, just as a transit, absolutely should not use so much memory. Even if the amount of concurrency is too much. There is too much data in

First, through FRE-M view current machine use memory resource status1. View Free-m Execution Results650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/73/24/wKiom1X2WVSBN5PcAAE3sHW2ucQ731.jpg "title=" memory. jpg "alt="

Why the browser uses a multi-process modelThe answer to this question seems to be very clear and can be summed up as: for security, stability, performance, just sacrifice a bit of memory as a cost. For security and stability, the process mechanism

Browser tab switch: Ctrl+tabTerminalOpen Terminal Quick build: ctrl+alt+tClose Terminal shortcut key: Ctrl+shift+qOpen a new Terminal tab shortcut: Ctrl+shift+tClose the Terminal tab shortcut key: Ctrl+shift+wSwitch between terminal pages shortcut

1.1 What is a memory leak?A situation in which a program fails to release memory that is no longer in use due to negligence or error. A memory leak does not mean that there is physical disappearance, but that the application allocates some memory,

Any language that creates objects in the process of running it means that they need to allocate space in memory for these objects, and when those objects lose their meaning, they need to be freed up to make sure that the memory is available to the

You can use Free,top to view memory usage. Free (default memory display size is KB) Free Total used free shared buffers cachedmem: 65923008 51864508 14058500 0 368744 41668284-/+

Recently began to want to learn a little bit more about the Linux kernel, the main reference is "deep understanding of the Linux kernel" and "deep understanding of the Linux kernel architecture" and the source code, experience is limited, can only

I believe in the same procedure. Apes often encounter garbage collection problems in their daily work or interviews, and are there any details in the dead of the dead of night on the JVM garbage collection mechanism? It doesn't matter if you don't

1, modify the Eclipse.iniIn the MyEclipse installation directory G:\MyEclipse8.5\Genuitec\MyEclipse 8.5 has a Myeclipse.ini configuration file, set as follows:-vmargs-xmx512m-xx:maxpermsize=256m-xx:reservedcodecachesize=64m2. Set Default VM

The PS command in Linux is the abbreviation for Process Status . The PS command is used to list those processes that are currently running on the system. The PS command lists the current snapshots of those processes, which are those that are

GC Algorithm Garbage Collector overviewGarbage collection Garbage Collection is often referred to as the "GC", which was born in the 1960 MIT Lisp language, and has matured for more than half a century.In the JVM, the program counter, virtual

is the object dead? There are two ways to determine whether an object is alive:　　1. Reference counting algorithm: Each object has a reference count property, a new reference count plus 1, and a reference release count minus 1. When the count is 0,

Dir View your current location CD/Switch Directory Cd.. Switch to the previous level directory LS lists the file names under the directory Ls-l listing the files in the directory for more information LS-LH list the user-friendly

Transferred from: http://www.cnblogs.com/xd502djj/archive/2011/03/01/1968041.htmlDuring system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In