shared memory size

Today's Test colleague told me that the test environment has been an oom, let me analyze, the first to use the top command, record.1. First Five Elements informationtop-10:58:46 up-Days, 20:22, 3 users, load average:0.15, 0.08, 0.08tasks:128 Total, 1

Top: The command provides real-time status monitoring of the system's processor. It displays a list of the most "sensitive" tasks for the CPU in the system.This command can be used on a per-CPU basis. Memory usage and execution time sorting

Oracle optimization of database memory parametersØ Oracle -related system kernel parameters Ø SGA,PGA parameter setting Oracle lower disk storage performance OptimizationØ File System selection (ext2/ext3,xfs,ocfs2) Ø Oracle ASM storage 1. What

One, freeDisplays the unused and used memory states of the current system, including physical memory, virtual swap file memory, shared memory segments, and buffers used by the system core, etc.1. Parameter description-B: Displays memory usage in

Tag:cpu   nbsp   nginx   drop    Update      Understanding     model     between    .gz    1. Firewall 1) After reboot effective Open: Chkconfig iptables on off: chkconfig iptables off2) immediate effect, restart after failure to open: Service

First, preface:Network on the configuration of Dataguard a lot of articles, but a lot of oracle11g articles are actually only 9 10 on the run, such as Fal_client in 11g has been obsolete, but now the network of articles are not labeled this point.

Virt:virtual Memory usage Virtual RAM1. The process "required" virtual memory size, including the library, code, data, etc. used by the process2, if the process to apply for 100m of memory, but the actual use of only 10m, then it will grow 100m,

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

Brief introductionLists the operating system level monitoring commonly used several methods, it is recommended to collect the useCpuThe top command can be used to monitor the overall load of the system, including CPU, memory usage, and real-time

reproduced the top after the use of detailed parameters, the notes were not found, reproduced, as a reference for future use:Original address: http://blog.csdn.net/linghao00/article/details/8059244Linux top command view memory and multi-core CPU

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

The Linux system can use the top command to view information about the system's CPU, memory, run time, swap partition, thread execution, and so on. With the top command, you can find out where the system's flaws are. is not enough memory, CPU

What does the CPU information in the top command of Linux mean?Cpu (s): 62.1% us, 15.9% sy,0.1% ni, 19.4% id,2.0% wa,0.1% hi,0.4% simem:8247956k total,8232004k used,15952k free,205240k buffersswap:8191992k total,48k used,8191944k free,7156092k

Introduction The top command is a common performance analysis tool under Linux that shows the resource usage of individual processes in the system in real time, similar to the Task Manager for Windows.Top display system current process and other

Linux System Management -Process and scheduled task management a,the relationship between procedures and processes1. Procedure• Executable code and data saved on hard disk, CD-ROM and other media• Statically saved code2. Process• program code

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

View process Top The top command displays in real time the resource usage of each process in the system Command display: Top-20:48:18 up 525 days, 4:51, 8 users, load average:2.81, 2.21, 1.78tasks:443 Total,

#topOutput:C: Toggle display command name and full command line. Displays the complete command. This feature is useful.M: Sorts based on the size of the resident memory.P: Sorts according to the percentage size of CPU

What does the CPU information in the top command of Linux mean?Cpu (s): 62.1% us, 15.9% sy,0.1% ni, 19.4% id,2.0% wa,0.1% hi,0.4% simem:8247956k total,8232004k used,15952k free,205240k buffersswap:8191992k total,48k used,8191944k free,7156092k

Source: http://www.jb51.net/LINUXjishu/34604.html Top is a dynamic display process that allows you to constantly refresh the current state by pressing the user key. If the command is executed in the foreground, it will monopolize the foreground,