db2 status command

Purpose:The stat command is used to display the status information of a file or file system, from the Coreutils software package, the general system comes with this command tool, which can obtain a lot of information related to the file system and files, the specific use of stat function options. This information includes Inode, Atime, CTime, Mtime, File (System)

Tags: ar data problem SP algorithm AD C database sqlShow status like ' com_% ';Com_select | 1 Number of times a select operation is performed, only one query accumulates 1Com_insert | 0 the number of times the insert operation was performed, and for inserts that were bulk inserted, only one timeCom_update | 0 Number of update operations performedCom_delete | 0 Number of Delete operations performedThe above parameters accumulate for all the table opera

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machine.===swap virtual memory Exchange = = =si: The size of virtual memory read from disk per secondSo: the size of virtual memory written to disk per second* Analysis(1) Si: If this value is greater than 0, it means that the physical memory is not enough or the memory leaks, to find out the memory-consuming process(2) So: If this value is greater than 0, ibid.===io read-Write condition = =bi: The number of blocks received per second by the block device, where the block device refers to all th

Recently, I used vs2010 to create a web project. It is okay to run the project. However, when the web design interface is opened, the control cannot be displayed normally and an error is prompted: The session status can be used only when enablesessionstate is set to true in the configuration file or page command. Make sure thatProgramThe Follow the prompts to search online. No way, I finally created a

current capacityPercentage of current capacity used by O:old generationPercentage of current capacity used by P:perm generationS0CMX: Maximum Capacity (bytes) of the first Survivor (Survivor area) in the young generationS1CMX: Maximum capacity of the second survivor (Survivor area) in the younger generation (bytes)ECMX: Maximum capacity of Eden (Eden) in the Young Generation (bytes)DSS: Capacity (bytes) currently required for Survivor (surviving area) (Eden area Full)TT: Limited number of holds

LISTENListening for connection requests from a remote TCP portSyn-sentWait for a matching connection request after sending a connection requestSyn-receivedWait for confirmation of the connection request after receiving and sending a connection requestEstablishedRepresents an open connectionFin-wait-1Waiting for a remote TCP connection to interrupt the request, or the acknowledgement of a previous connection interrupt requestFin-wait-2Waiting for connection interrupt request from remote TCPClose-

Defaults write/library/preferences/com.apple.bluetooth.plist controllerpowerstate 0#关闭蓝牙服务Defaults write/library/preferences/com.apple.bluetooth.plist controllerpowerstate 1#打开蓝牙服务Killall blued#结束所有蓝牙服务进程Launchctl unload/system/library/launchdaemons/com.apple.blued.plist#卸载蓝牙DaemonLaunchctl load/system/library/launchdaemons/com.apple.blued.plist#载入蓝牙DaemonLaunchctl Start com.apple.blued#重启蓝牙DaemonOriginal address: Https://discussions.apple.com/thread/2619301?tstart=0MAC OSX controls bluetooth

Mysql show status command: show status; Aborted_clients indicates the number of dropped connections because the client fails to properly close the connection. The number of connection times of the MySQL server that failed the Aborted_connects attempt. The number of times that Connections attempted to connect to the MySQL server. Created_tmp_tables: Number of impl

It is often necessary to monitor the running status of Memcached on the server, such as the number of cache queries and hit rate. ButThe memcached-tool is written in perl in linux, and I have never tried whether it can be used in windows. Later, I found a simple way to do this, that is, using Telnet. 1. In windows, connect to the memcached port. In the cmd command line, type telnet 192.168.1.1 11211 11211 a

startup.Slow_launch_threads the number of threads that have created longer than slow_launch_time seconds.Slow_queries the number of queries that have been queried for more than long_query_time seconds. See section 5.11, 4, "Slow query log".Sort_merge_passes the number of merges that the sorting algorithm has performed. If the value of this variable is large, you should consider increasing the value of the sort_buffer_size system variable.Sort_range the number of sorts that are executed within t

Pgcmx:perm generation (bytes)The current newly generated capacity of the Pgc:perm generation (bytes)S0: The first survivor (Survivor area) of the young generation has been used as a percentage of current capacityS1: The second survivor (Survivor area) in the younger generation has been used as a percentage of current capacityE: Eden (Eden) in the young generation has been used as a percentage of current capacityPercentage of current capacity used by O:old generationPercentage of current capacit

1. Account and Password settings To select User sys, SYSTEM, DBSNMP, and Sysman to use the same password, select "All accounts use the same password". Bi user, password Ch51*****,scott user. All of the above are the same password ch5******* Here, select "Use different Passwords" and set the user's password individually: SYS user's password is Oracle The system user's password is manager DBSNMP user's password is DBSNMP The password for the Sysman user is Sysman. Scott user, specify user passw

MAIN-AGENTLIB:JDWP=TRANSPORT=DT_SOCKET,SUSPEND=Y,ADDRESS=LOCALHOST:43467-DFILE.ENCODING=GBK1947-dosgi.requiredjavaversion=1.5-xx:maxpermsize=256m-xms40m-xmx512m12858 jps-denv.class.path=/home/fenglibin/java6/lib/dt.jar:/home/fenglibin/java6/lib/tools.jar::/usr/bin/ Libtool:/usr/bin/autoconf:/usr/local/berkeleydb.4.8/lib-dapplication.home=/home/fenglibin/java6-xms8m With-l parameter [Email protected]:~$ jps-l11644 Com.alibaba.china.webww.core.Main12870 Sun.tools.jps.Jp

/mysql/bin/mysqld--basedir=/usr/local/mysql--datadir=/data/mysql--plugin-dir=MySQL 3005 3087 0 Jan15? Sl 0:05/usr/local/mysql/bin/mysqld--basedir=/usr/local/mysql--datadir=/data/mysql--plugin-dir=3. PstackPstack shows the stack trace for each process, PHP's FPM master process, found that this thing is walking epoll:[Email protected]:~# pstack 1892#0 0x00000030e9ae8fb3 in __epoll_wait_nocancel () from/lib64/libc.so.6#1 0x0000000000856a74 in Fpm_event_epoll_wait ()#2 0x000000000084afff in Fpm_even

There are five processes in Linux:1. Run (running or waiting in the running Queue)2. interruption (in sleep, blocked, waiting for the formation or receipt of a signal of a condition)3. Do not interrupt (do not wake up when receiving the signal or do not run, the process must wait until there is an interruption)4. Stiff (the process has been terminated, but the process descriptor exists until the parent process calls wait4 () and is released after the system call)5. Stop (the process stops runnin