tomcat memory usage monitoring

increase memory usage in the program. Workaround: How to: Increase Tomcat Memory:In Tomcat's directory, which is in the front of the Tomcat41/bin/catalina.bat file, joinSet java_opts=-xms800m-xmx800mThe effect is that when you start Tomcat, the system memory will increase

]; [Max]Each ' label ', the value combination is separated by a space, there is no additional uom,warn,crit,min,max in our system to define the performance data, the specific meaning can be referred to: https://nagios-plugins.org/doc/ Guidelines.html#plugoutputOur system in the service is passive, the node is active ping, next talk about how our system monitors the cpu,memory,io,network usage of the monitor

Reprint the original source of the articleIn the absence of nagios monitoring, as long as the server can be on the Internet, you can send e-mail to remind administrators of the use of system resources.First, write the Linux system warning mail script# vim/scripts/sys-warning.sh#!/bin/Bash#monitor the system load and CPU, memory, hard disk, log on the number of users, beyond the alert to send email alerts. #

With the accumulation of time, in the absence of good planning, the database may have a large number of indexes that are not used for a long time, if you quickly locate these indexes so that they can be cleared With the accumulation of time, in the absence of good planning, the database may have a large number of indexes that are not used for a long time, if you quickly locate these indexes so that they can be cleared With the accumulation of time, in the absence of good planning, the datab

internal command to control the display mode. In general, we maintain the server through remote monitoring, so that the local terminal of the server runs top in real time, which is one of the fast and convenient ways to monitor the server status locally on the server. Ubuntu Process Management Method ps display current process ps-l display details ps-u display relevant fields in user format description F Process status mark S Process status code UID

JDK built-in tools useJavah command (C Header and Stub File Generator)Ii. JPS Command (Java Virtual machine Process Status Tool)Iii. jstack Command (Java Stack Trace)Iv. jstat Command (Java Virtual machine Statistics monitoring Tool)V. Jmap command (Java Memory Map)Vi. jinfo Command (Java Configuration Info)Vii. jconsole Command (Java monitoring and Management Co

usage size h-show help n-set the number of processes displayed in the process List q-exit tops-change screen update cycle part 3-process in the bottom list bar: the process list differentiated by PID is regularly updated based on the set screen update time. You can use the top internal command to control the display mode. In general, we maintain the server through remote monitoring, so that the local termi

Permgen space stands for permanent generation space, which refers to the permanent storage area of the memory outofmemoryerror: permgen space is actually out of memory, and the solution must be to increase the memory. This part is used to store class and meta information. When the class is loaded, it is placed in the permgen space area, which is different from th

1. Overview monitoring is an indispensable part in checking system problems or optimizing system performance. The operating system monitoring tool monitors the usage of operating system resources and indirectly reflects the running status of each server program. The analysis based on the running results can help us quickly locate the system... information nb 1.

Question: The following figure Solution: Adjusts tomcat initialization and maximizes memory data. 1. Query the local memory and usage, according to the actual situation to set, using the free command, according to B display, the following command by M and G respectively to display According to the above see

1. set Eclipse memory usage Modify the eclipse.ini file under the Eclipse root directory-vmargs// virtual machine settings-xms40m// Initial Memory-xmx256m// Max memory-xmn16m// min memory-xx:permsize=128m// non-heap memory-xx:maxp

(ReadOnly read-only ReadWrite read-write)[Email protected] management]# chmod jmxremote.password jmxremote.access[Email protected] management]#/usr/local/tomcat-7.0.64front/bin/shutdown.sh[Email protected] management]#/usr/local/tomcat-7.0.64front/bin/startup.sh[Email protected] management]# Netstat-antulp | grep 9004TCP 0 0::: 9004:::* LISTEN 3093/java[Email protected] management]#3.jconsole Connection Se

Zabbix Monitoring System Usage Details Zabbix is an enterprise-level open-source solution that provides distributed system monitoring and network monitoring functions based on the WEB interface. It consists of zabbix server and the optional component zabbix agent. You can use SNMP, zabbix agent, ping, port

button submitted by the file, we can see the detailed SQL script to create the index by looking at the index script, so we can make the database tuning easily.Problems and SolutionsThe last thing to note is that you need to start SQLProfiler before you start the application server, or Tomcat. This is because SQLProfiler uses the log4j socketappender by default, so it starts first. Otherwise, errors can occur because of a WEB app in your application o

Recently took over to maintain a good project, telnet to the server when the program execution special card, the use of Task Manager to view the system resource usage, monitoring for a period of time found that the CPU is small, but memory consumption is high, And then found that it is Sqlserver.exe this service occupies a large amount of

1. Overview Monitoring is an indispensable part in checking system problems or optimizing system performance. The operating system monitoring tool monitors the usage of operating system resources and indirectly reflects the running status of each server program. The analysis based on the running results can help us quickly locate the scope of system problems or p

interrupt related rate data-L: Displays statistics related to load average (average load)-M: Show memory-related statistics-N: Shows the rate of data sent to and from the network-P: Show process-related statisticsRate of-R:I/O requests-S: Show data about swap-Y: Displays system-related data, including interrupts and process transitions2. Other options--TOP-CPU: Show CPU-intensive processes--top-bio: Displays the process of the most consumed block dev

1. Set eclipse memory usage and modify eclipse under the eclipse root directory. INI file-vmargs // Virtual Machine Settings-xms40m // initial memory-xmx256m // maximum memory-xmn16m // Minimum Memory-XX: permsize = 128 M // non-heap mem