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Special Forums UNIX and Linux Applications How to Monitor Tomcat App Server? Post 302990366 by mohtashims on Wednesday 25th of January 2017 11:12:11 AM
Old 01-25-2017
Hammer & Screwdriver

Quote:
Originally Posted by bakunin
Have you made sure it is the application (and, for instance, NOT the system itself) that hangs for a few seconds? If, i.e., the system would be in a state of heavy swapping it might look like the application hangs but in fact it is the system that blocks the application because it has to get missing memory pages from swap to memory.

I hope this helps.

bakunin
The Unix server has no issues.

I m not looking to resolve any issue. All i want is to setup a non third part monitoring mechanism to monitor Tomcat Hung state. Unfortunately, all the suggestions be it mine or others is not helpful to print and debug Tomcat v8 hung state.

If anyone knows ... please suggest.
 

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dxsysinfo(8)						      System Manager's Manual						      dxsysinfo(8)

NAME
dxsysinfo - Monitors system information such as CPU activity, memory, swap space, and file system usage SYNOPSIS
/usr/bin/X11/dxsysinfo [options] OPTIONS
Displays the CPU Activity meter. Shrinks the window so that only the General Information area is visible. The -dashview option is ignored when it conflicts with other options or when all of the components in the General Information area were deselected in a previous invocation of the System Information application. This option is incompatible with the -fs option. If -dashview is specified with -fs, -dashview is ignored. Displays the File System area. Displays warning lights for file systems and swap space that have exceeded the recommended threshold. Displays the In-Use Memory meter. Displays the Available Swap meter. When these options are used on the command line, only the specified parts of the application are displayed. A user preferences file is created in the user's home directory the first time the application runs. It records user-specified options and any customizations made while running the application. If any of the command line options other than the -dashview option are used, the System Information application does not read the View state settings in the user preferences file. If the -dashview option is used on the command line without any other options, the application reads the View state settings in the user preferences file, $HOME/.sysman/Dxsys- info. System Information accepts all of the standard X Toolkit command line options, which are documented in the X(1X) reference page. DESCRIPTION
Use the System Information application, dxsysinfo, to: Obtain general information about the operating system and version, amount of RAM, and number of CPUs Monitor CPU activity, in-use memory, available swap space, and file system usage Set and modify file system thresholds To start dxsysinfo from the CDE desktop: Click on the Application Manager icon on the CDE front panel. Double click on the System_Admin application group icon. Double click on the DailyAdmin application group icon. Double click on the System Information application icon. EXAMPLES
To start System Information from the command line, enter: /usr/bin/X11/dxsysinfo Online Help For additional information about the graphical user interface, see the online help volume. To open the online help volume from within Sys- tem Information, run the application and choose Overview from the Help menu in the main window. You can view the System Information online help volume without running the application. To open the System Information help volume from the command line, enter the following command: /usr/dt/bin/dthelpview -helpVolume /usr/dt/appconfig/help/C/Dxsysinfo.sdl FILES
Contains user preferences that control the appearance of the application, file system information, and device information Contains the Sys- tem Information executable Contains the System Information help volume Contains the default values for the application's X resources SEE ALSO
Commands: df(1), ps(1), showmount(8), swapon(8), sysman_intro(8), uname(1), vmstat(1), X(1X) dxsysinfo(8)
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