10.1 List of commands used in Java VM

The table below lists the commands used in Java VM.

Table 10-1 List of commands used in Java VM

Command nameFunctionDescription
car_tar_gz#core archiving functionalityCollects the core file and related libraries by using the gzip command and outputs them to a single archive file.
This command is for UNIX only.
car_tar_Z#Core archivingGathers a core file and its related libraries by using the compress command and outputs them to a single archive file.
This command is for UNIX only.
eheapprofOutput of extended thread dump containing the Explicit heap detailed informationOutputs the Explicit heap detailed information to the thread dump.
javacore (Acquiring the core file and thread dump/in UNIX)
  • Acquiring the core file
  • Acquiring thread dump
Collects a core file and a thread dump simultaneously.
This command is for UNIX only.
javacore (Acquiring thread dump/in Windows)Acquiring thread dumpAcquires thread dump.
This command is for Windows only.
javagcForced execution of full garbage collectionExecutes full garbage collection at a desired time, such as when a memory leak or system error has occurred, as well as for application debugging. Also, executes the full garbage collection and cancels the Explicit memory block at any timing.
javatraceTrace information collectionCollects stack trace information from a core file.
This command is for UNIX only.
jheapprofOutput of the extended thread dump containing the Hitachi class-wise statistical informationOutput the Hitachi class-wise statistical information to thread dump.
jheapprofanalyzerOutput of the Hitachi class-wise statistical information analysis file in CSV formatOutputs the Hitachi class-wise statistical information analysis file in CSV format.
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Cannot be used in AIX; instead, use the snapcore command.