ganglia tips

# Process Columns
tmax max time in seconds between gmetric calls
dmax lifetime of the metric
TN how old the job_info is


TN
The age of the information in this row, in seconds.
HOST
The node in the cluster on which this process is running.
PID
The Process ID. A non-negative integer, unique among all processes on this node.
USER
The username of this processes.
CMD
The command name of this process, without arguments.
%CPU
The percentage of available CPU cycles occupied by this process. This is always an approximate figure, which
is more accurate for longer running processes.
%MEM
The percentage of available physical memory occupied by this process.
SIZE
The size of the "text" memory segment of this process, in kilobytes. This approximately relates the size of the
executable itself (depending on the BSS segment).
DATA
Approximately the size of all dynamically allocated memory of this process, in kilobytes. Includes the Heap and
Stack of the process. Defined as the "resident" - "shared" size, where resident is the total amount of physical
memory used, and shared is defined below. Includes the the text segment as well if this process has no children.
SHARED
The size of the shared memory belonging to this process, in kilobytes. Defined as any page of this process鈥?
physical memory that is referenced by another process. Includes shared libraries such as the standard libc and
loader.
VM
The total virtual memory size used by this process, in kilobytes