-Re: How are 'PHYSICAL_MEMORY_BYTES' and 'VIRTUAL_MEMORY_BYTES' calculated?
Vinod Kumar Vavilapalli 2013-07-12, 17:24
They are the running metrics. While the task is running, they will tell you how much pmem/vmem it is using at that point of time. Obviously at the end of job, it will be the last snapshot.
On Jul 12, 2013, at 6:47 AM, Shahab Yunus wrote:
> I think they are cumulative but per task.
> Physical memory bytes
> The physical memory being used by a task in bytes, as reported by /proc/meminfo.
> Virtual memory bytes
> The virtual memory being used by a task in bytes, as reported by /proc/meminfo.
> This is from the Definitive Guide book. Page 260.
> On Thu, Jul 11, 2013 at 12:47 PM, hadoop qi <[EMAIL PROTECTED]> wrote:
> I am wondering how memory counters 'PHYSICAL_MEMORY_BYTES' and 'VIRTUAL_MEMORY_BYTES' are calculated? They are peaks of memory usage or cumulative usage?
> Thanks for help,