Why `top` shows incorrect(showm as question mark ) `VIRT` memory for larger 8TB size ?
Issue
-
The
topcommand shows?if process is using more that 8 TB virtual memory,#: top -b -n1 | grep a.out PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 47395 root 20 0 8150g 1104 380 S 0.0 0.0 0:00.00 a.out- Next allocation(> 8 TB)
#: top -b -n1 | grep a.out PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 47395 root 20 0 ? 1112 380 S 0.0 0.0 0:00.00 a.out- Here a.out is a C program which allocates virtual memory(50 GB at time).
Environment
- Red Hat Enterprise Linux 6
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