[Nfd-dev] What makes nfd grow in size?

[Junxiao Shi]

Hi John

This may or may not be a memory leak.

Please collect the output of `nfd-status -vf` in order to determine whether
a certain table is growing.

Yours, Junxiao

On Mon, Jan 26, 2015 at 2:01 PM, John DeHart <jdd at wustl.edu> wrote:

>
> All:
>
> I'm having a problem on one of the NDN Testbed nodes with nfd growing
> to an unreasonable size.
>
> There is a steady stream of Interests and Data going through it.
> I have reduced the size of the CS down to 8K to see if that will
> stop the growth but it doesn't seem to.
>
> This is on the Tongji node. The virtual memory size of nfd will
> continue to grow until eventually the node will get bogged
> down and I have to restart nfd to clear things up.
>
> I include below some ps samples that show the size and the change
> in size at 5 second intervals.
>
> What else besides the CS would cause nfd to continue to grow?
>
> I should mention that I am experimenting with tcp faces to try
> to alleviate some other network problems.
>
>
> Thanks,
> John
>
>
> Tue Jan 27 04:48:22 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2482116 1618620 ep_pol Ssl ?        8:53
> /usr/bin/nfd --config /etc/ndn/nfd.conf
>
> Tue Jan 27 04:48:27 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2488600 1625240 ep_pol Ssl ?        8:55
> /usr/bin/nfd --config /etc/ndn/nfd.conf
>
> Tue Jan 27 04:48:32 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2495212 1631896 ep_pol Ssl ?        8:56
> /usr/bin/nfd --config /etc/ndn/nfd.conf
>
> Tue Jan 27 04:48:37 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2502084 1608468 ep_pol Ssl ?        8:57
> /usr/bin/nfd --config /etc/ndn/nfd.conf
>
> Tue Jan 27 04:48:42 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2509112 1615620 ep_pol Ssl ?        8:59
> /usr/bin/nfd --config /etc/ndn/nfd.conf
>
> Tue Jan 27 04:48:47 CST 2015
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME
> COMMAND
> 4     0  5211     1  20   0 2515856 1622520 ep_pol Ssl ?        9:01
> /usr/bin/nfd --config /etc/ndn/nfd.conf
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