Re: Where did all the FDs go? [v1.2.24]

Oops,

I meant v1.2.beta24. sorry... In addition, does anyone else has problems
with squid v1.2beta24 not being able to detect
the liveness of the parent squid?

-jaz

James Zhu wrote:

> Hi, I have a very basic and probably stupid question:
>
> I am running squidv1.1beta24 on two Linux boxes -- one parent and one
> child via a high latency link. I'd like to see them using persistent
> connections between them. pconnPush() has this following check:
>
> if (fdNFree() < RESERVED_FD << 2) {
> debug(48, 3) ("pconnPush: Not many unused FDs\n");
> comm_close(fd);
> return;
> }
>
> RESERVED_FD is defined to be MaxFD / 4. MaxFD is 256 on linux. The
> above statement is always true. No Connection is ever saved and reused
> on a box running stock linux kernel. Since my squid box does not have
> much load on it at all. I thought 256 file discriptors should be plenty.
> So I made it to compare with RESERVED_FD << 1 (128) instead, and added
> following line before the comparison:
>
> debug(17, 3) ("pconnPush: fdNFree = %d, RESERVED_FD << 1 = %d\n",
> fdNFree(), (RESERVED_FD << 1));
>
> Running squid with this change, I noticed the fdNFree value keep
> dropping over time and eventually it is smaller then 128. Where did all
> the FDs go? Please help!
>
> thanks
>
> -jaz
>
Received on Thu Sep 10 1998 - 13:21:13 MDT