not enough free resources

[Wojciech Puchar]

1347/678/2025 mbufs in use (current/cache/total)
1123/237/1360/25600 mbuf clusters in use (current/cache/total/max)
1123/108 mbuf+clusters out of packet secondary zone in use (current/cache)
0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
2582K/643K/3226K bytes allocated to network (current/cache/total)
0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
0/0/0 requests for jumbo clusters denied (4k/9k/16k)
0/5/6656 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
1007 calls to protocol drain routines



so looks right but squid reports no buffer space available.
2006/11/26 20:27:05| comm_open: socket failure: (55) No buffer space 
available
2006/11/26 20:27:05| comm_open: socket failure: (55) No buffer space 
available


any clue?

On Sat, 25 Nov 2006, Bill Moran wrote:

> On Sat, 25 Nov 2006 18:22:16 +0100 (CET)
> Wojciech Puchar <wojtek at tensor.3miasto.net> wrote:
>
>> getting such things under high load
>>
>> Nov 25 18:20:20 3miasto named[996]: client 193.220.192.36#36674: error
>> sending response: not enough free resources
>>
>>
>> sometimes even ping doesn't work well.
>>
>> what resources are missing and how to change them?
>
> Check the output of 'netstat -m' to see if there are any clues as to what
> is being starved.  Once you know, it shouldn't be too hard to figure out
> how to increase it.
>
> -Bill
>
>