Re: squid, DNS and no buffer space
Stephen Borrill <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.network |
|---|---|
| Message-ID | <Pine.NEB.4.64.2412051131530.1680@ugly> |
On Mon, 2 Dec 2024, Michael van Elst wrote: > [email protected] (Stephen Borrill) writes: > >> As the first line suggests, named is running on the host itself (and is >> set to forward to another host on the same LAN). Both should be caching. > >> # netstat -m >> 31927 mbufs in use: >> 19124 mbufs allocated to data >> 12800 mbufs allocated to packet headers >> 3 mbufs allocated to socket names and addresses >> 32 calls to protocol drain routines > > Does this go down when you stop squid (and possibly other network activity) ? Unfortunately, stopping squid isn't really an option I can use for debugging here. > An MBUFTRACE kernel might show where the mbufs are used, but there > is lots of code that fails to implement it correctly. kern.mbuf.nmbclusters = 1038371 Here's a netstat -mssv at the time when squid is complaining: 18043 mbufs in use: 3502 mbufs allocated to data 14538 mbufs allocated to packet headers 3 mbufs allocated to socket names and addresses 0 calls to protocol drain routines small ext cluster lo0 inuse 0 0 0 claims 107416168 159506 159506 releases 107416168 159506 159506 cdce0 rx inuse 0 0 0 claims 0 0 0 releases 0 0 0 cdce0 tx inuse 0 0 0 claims 0 0 0 releases 0 0 0 nfsd cache inuse 0 0 0 claims 0 0 0 releases 0 0 0 route rtm inuse 0 0 0 claims 281590 0 0 releases 281590 0 0 internet arp inuse 0 0 0 claims 1459870 1449899 1449899 releases 1459870 1449899 1449899 unix inuse 0 0 0 claims 2632776 818995 818995 releases 2632776 818995 818995 link inuse 0 0 0 claims 0 0 0 releases 0 0 0 small ext cluster key inuse 0 0 0 claims 0 0 0 releases 0 0 0 internet6 inuse 0 0 0 claims 1175360 645762 645762 releases 1175360 645762 645762 carp6 tx inuse 0 0 0 claims 0 0 0 releases 0 0 0 carp6 rx inuse 0 0 0 claims 0 0 0 releases 0 0 0 carp tx inuse 0 0 0 claims 0 0 0 releases 0 0 0 carp rx inuse 0 0 0 claims 0 0 0 releases 0 0 0 tcp inuse 14538 0 0 claims 6036881 0 0 releases 6022343 0 0 tcp sock rx inuse 0 0 0 claims 498340460 363569745 363569745 releases 498340460 363569745 363569745 small ext cluster tcp sock tx inuse 430 330 330 claims 1219273099 979309109 979309109 releases 1219272669 979308779 979308779 tcp sock inuse 0 0 0 claims 0 0 0 releases 0 0 0 tcp reass inuse 0 0 0 claims 3462546 1976074 1976074 releases 3462546 1976074 1976074 tcp rx inuse 0 0 0 claims 426969642 321437608 321437608 releases 426969642 321437608 321437608 tcp tx inuse 0 0 0 claims 456453945 2 2 releases 456453945 2 2 udp inuse 0 0 0 claims 1431280 0 0 releases 1431280 0 0 udp rx inuse 0 0 0 claims 6462971 1416337 1416337 releases 6462971 1416337 1416337 udp tx inuse 0 0 0 claims 1881434 0 0 releases 1881434 0 0 small ext cluster internet rx inuse 0 0 0 claims 429297677 322328596 322328596 releases 429297677 322328596 322328596 internet tx inuse 0 0 0 claims 458456063 9518 9518 releases 458456063 9518 9518 internet inuse 0 0 0 claims 544962 161712 161712 releases 544962 161712 161712 bluetooth inuse 0 0 0 claims 0 0 0 releases 0 0 0 atalk arp inuse 0 0 0 claims 0 0 0 releases 0 0 0 atalk rx inuse 0 0 0 claims 0 0 0 releases 0 0 0 atalk tx inuse 0 0 0 claims 0 0 0 releases 0 0 0 appletalk inuse 0 0 0 claims 0 0 0 releases 0 0 0 small ext cluster route rtm inuse 0 0 0 claims 0 0 0 releases 0 0 0 wm1 rx inuse 0 0 0 claims 211281578 211281578 211281578 releases 211281578 211281578 211281578 wm1 tx inuse 0 0 0 claims 174113268 17774513 17774513 releases 174113268 17774513 17774513 wm0 rx inuse 0 0 0 claims 113015759 113015759 113015759 releases 113015759 113015759 113015759 wm0 tx inuse 0 0 0 claims 415857652 150683321 150683321 releases 415857652 150683321 150683321 nfs inuse 0 0 0 claims 21258358 10629214 10629214 releases 21258358 10629214 10629214 unknown free inuse 0 0 0 claims 0 0 0 releases 0 0 0 unknown data inuse 3072 3072 3072 claims 1554727303 324292671 324292671 releases 1554724231 324289599 324289599 small ext cluster unknown header inuse 0 0 0 claims 459279408 0 0 releases 459279408 0 0 unknown soname inuse 3 0 0 claims 4256515 0 0 releases 4256512 0 0 unknown soopts inuse 0 0 0 claims 0 0 0 releases 0 0 0 unknown ftable inuse 0 0 0 claims 0 0 0 releases 0 0 0 unknown control inuse 0 0 0 claims 957 0 0 releases 957 0 0 unknown oobdata inuse 0 0 0 claims 0 0 0 releases 0 0 0 revoked inuse 0 0 0 claims 0 0 0 releases 0 0 0 -- Stephen