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hold channel is a memory hog
- To: zmailer@nic.funet.fi
- Subject: hold channel is a memory hog
- From: "Michael R. Gettes" <gettes@princeton.edu>
- Date: Thu, 05 Jun 1997 11:49:46 EDT
- Organization: Princeton University, Network Systems Group
running zmailer zmailer-2.99.48 (pl3) I am once again having
a problem with the hold channel utilizing 117MB of swap and
constantly running. I hope this is sufficient info as I have
to kill this process to get mail going again since I am out
of memory.
mailq shows:
hold/*/0
hold/ns:adlibv.adelphi.edu/any/0 R=1 A=1006242 P=16950 HA=0s FA=0s OF=1
QA=2d2h
hold/ns:icdgate.hanscom.af.mil/any/0 R=1 A=2 W=662s QA=2h8m32s
hold/ns:sable.adelphi.edu/any/0 R=1 A=967772 QA=2d2h
hold/ns:epfl2.epflbalto.org/any/0 R=6 A=6 W=23810s QA=11h57m59s
channelwait
Threads: 4 Msgs: 9 Procs: 1 Idle: 0 Plim: 20 Flim: 150
A truss shows the following (this is sunos5.5.1):
write(1, " # h u n g r y\n", 8) = 8
read(0, " S / Q / 5 4 1 9 6 0 - 1".., 8192) = 43
getpid() = 16950 [29418]
open("S/Q/541960-16959", O_RDWR) = 3
fstat(3, 0xEFFFF218) = 0
fcntl(3, F_SETFD, 0x00000001) = 0
mmap(0x00000000, 13823, PROT_READ|PROT_WRITE, MAP_SHARED, 3, 0) = 0xEF750000
read(3, " i 5 4 1 9 6 0 - 1 6 9".., 13823) = 13823
open("../queue/S/Q/541960-16959", O_RDONLY) = 4
fstat(4, 0xEFFFF218) = 0
fcntl(4, F_SETFD, 0x00000001) = 0
mmap(0x00000000, 11491, PROT_READ, MAP_SHARED, 4, 0) = 0xEF5B0000
getpid() = 16950 [29418]
write(1, " 5 4 1 9 6 0 / 7 8 4 6\t".., 139) = 139
time() = 865525645
fstat(5, 0xEFFFAC88) = 0
time() = 865525645
getpid() = 16950 [29418]
putmsg(5, 0xEFFFA340, 0xEFFFA334, 0) = 0
fstat(6, 0xEFFFA1F0) = 0
fcntl(6, F_SETLK, 0xEFFFA29C) Err#11 EAGAIN
munmap(0xEF5B0000, 11491) = 0
munmap(0xEF750000, 13823) = 0
close(3) = 0
close(4) = 0
write(1, " # h u n g r y\n", 8) = 8
read(0, " S / Q / 5 4 1 9 6 0 - 1".., 8192) = 42