Re: Detach mode has less capacity
Anu
------
I'm testing beanstalkd in two modes
1. # Foreground Mode
./beanstalkd -b binlog
2. # Detached Mode
./beanstalkd -d -b binlog
For #2., beanstalkd can only handle hundreds of thousand messages
before it return OUT_OF_MEMORY.
Each message has size less than 1K and I don't think my system is
really running out of memory, checking with free command I still has
more than 5G memory free left.
but for #1. I can send up to multi-millions messages to the queue
without problem.
I've 8G memory running on Ubuntu and using beanstalkd-1.4.3 compiled
from source.
Linux 2.6.31-14-server #48-Ubuntu SMP Fri Oct 16 15:07:34 UTC 2009
x86_64 GNU/Linux
"nohup ./beanstalkd -b binlog &" is my current solution but I think is
maybe there is a bug in detach mode.
# ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 20
file size (blocks, -f) unlimited
pending signals (-i) 16382
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 65535
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
Anu
mode) ########################
------------------------------------------------------------------------------------------------
cat /proc/$PROCESSID/status
Name: beanstalkd
State: R (running)
Tgid: 27467
Pid: 27467
PPid: 27430
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 256
Groups: 0
VmPeak: 1861844 kB
VmSize: 1833428 kB
VmLck: 0 kB
VmHWM: 1813420 kB
VmRSS: 1787104 kB
VmData: 1819000 kB
VmStk: 84 kB
VmExe: 48 kB
VmLib: 1948 kB
VmPTE: 3556 kB
Threads: 1
SigQ: 0/16382
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000001001
SigCgt: 0000000180004202
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
Cpus_allowed: f
Cpus_allowed_list: 0-3
Mems_allowed: 00000000,00000001
Mems_allowed_list: 0
voluntary_ctxt_switches: 64561
nonvoluntary_ctxt_switches: 13
################################ peak mam usage with -d option
#################################
################################ return OUT OF MEMORY HERE
#################################
------------------------------------------------------------------------------------------------
cat /proc/$PROCESSID/status
Name: beanstalkd
State: S (sleeping)
Tgid: 27450
Pid: 27450
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 64
Groups: 0
VmPeak: 26756 kB
VmSize: 26756 kB
VmLck: 0 kB
VmHWM: 11108 kB
VmRSS: 11108 kB
VmData: 12328 kB
VmStk: 84 kB
VmExe: 48 kB
VmLib: 1948 kB
VmPTE: 76 kB
Threads: 1
SigQ: 0/16382
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000001000
SigCgt: 0000000180004202
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
Cpus_allowed: f
Cpus_allowed_list: 0-3
Mems_allowed: 00000000,00000001
Mems_allowed_list: 0
voluntary_ctxt_switches: 51607
nonvoluntary_ctxt_switches: 0
------------------------------------------------------------------------------------------------
Keith Rarick
http://github.com/kr/beanstalkd/issues/issue/40
kr
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