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cgroup memory.usage_in_bytes always zero for some tasks
Adding entire session to a cgroupCannot set memory.memsw.limit_in_bytes in cgroup on Ubuntu server using cgmHow to delete a device parameter for a cgroup?Place all processes belonging to user in a cgroupCould not find writable mount point for cgroup hierarchy 13 while trying to create cgroupcgroup files for uninstalled softwareIs my cgroup overloaded?CGroup perm for every user in gidCgroup memory.usage_in_bytes shows incorrect value
I am trying to use cgroup to manage memory on a HPC cluster using torque queue manager on CentOS 6 machines. Just to test I login to a node running a job where I have:
pbs_mom(12184)─┬─sh(24312)───9809188.launchp(24339)───fcgene(24362)
├─pbs_mom(12190)
└─pbs_mom(12191)
I have cgconfig service started. I then do
# cd /cgroup/memory
# mkdir jobMOM
# cd jobMOM
# echo 12184 > tasks
# cat cgroup.procs
12184
# cat memory.usage_in_bytes
81920
I then add the other procs in the tree
# for f in 24312 12190 12191 24339 24362 ; do echo $f >> tasks ; done
But I see memory.usage actually go down
# cat memory.usage_in_bytes
49152
But the added processes are using over 18GB of memory combined
# ps -eLo pid,fname,vsize,rss | egrep '^(12184|12190|12191|24312|24339|24362)'
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
24312 sh 114532 1716
24339 9809188. 106132 1248
24362 fcgene 16815264 16809768
So it seems like the new tasks I added are just ignored. Anyone understand why?
When I deleted this cgroup and created a new one with just process 24339 and 24362 then I always just get 0 for memory.usage_in_bytes. Everything in memory.stat is also 0.
cgroups
asked Jun 23 '15 at 16:15
rainesraines
796
add a comment |
I am trying to use cgroup to manage memory on a HPC cluster using torque queue manager on CentOS 6 machines. Just to test I login to a node running a job where I have:
pbs_mom(12184)─┬─sh(24312)───9809188.launchp(24339)───fcgene(24362)
├─pbs_mom(12190)
└─pbs_mom(12191)
I have cgconfig service started. I then do
# cd /cgroup/memory
# mkdir jobMOM
# cd jobMOM
# echo 12184 > tasks
# cat cgroup.procs
12184
# cat memory.usage_in_bytes
81920
I then add the other procs in the tree
# for f in 24312 12190 12191 24339 24362 ; do echo $f >> tasks ; done
But I see memory.usage actually go down
# cat memory.usage_in_bytes
49152
But the added processes are using over 18GB of memory combined
# ps -eLo pid,fname,vsize,rss | egrep '^(12184|12190|12191|24312|24339|24362)'
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
24312 sh 114532 1716
24339 9809188. 106132 1248
24362 fcgene 16815264 16809768
So it seems like the new tasks I added are just ignored. Anyone understand why?
When I deleted this cgroup and created a new one with just process 24339 and 24362 then I always just get 0 for memory.usage_in_bytes. Everything in memory.stat is also 0.
cgroups
asked Jun 23 '15 at 16:15
rainesraines
796
add a comment |
I am trying to use cgroup to manage memory on a HPC cluster using torque queue manager on CentOS 6 machines. Just to test I login to a node running a job where I have:
pbs_mom(12184)─┬─sh(24312)───9809188.launchp(24339)───fcgene(24362)
├─pbs_mom(12190)
└─pbs_mom(12191)
I have cgconfig service started. I then do
# cd /cgroup/memory
# mkdir jobMOM
# cd jobMOM
# echo 12184 > tasks
# cat cgroup.procs
12184
# cat memory.usage_in_bytes
81920
I then add the other procs in the tree
# for f in 24312 12190 12191 24339 24362 ; do echo $f >> tasks ; done
But I see memory.usage actually go down
# cat memory.usage_in_bytes
49152
But the added processes are using over 18GB of memory combined
# ps -eLo pid,fname,vsize,rss | egrep '^(12184|12190|12191|24312|24339|24362)'
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
24312 sh 114532 1716
24339 9809188. 106132 1248
24362 fcgene 16815264 16809768
So it seems like the new tasks I added are just ignored. Anyone understand why?
When I deleted this cgroup and created a new one with just process 24339 and 24362 then I always just get 0 for memory.usage_in_bytes. Everything in memory.stat is also 0.
cgroups
asked Jun 23 '15 at 16:15
rainesraines
796
I am trying to use cgroup to manage memory on a HPC cluster using torque queue manager on CentOS 6 machines. Just to test I login to a node running a job where I have:
pbs_mom(12184)─┬─sh(24312)───9809188.launchp(24339)───fcgene(24362)
├─pbs_mom(12190)
└─pbs_mom(12191)
I have cgconfig service started. I then do
# cd /cgroup/memory
# mkdir jobMOM
# cd jobMOM
# echo 12184 > tasks
# cat cgroup.procs
12184
# cat memory.usage_in_bytes
81920
I then add the other procs in the tree
# for f in 24312 12190 12191 24339 24362 ; do echo $f >> tasks ; done
But I see memory.usage actually go down
# cat memory.usage_in_bytes
49152
But the added processes are using over 18GB of memory combined
# ps -eLo pid,fname,vsize,rss | egrep '^(12184|12190|12191|24312|24339|24362)'
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
12184 pbs_mom 48076 27432
24312 sh 114532 1716
24339 9809188. 106132 1248
24362 fcgene 16815264 16809768
So it seems like the new tasks I added are just ignored. Anyone understand why?
When I deleted this cgroup and created a new one with just process 24339 and 24362 then I always just get 0 for memory.usage_in_bytes. Everything in memory.stat is also 0.
cgroups
cgroups
asked Jun 23 '15 at 16:15
rainesraines
796
asked Jun 23 '15 at 16:15
rainesraines
796
asked Jun 23 '15 at 16:15
rainesraines
796
asked Jun 23 '15 at 16:15
rainesraines
796
asked Jun 23 '15 at 16:15
rainesraines
796
796
add a comment |
add a comment |
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