I’m seeing what appears to be quite high memory use from the Mender client on my device when Mender is idle. Is this normal? If not, what should I do to lower it?
Output from top:
1523 1 root S 839m 169% 29% /usr/bin/mender -daemon
/proc/status output:
root@sensor-020000300:~# cat /proc/1523/status
Name: mender
Umask: 0022
State: S (sleeping)
Tgid: 1523
Ngid: 0
Pid: 1523
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 256
Groups:
VmPeak: 859704 kB
VmSize: 859704 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 11324 kB
VmRSS: 11324 kB
RssAnon: 5840 kB
RssFile: 5484 kB
RssShmem: 0 kB
VmData: 84964 kB
VmStk: 132 kB
VmExe: 4336 kB
VmLib: 1400 kB
VmPTE: 44 kB
VmPMD: 0 kB
VmSwap: 0 kB
Threads: 8
SigQ: 0/2935
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: fffffffe7bfa7827
SigIgn: 0000000000000000
SigCgt: ffffffffffc1feff
CapInh: 0000000000000000
CapPrm: 0000003fffffffff
CapEff: 0000003fffffffff
CapBnd: 0000003fffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Cpus_allowed: 3
Cpus_allowed_list: 0-1
voluntary_ctxt_switches: 58
nonvoluntary_ctxt_switches: 20
/proc/cpuinfo for my device in case it is relevant:
root@sensor-020000300:~# cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 650.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
processor : 1
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 650.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
Hardware : Xilinx Zynq Platform
Revision : 0003
Serial : 0000000000000000
free output as well, in case it is relevant:
total used free shared buffers cached
Mem: 507880 192508 315372 34684 3940 95156
-/+ buffers/cache: 93412 414468
Swap: 0 0 0
I’m on Rocko and using Mender 1.7.0.