# cat /proc/9558/status
Name: dart
State: S (sleeping)
Tgid: 9558
Pid: 9558
PPid: 3645
TracerPid: 0
Uid: 1000 1000 1000 1000
Gid: 1000 1000 1000 1000
FDSize: 256
Groups: 27 33 1000
VmPeak: 639644 kB
VmSize: 633508 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 95300 kB
VmRSS: 95224 kB
VmData: 606016 kB
VmStk: 136 kB
VmExe: 9332 kB
VmLib: 3396 kB
VmPTE: 940 kB
VmSwap: 0 kB
New Generation
used 721.4KB of 32.0MB
external 40.1KB
collections 310
average collection time 0.20 ms
cumulative collection time 0.06 secs
average time between collections 10346.97 ms
Old Generation
used 8.1MB of 9.6MB
external 0B
collections 5
average collection time 6.87 ms
cumulative collection time 0.03 secs
average time between collections 642628.15 ms
# cat /proc/28389/status
Name: dart
State: S (sleeping)
Tgid: 28389
Pid: 28389
PPid: 28229
TracerPid: 0
Uid: 1000 1000 1000 1000
Gid: 1000 1000 1000 1000
FDSize: 256
Groups: 33 1000
VmPeak: 334736 kB
VmSize: 333892 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 205524 kB
VmRSS: 187836 kB
VmData: 304556 kB
VmStk: 136 kB
VmExe: 11356 kB
VmLib: 3324 kB
VmPTE: 520 kB
VmSwap: 0 kB
New Generation
used 28.7MB of 32.0MB
external 1.7MB
collections 62
average collection time 0.36 ms
cumulative collection time 0.02 secs
average time between collections 62460.11 ms
Old Generation
used 16.7MB of 17.4MB
external 16B
collections 4
average collection time 5.86 ms
cumulative collection time 0.02 secs
average time between collections 968131.72 ms
It is possible that there may be a small memory leak in the new SecureSocket code. We fixed two large memory leaks. Does your network download use HTTPS? I'll check for more memory leaks. Does the memory usage keep increasing on your process, as time passes?
Some I/O code allocates and uses memory on the C++ heap, as well as the DART heap, so that is how the process can use more memory than the Dart heap would suggest.
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