Memory Total - cgroup - container
What it does
It reads the total amount of memory, in bytes, used by the cgroup of a container. More information about cgroups can be found here.
-s: container-ids seperated by commas
-i: interval in milliseconds
By default the measurement interval is 100 ms.
> ./metric-provider-binary -i 100 -s 7f38a4c25fb8f9d5f8651d6ed986b3658dba20d1f5fec98a1f71c141c2b48f4b,c3592e1385d63f9c7810470b12aa00f7d6f7c0e2b9981ac2bdb4371126a0660a
This metric provider prints to Stdout a continuous stream of data. The format of the data is as follows:
TIMESTAMP READING CONTAINER-ID
TIMESTAMP: Unix timestamp, in microseconds
READING: The amount of memory, in bytes, used during the time interval
CONTAINER-ID: The container ID that this reading is for
Any errors are printed to Stderr.
How it works
The provider assumes that you have cgroups v2 enabled on your system. It reads from the
memory.current file under
<USER-ID> is set to the calling user.