I can at least answer one of the questions ;-)
On 22.09.2017 13:09, Hans-Peter Jansen wrote:
Do workers really need swap?
Yes, the build result is extracted from the worker via the swap volume (after finishing,
the build process writes the
results into the swap device inside the VM, then the obsworker extracts them from
"outside" the VM).
The reason for this is (at least I believe so), that the process is file system agnostic
(you could in theory run a
totally new VM with a fancy file system for building on a pretty old host with a kernel
that does not understand that
file system) and you don't have to mess around with loop devices, partitioning etc.
"For a successful technology, reality must take precedence over
public relations, for nature cannot be fooled." -- Richard Feynman
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