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https://reviews.apache.org/r/65891/
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Review request for mesos, Akash Gupta and Joseph Wu.
Repository: mesos
Description
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The `set_job_cpu_limit` function does not sanitize its input, e.g.
`cpus`, causing a bug when more CPUs were requested than exist on the
machine.
For instance, in Mesos it was not possible to start a single task
which consumed every CPU, because the executor overcommit would cause
the task to ask for 0.1 more CPUs than available. So on a quad-core
machine, it'd ask for 4 CPUs, but that would cause the limiter to set
a limit at 4.1 CPUs, which exceeds the maximum allowed, causing an
"Invalid parameter" error when setting the CPU limit. We can avoid
this by ensuring the `cpu_rate` value is in the range of [1, 10000],
regardless of the input.
Diffs
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3rdparty/stout/include/stout/windows/os.hpp 545a0052c87652ec35adf12bb184fd35f1238977
Diff: https://reviews.apache.org/r/65891/diff/1/
Testing
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Tested manually and can successfully now deploy a 12 CPU task on a 12 core machine.
Will file an issue to add appropriate unit tests.
Thanks,
Andrew Schwartzmeyer
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