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https://issues.apache.org/jira/browse/MESOS-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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haosdent reassigned MESOS-1757:
-------------------------------
Assignee: haosdent
> Speed up the tests.
> -------------------
>
> Key: MESOS-1757
> URL: https://issues.apache.org/jira/browse/MESOS-1757
> Project: Mesos
> Issue Type: Epic
> Components: technical debt, test
> Reporter: Benjamin Mahler
> Assignee: haosdent
> Labels: twitter
>
> The full test suite is exceeding the 9 minute mark (581 seconds on my
> machine), this epic is to track techniques to improve this:
> # Now that the master and the slave have to perform sync'ed disk writes,
> consider using tmpfs (e.g. under /dev/shm) to speed up the disk writes. For
> the master, we could also consider defaulting to in-memory state rather than
> the replicated log for most tests.
> # -The reaper takes a full second to reap an exited process (MESOS-1199),
> this adds a second to each slave recovery test, and possibly more for things
> that rely on Subprocess.-
> # The command executor sleeps for a second when shutting down (MESOS-442),
> this adds a second to every test that uses the command executor.
> A big improvement will come from running the tests in parallel, a few options:
> # Use automake's parallel test harness to compile tests separately and run
> tests in parallel (see
> [here|http://www.gnu.org/software/automake/manual/html_node/Parallel-Test-Harness.html]).
> # Continue to use one test binary, but leverage google test's ability to
> shard tests across processes/machines (see
> [here|https://code.google.com/p/googletest/wiki/AdvancedGuide#Distributing_Test_Functions_to_Multiple_Machines]).
> This entails writing our own test wrapper script in support to decide many
> workers to use, etc.
> [gtest-parallel|https://github.com/google/gtest-parallel/blob/master/gtest-parallel]
> is an example of a parallel runner, but does not leverage the sharding
> ability.
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