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From EronWright <...@git.apache.org>
Subject [GitHub] flink issue #5307: [FLINK-8431] [mesos] Allow to specify # GPUs for TaskMana...
Date Mon, 29 Jan 2018 19:22:14 GMT
Github user EronWright commented on the issue:

    https://github.com/apache/flink/pull/5307
  
    @tillrohrmann regarding your general question, you are right that Flink could, in concept,
deploy to GPU hosts even if Flink doesn't require any GPUs.   But we should keep in mind the
intent of `GPU_RESOURCES`, which is to reserve GPU hosts for frameworks that need GPUs with
an opt-in mechanism.     
    
    We could adjust the logic in this PR to the effect that the `gpus` configuration option
has no default value.  If any value is configured (including `0.0`), add the `GPU_RESOURCES`.
 This would allow the user to make use of GPU hosts even if not requiring any GPU resources,
but it feels a bit exploitative and would prefer we not do this.  WDYT?


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