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Fault tolerance #24

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kijungs opened this issue Apr 28, 2015 · 0 comments
Open

Fault tolerance #24

kijungs opened this issue Apr 28, 2015 · 0 comments
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BSP DNN

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@kijungs
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kijungs commented Apr 28, 2015

We have to

  1. specify what to do when a fault occurs,
  2. implement codes for fault tolerance,
  3. and test whether this implementation covers various fault cases.

I think that implementing fault tolerance will be closely related to implementing EM (Elastic Memory).

Currently, we just log failed tasks (see TaskFailedHandler in FlexionDriver)and update a group communication topology when it is changed (see updateTopology in ControllerTask)
These methods should be modified and improved.
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@jsjason @kijungs