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From Chun-Hung Hsiao <>
Subject Re: Review Request 69010: Synced SLRP checkpoints to the filesystem.
Date Thu, 18 Oct 2018 02:01:53 GMT

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(Updated Oct. 18, 2018, 2:01 a.m.)

Review request for mesos, Benjamin Bannier, Jie Yu, and Jan Schlicht.


Synced CSI volume state checkpoints.

Bugs: MESOS-9281

Repository: mesos


Currently if a system crashes, SLRP checkpoints might not be synced to
the filesystem, so it is possible that an old or empty checkpoint will
be read upon recovery. Moreover, if a CSI call has been issued right
before the crash, the recovered state may be inconsistent with the
actual state reported by the plugin. For example, the plugin might have
created a volume but the checkpointed state does not know about it.

To avoid this inconsistency, we always call fsync()  when checkpointing
SLRP states.

Diffs (updated)

  src/resource_provider/storage/provider.cpp db783b53558811081fb2671e005e8bbbd9edbede 
  src/slave/state.hpp 003211e4670c1092acb1634220d76bafd39e3a20 




make check


Chun-Hung Hsiao

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