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instance restartability #2650

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garlick opened this issue Jan 16, 2020 · 1 comment
Closed

instance restartability #2650

garlick opened this issue Jan 16, 2020 · 1 comment

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@garlick
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garlick commented Jan 16, 2020

Given a configured location for persistent storage, the rank 0 broker needs to change its behavior to

  1. ensure all its state is stored before shutting down
  2. detect existing state when starting up and load it

The rc3 scripts currently include

if test -n "$PERSISTDIR"; then
    flux kvs getroot >${PERSISTDIR}/kvsroot.final
    flux content flush
fi

Sometimes this is interrupted because of a timeout over all of rc3 (the "shutdown grace period"). That timeout needs a rethink.

We need corresponding code in rc1 to detect saved state and use it to restart.
@garlick garlick mentioned this issue Jan 26, 2020
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@garlick
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garlick commented Mar 16, 2020

Closed by #2820, #2783, etc

@garlick garlick closed this as completed Mar 16, 2020
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