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Support snapshotting simulated workloads #113

Merged
merged 3 commits into from
Oct 31, 2022
Merged

Support snapshotting simulated workloads #113

merged 3 commits into from
Oct 31, 2022

Commits on Oct 31, 2022

  1. feat(sim/flow): Support synchronous update of FlowStage 

    This change adds a new method to `FlowStage` called `sync()` which
enables users to synchronously update the stage at the current
timestamp.

This functionality is neccessary to support snapshotting since we need
to synchronize the state of the `FlowStage` before creating a snapshot
of the workload.
    @fabianishere
    fabianishere committed Oct 31, 2022
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  2. refactor(sim/compute): Report exceptions in onStop as suppressed 

    This change updates the implementation of `SimMachineContext` to report
exceptions thrown in `onStop` as suppressed exceptions if an exception
caused the workload to stop.
    @fabianishere
    fabianishere committed Oct 31, 2022
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  3. feat(sim/compute): Add support for snapshotting workloads 

    This change updates the interface of `SimWorkload` to support
snapshotting workloads. We introduce a new method `snapshot()` to this
interface which returns a new `SimWorkload` that can be started at a
later point in time and on another `SimMachine`, which continues
progress from the moment the workload was snapshotted.
    @fabianishere
    fabianishere committed Oct 31, 2022
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