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https://issues.apache.org/jira/browse/AURORA-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zameer Manji updated AURORA-1890:
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Summary: Job Update Pulse History is initialized to no pulses on scheduler
recovery (was: Job Update Pulse History is not durably stored)
> Job Update Pulse History is initialized to no pulses on scheduler recovery
> --------------------------------------------------------------------------
>
> Key: AURORA-1890
> URL: https://issues.apache.org/jira/browse/AURORA-1890
> Project: Aurora
> Issue Type: Bug
> Reporter: Zameer Manji
>
> I have experienced the following problem with pulse updates. To reproduce:
> 1. Create an update with a pulse timeout of 1h
> 2. Send a pulse to get the update going.
> 3. Failover the scheduler immediately after.
> 4. Observe that the update is awaiting another pulse right after the failover.
> This is because the {{JobUpdateControllerImpl}} stores pulse history and
> state in memory in {{PulseHandler}}. On scheduler startup, the pulse state is
> reset to no pulse received.
> We can solve this by durably storing the timestamp of the last pulse received
> in storage.
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