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From "Zameer Manji (JIRA)" <>
Subject [jira] [Commented] (AURORA-1648) Use of `dbScript` field and schema changes can cause crashes
Date Tue, 22 Mar 2016 20:40:25 GMT


Zameer Manji commented on AURORA-1648:

Reverting the change related to step 2:

> Use of `dbScript` field and schema changes can cause crashes
> ------------------------------------------------------------
>                 Key: AURORA-1648
>                 URL:
>             Project: Aurora
>          Issue Type: Story
>            Reporter: Zameer Manji
> Here is a sequence of steps that can lead of a crasher:
> 1. Deploy the scheduler and take a snapshot with the {{dbScript}} field populated.
> 2. Upgrade the scheduler with a new version which contains schema changes (such as [~joshua.cohen]'s
recent change to store Docker and AppC image ids.
> 3. After upgrading, the scheduler will restore the schema of the in memory database from
the {{dbScript}} field and not the built in schema. This means the table additions from the
previous step will not exist.
> 4. Observe crashes as queries to the in memory database.

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