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https://issues.apache.org/jira/browse/AIRFLOW-1035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15963492#comment-15963492
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Ivan Vergiliev commented on AIRFLOW-1035:
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[~criccomini] I'm not really in a rush (disabled exponential backoff as soon as
I found this), but the PR for this issue fixes a bug that existed in the old
logic as well:
https://github.com/apache/incubator-airflow/pull/2196#issuecomment-290045055 .
It effectively causes the scheduler to stop scheduling any new tasks after an
operator with exponential backoff fails a few times. So I'm guessing it might
be worth including in the bug fix release.
> Exponential backoff retry logic should use 2 as base
> ----------------------------------------------------
>
> Key: AIRFLOW-1035
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1035
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: Alex Guziel
> Assignee: Alex Guziel
> Fix For: 1.9.0
>
>
> Right now, the exponential backoff logic computes it as
> (retry_period) ^ (retry_number) instead of retry_period * 2 ^ retry_number.
> See https://en.wikipedia.org/wiki/Exponential_backoff
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