Anuj Modi created HADOOP-18759:
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Summary: [ABFS}[Backoff-Optimization] Have a Linear retry policy
for connection timeout failures
Key: HADOOP-18759
URL: https://issues.apache.org/jira/browse/HADOOP-18759
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/azure
Affects Versions: 3.3.4
Reporter: Anuj Modi
Assignee: Anuj Modi
Today when a request fails with connection timeout, it falls back into the loop
for exponential retry. Unlike Azure Storage, there are no guarantees of success
on exponentially retried request or recommendations for ideal retry policies
for Azure network or any other general failures. Faster failure and retry might
be more beneficial for such generic connection timeout failures.
This PR introduces a new Linear Retry Policy which will currently be used only
for Connection Timeout failures.
Two types of Linear Backoff calculations will be supported:
# min-backoff starts with 500 ms and with each attempted retry, back-off
increments double, capped at 30 sec max
# min-backoff starts with 500 ms and with each attempted retry, back-off
increments by 1 sec, capped at 30 sec max
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