cinder/releasenotes/notes/increase_glance_num_retries...

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YAML

---
upgrade:
- |
The default value of the configuration option, ``glance_num_retries``,
has been changed to 3 in this release. Its former value was 0.
The option controls how many times to retry a Glance API call
in response to a HTTP connection failure, timeout or ServiceUnavailable status.
By this change, Cinder can be more resilient to temporary failure and continue
the request if a retry succeeds.