Document how Pulp handles the ServerDisconnectedError and why
A new FAQ page¶
Create a new FAQ page and have this be the first FAQ. This should be a top-level page on the left-side of the navigation.
Behavior to document¶
At open floor today we touched on how Pulp 3 does not have retry logic in these cases:
- the server hanging up the TCP connection
- network errors which cause TCP hangups
- http errors other than [429, 502, 503, 504]
Two issues would occur if Pulp had a broad retry behavior such as in the cases above:
If the server says stop by hanging up Pulp should stop. Similarly if the network delivers TCP segments so slowly TCP times our.
If pulp did continue an actual network error would become a very slow failure, tons of retries for each content unit slowly failing one by one over hours
What can users who want retry do?¶
Users can restart their sync tasks. Pulp saves all the content it did receive on the timed-out sync, so the next time it syncs it doesn't need to redownload what it already got. Therefore when users do retry they effectively resume whenever the network and server is ready for that.
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