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Bump PoV request timeout #5885

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AndreiEres opened this issue Oct 1, 2024 · 0 comments · Fixed by #5924
Closed

Bump PoV request timeout #5885

AndreiEres opened this issue Oct 1, 2024 · 0 comments · Fixed by #5924
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AndreiEres commented Oct 1, 2024 •
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The current PoV request timeout is set to 1.2s because of synchronous backing. There we have a very small overall time budget. This is no longer true for asynchronous backing.

Considering that this is a hard timeout where we completely drop the response if exceeded, it might make sense to think about bumping it a bit. This would add robustness, especially with concurrent requests. Given that a single fetch should take around 200ms it probably is still ok. But there is no harm in bumping though. If we have 10 parallel requests, than the timeout should be around 2s.

In any case let's test this with Gluttons on Kusama, Lot's of 10MB PoVs ... let's see what happens.

Edited comment by @eskimor in #5753 (comment)
@AndreiEres AndreiEres self-assigned this Oct 4, 2024
@AndreiEres AndreiEres mentioned this issue Oct 4, 2024
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github-merge-queue bot pushed a commit that referenced this issue Oct 9, 2024
@AndreiEres
Bump PoV request timeout (#5924)
3ad1291 
# Description

We previously set the PoV request timeout to 1.2s based on synchronous
backing, which allowed for 5 PoVs per relay block. With asynchronous
backing, we no longer have a time budget and can increase the value to
2s.

Fixes #5885

## Integration

This PR shouldn't affect downstream projects.

## Review Notes

This PR can be followed by experiments with Gluttons on Kusama to
confirm that the timeout is sufficient.
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Bump PoV request timeout paritytech/polkadot-sdk
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