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[IMPROVED] Pre-acks handling, detecting ack for out of bounds sequence. #6109

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merged 3 commits into from
Nov 12, 2024

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derekcollison
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Detect if we receive an ack past our last stream sequence.

We also no longer register pre-acks when we detect this from a consumer snapshot since we properly handle this now and this could lead to excessive memory usage.

Signed-off-by: Derek Collison [email protected]

@derekcollison derekcollison requested a review from a team as a code owner November 11, 2024 20:46
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Question for the team, currently I do return if the ack is waiting for a reply. Currently we do not respond with any errors in 2.10.x so that will need to wait for 2.11 (@jnmoyne) but should we not return and let the ack timeout instead?

@ripienaar interested in your thoughts here.

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@neilalexander neilalexander left a comment

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LGTM

We also no longer register pre-acks when we detect this from a consumer snapshot since we properly handle this now and this could lead to excessive memory usage.

Signed-off-by: Derek Collison <[email protected]>
Signed-off-by: Derek Collison <[email protected]>
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ok after thinking I believe we should timeout on an AckSync and err when we hit 2.11.

I force pushed the change to the code and the test.

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jnmoyne commented Nov 12, 2024

ok after thinking I believe we should timeout on an AckSync and err when we hit 2.11.

I agree that it should error out in 2.11 (e.g. especially if at the same time we start erroring out also in case it's the message is already ack'd).

@derekcollison derekcollison merged commit 1418887 into main Nov 12, 2024
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@derekcollison derekcollison deleted the preacks-imp branch November 12, 2024 16:20
neilalexander added a commit that referenced this pull request Nov 12, 2024
Includes the following:

* Some tweaks to the NRG test helpers
* #6055
* #6061
* #6065 
* #6041 (but with `math/rand`
instead of `math/rand/v2` due to an older Go version in CI for 2.10.x)
* #6066
* #6067
* #6069
* #6075
* #6082
* #6087
* #6086
* #6088
* #6089
* #6092
* #6096
* #6098
* #6097
* #6105
* #6104
* #6106
* #6109
* #6111
* #6112

Signed-off-by: Neil Twigg <[email protected]>
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3 participants