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[FIXED] AckAll on replicated Interest stream #6587

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Merged
merged 1 commit into from
Feb 27, 2025

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MauriceVanVeen
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Using a consumer with AckAll on an Interest-based stream would not properly remove messages below the sequence as part of the AckAll.

It would not work on the leader because in processReplicatedAck the skipped ahead o.asflr (=sseq) is used, so the sagap = sseq - o.asflr would actually be sagap == 0. But using state.AckFloor.Stream also doesn't work and results in sagap == 0, because o.store.UpdateAcks(dseq, sseq) is called first.

Should use the state prior to updating for both cases.

Signed-off-by: Maurice van Veen [email protected]

@MauriceVanVeen MauriceVanVeen requested a review from a team as a code owner February 27, 2025 12:16
if o.cfg.AckPolicy == AckAll {
// Always use the store state, as o.asflr is skipped ahead already.
// Capture before updating store.
state, err := o.store.State()
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Should we use BorrowState here maybe?

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Done

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Once green will merge.

@MauriceVanVeen MauriceVanVeen force-pushed the maurice/interest-ack-all branch from 6602c3d to f707a64 Compare February 27, 2025 15:11
@derekcollison derekcollison self-requested a review February 27, 2025 15:26
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LGTM

@derekcollison derekcollison merged commit 4791216 into main Feb 27, 2025
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@derekcollison derekcollison deleted the maurice/interest-ack-all branch February 27, 2025 16:10
neilalexander added a commit that referenced this pull request Apr 17, 2025
Includes the following (already cherry-picked) PRs:

- #6587
- #6607
- #6612
- #6609
- #6620
- #6668
- #6674
- #6647
- #6684
- #6691
- #6697
- #6705
- #6706
- #6704
- #6714
- #6720
- #6727
- #6730
- #6726
- #6732
- #6759
- #6753
- #6685
- #6769
- #6777
- #6785
- #6786
- #6778
- #6790
- #6791
- #6798
- #6794
- #6801

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

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