rabbit_fifo: Expose each smallest raft index in overview/1
#14493
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This is meant to be used as a debugging tool via an eval command. It can be hard to tell from the outside why a QQ is not snapshotting. Looking at the `overview/1` is a nice debugging tool. The `smallest_raft_index` key (and other keys like the `release_cursors`) points out why a snapshot isn't being taken. The `smallest_raft_index` is the minimum of three criteria though: * oldest ready message * oldest checked out message * oldest message in the dlx state This change adds all of those indexes so that it is clear which criteria is keeping the `smallest_raft_index` down.
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michaelklishin
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kjnilsson
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@the-mikedavis thank you. I will backport this all the way to |
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rabbit_fifo: Expose each smallest raft index in `overview/1` (backport #14493)
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This is meant to be used as a debugging tool via an eval command. It can be hard to tell from the outside why a QQ is not snapshotting. Looking at the
overview/1is a nice debugging tool. Thesmallest_raft_indexkey (and other info like therelease_cursors) point out why a snapshot isn't being taken. Thesmallest_raft_indexis the minimum of three criteria though:This change adds all of those indexes so that it is clear which criteria is keeping the
smallest_raft_indexdown.