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@grobinson-grafana grobinson-grafana commented Nov 25, 2024

What this PR does / why we need it:

This commit updates reader_service.go to use a separate variable to track the consume offset instead of mutating the last committed offset. I found this makes the code easier to follow as the last committed offset does not change.

Which issue(s) this PR fixes:
Fixes #

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Checklist

  • Reviewed the CONTRIBUTING.md guide (required)
  • Documentation added
  • Tests updated
  • Title matches the required conventional commits format, see here
    • Note that Promtail is considered to be feature complete, and future development for logs collection will be in Grafana Alloy. As such, feat PRs are unlikely to be accepted unless a case can be made for the feature actually being a bug fix to existing behavior.
  • Changes that require user attention or interaction to upgrade are documented in docs/sources/setup/upgrade/_index.md
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@grobinson-grafana grobinson-grafana requested a review from a team as a code owner November 25, 2024 09:25
if lastCommittedOffset >= 0 {
lastCommittedOffset++ // We want to begin to read from the next offset, but only if we've previously committed an offset.
consumeOffset := kafkaStartOffset
if lastCommittedOffset > 0 {
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Owen's PR changed this from > 0 to >= 0. I assume 0 is a valid commit offset (the 0th message), so we should read from 1?

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@ashwanthgoli ashwanthgoli left a comment

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lgtm

This commit updates reader_service.go to use a separate variable to
track the consume offset instead of mutating the last committed
offset. I found this makes the code easier to follow as the last
committed offset does not change.
@grobinson-grafana grobinson-grafana merged commit 161a192 into main Nov 25, 2024
58 checks passed
@grobinson-grafana grobinson-grafana deleted the grobinson/small-cleanup branch November 25, 2024 10:18
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