Fix stale RDB restore counters inflating number_of_indexes metric - #1312
Fix stale RDB restore counters inflating number_of_indexes metric#1312Shikha-code36 wants to merge 2 commits into
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Suggested reviewers: Merge Risk: ⚪ Minimal · up to The change prevents stale restore counters from inflating the index metric after RDB loading; no actionable merge-blocking risk remains after normal checks and review. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@src/rdb_serialization.cc`:
- Around line 177-183: Update the clear_restore_progress cleanup to also reset
rdb_restore_current_index_keys_total and rdb_restore_current_index_keys_loaded,
clearing every per-load restore counter on success or failure. Narrow the
comment at the later cleanup-related location if it currently claims broader
coverage than the implementation provides.
In `@src/schema_manager.cc`:
- Around line 835-847: Update the pending calculation in SchemaManager’s
index-count logic to compare rdb_restore_total_indexes and
rdb_restore_completed_indexes before subtracting, preventing unsigned underflow;
only subtract when total is greater than completed, otherwise use zero.
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Actionable comments posted: 1
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Inline comments:
In `@src/schema_manager.cc`:
- Around line 835-839: Update the comment near the pending RDB-load index
calculation to remove the stale claim that counters persist between loads; state
that the residual is meaningful only during an active load and that RDB sections
may include non-index sections such as global coordinator metadata.
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Fixes valkey-io#1289. Also resolves valkey-io#1275 (rdb_indexes_restored_percent stuck below 100 after load) since it shares the same root cause. rdb_restore_total_indexes counts RDB sections (including the coordinator's non-index GLOBAL_METADATA section) while rdb_restore_completed_indexes only counts index schemas, so the two never converge when coordinator metadata is present. The residual was never reset after a load and was added into number_of_indexes unconditionally, permanently inflating it. - Gate the residual term on rdb_restore_in_progress so it only applies while a load is actually running. - Reset the restore counters on every exit path of PerformRDBLoad (success or failure) via absl::Cleanup, not just the success path. Signed-off-by: Shikha Pandey <shikha.py36@gmail.com>
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/rerun |
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@mohanrajendran, I have rerun it let me know anything else require on my end. |
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Hi @allenss-amazon, could you please take a look at this PR when you get a chance? It fixes stale RDB restore counters inflating the number_of_indexes metric and ensures the restore counters are reset on all exit paths. Tests are passing. Would appreciate a review and approval if everything looks good. Thanks! |
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/assign-reviewers |
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Reviewers for this PR
Assigned automatically to the least-assigned members of the reviewer pools in |
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/label 1.3.0 |
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Hi @Shikha-code36 👋 — flagging this as a P1 launch blocker for valkey-search 1.3 RC1. We're cutting the release branch the morning of Sept 14 (RC1 lands Sept 15), so all P1s need to be merged before then. First-pass reviewer: @Frank-Gu-81 — if your first-pass review is already done, please ignore this message; otherwise, please prioritize getting this PR reviewed. Second-pass reviewer: @allenss-amazon — please take a look/followup with the final review and merge once everything looks good. If anything is blocking merge (open changes, CI, design questions), drop a note here so we can unblock quickly. Board: #1346. Thanks so much! 🙏 |
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Summary
Fix
Test plan