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send heartbeat once, and make the parent wait for it (cherry picked from commit a904cf5)
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## 8.2 #7458 +/- ##
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- Coverage 89.42% 89.40% -0.03%
==========================================
Files 253 253
Lines 40918 40908 -10
Branches 3725 3725
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- Hits 36590 36572 -18
- Misses 4279 4287 +8
Partials 49 49
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alonre24
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Nov 21, 2025
alonre24
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Jan 26, 2026
**Bug Fixes:** * [redis#7219](RediSearch/RediSearch#7219) Fix a concurrency issue on Reducer in `FT.AGGREGATE` * [redis#7255](RediSearch/RediSearch#7255) Fix `BM25STD` underflow wraparound * [redis#7275](RediSearch/RediSearch#7275) Report used memory as `unsigned long long` to avoid underflows * [redis#7264](RediSearch/RediSearch#7264) Fix `totalDocsLen` updates * [redis#6995](RediSearch/RediSearch#6995) Do not fanout `FT.INFO` to replicas * [redis#7350](RediSearch/RediSearch#7350) Fix `FT.CREATE` failure with LeanVec parameters on non-Intel architectures * [redis#7384](RediSearch/RediSearch#7384) Fix index load from RDB temporary memory overhead * [redis#7459](RediSearch/RediSearch#7459) Fix Fork GC potential double-free on error path * [redis#7458](RediSearch/RediSearch#7458) Fix a GC performence regression * [redis#7470](RediSearch/RediSearch#7470) Avoid draining worker thread pool from FLUSH callback to avoid deadlocks * [redis#7554](RediSearch/RediSearch#7554) Handle the case where `SCORE` is sent alone without extra fields (coordinator) * [redis#7685](RediSearch/RediSearch#7685) Fix cursor logical leak * [redis#7794](RediSearch/RediSearch#7794) Fix `cmp_strings()` to correctly handle binary data with embedded NULLs in TOLIST reducer in FT.AGGREGATE * [redis#7873](RediSearch/RediSearch#7873) Handle warnings in empty `FT.AGGREGATE` replies (cluster) * [redis#7886](RediSearch/RediSearch#7886) Remove non-TEXT fields from the spec keys dictionary * [redis#7904](RediSearch/RediSearch#7904) Refactor keys dictionary handling * [redis#7901](RediSearch/RediSearch#7901) Support multiple warnings in reply * [redis#8083](RediSearch/RediSearch#8083) Fix incorrect FULLTEXT field metric counts * [redis#8153](RediSearch/RediSearch#8153) Fix configuration registration issues **Improvements:** * [redis#7154](RediSearch/RediSearch#7154) `FT.AGGREGATE` can return Background Indexing OOM warnings * [redis#7083](RediSearch/RediSearch#7083) Add the default text scorer as a configuration option * [redis#7341](RediSearch/RediSearch#7341) Rename `FT.PROFILE` counter fields * [redis#7436](RediSearch/RediSearch#7436) Enhance `FT.PROFILE` with vector search execution details * [redis#7435](RediSearch/RediSearch#7435) Ensure full `FT.PROFILE` output on timeout with RETURN policy * [redis#7534](RediSearch/RediSearch#7534) Reduce the number of worker threads asynchronously to avoid deadlocks during queries * [redis#7614](RediSearch/RediSearch#7614) Track timeout warnings and errors in INFO * [redis#7646](RediSearch/RediSearch#7646) Track `maxprefixexpansions` warnings and errors in INFO * [redis#7577](RediSearch/RediSearch#7577) Track query syntax/argument errors (basis for query error tracking) * [redis#7737](RediSearch/RediSearch#7737) Add `Internal cursor reads` metric to cluster `FT.PROFILE` output * [redis#7759](RediSearch/RediSearch#7759) Extend indexing metrics * [redis#7710](RediSearch/RediSearch#7710) Support `WITHCOUNT` keyword in `FT.AGGREGATE` * [redis#7957](RediSearch/RediSearch#7957) Persist query warnings across cursor reads * [redis#8054](RediSearch/RediSearch#8054) Add logging for index-related commands * [redis#8151](RediSearch/RediSearch#8151) Fix shard total profile time reporting in `FT.PROFILE` * [redis#8103](RediSearch/RediSearch#8103) Output current thread IndexSpec information on crash
YaacovHazan
pushed a commit
to redis/redis
that referenced
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Jan 26, 2026
**Bug Fixes:** * [#7219](RediSearch/RediSearch#7219) Fix a concurrency issue on Reducer in `FT.AGGREGATE` * [#7255](RediSearch/RediSearch#7255) Fix `BM25STD` underflow wraparound * [#7275](RediSearch/RediSearch#7275) Report used memory as `unsigned long long` to avoid underflows * [#7264](RediSearch/RediSearch#7264) Fix `totalDocsLen` updates * [#6995](RediSearch/RediSearch#6995) Do not fanout `FT.INFO` to replicas * [#7350](RediSearch/RediSearch#7350) Fix `FT.CREATE` failure with LeanVec parameters on non-Intel architectures * [#7694](RediSearch/RediSearch#7694) Use asynchronous jobs for GC in SVS to accelerate execution * [#7384](RediSearch/RediSearch#7384) Fix index load from RDB temporary memory overhead * [#7459](RediSearch/RediSearch#7459) Fix Fork GC potential double-free on error path * [#7458](RediSearch/RediSearch#7458) Fix a GC performence regression * [#7470](RediSearch/RediSearch#7470) Avoid draining worker thread pool from FLUSH callback to avoid deadlocks * [#7554](RediSearch/RediSearch#7554) Handle the case where `SCORE` is sent alone without extra fields (coordinator) * [#7685](RediSearch/RediSearch#7685) Fix cursor logical leak * [#7794](RediSearch/RediSearch#7794) Fix `cmp_strings()` to correctly handle binary data with embedded NULLs in TOLIST reducer in FT.AGGREGATE * [#7873](RediSearch/RediSearch#7873) Handle warnings in empty `FT.AGGREGATE` replies (cluster) * [#7886](RediSearch/RediSearch#7886) Remove non-TEXT fields from the spec keys dictionary * [#7904](RediSearch/RediSearch#7904) Refactor keys dictionary handling * [#7901](RediSearch/RediSearch#7901) Support multiple warnings in reply * [#8083](RediSearch/RediSearch#8083) Fix incorrect FULLTEXT field metric counts * [#8153](RediSearch/RediSearch#8153) Fix configuration registration issues **Improvements:** * [#7154](RediSearch/RediSearch#7154) `FT.AGGREGATE` can return Background Indexing OOM warnings * [#7083](RediSearch/RediSearch#7083) Add the default text scorer as a configuration option * [#7341](RediSearch/RediSearch#7341) Rename `FT.PROFILE` counter fields * [#7436](RediSearch/RediSearch#7436) Enhance `FT.PROFILE` with vector search execution details * [#7435](RediSearch/RediSearch#7435) Ensure full `FT.PROFILE` output on timeout with RETURN policy * [#7534](RediSearch/RediSearch#7534) Reduce the number of worker threads asynchronously to avoid deadlocks during queries * [#7614](RediSearch/RediSearch#7614) Track timeout warnings and errors in INFO * [#7646](RediSearch/RediSearch#7646) Track `maxprefixexpansions` warnings and errors in INFO * [#7577](RediSearch/RediSearch#7577) Track query syntax/argument errors (basis for query error tracking) * [#7737](RediSearch/RediSearch#7737) Add `Internal cursor reads` metric to cluster `FT.PROFILE` output * [#7759](RediSearch/RediSearch#7759) Extend indexing metrics * [#7710](RediSearch/RediSearch#7710) Support `WITHCOUNT` keyword in `FT.AGGREGATE` * [#7957](RediSearch/RediSearch#7957) Persist query warnings across cursor reads * [#8054](RediSearch/RediSearch#8054) Add logging for index-related commands * [#8151](RediSearch/RediSearch#8151) Fix shard total profile time reporting in `FT.PROFILE` * [#8103](RediSearch/RediSearch#8103) Output current thread IndexSpec information on crash
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Description
Backport of #7441 to
8.2.Note
Replace per-step progress heartbeats with a single final heartbeat and explicit termination handshake; parent now waits for child’s final terminator, and progress tracking is removed.
RedisModule_SendChildHeartbeat(1.0)after scanning (FGC_childScanIndexes).FGC_sendTerminator(gc)at end of child to signal completion.FGC_parentHandle*phases, explicitlyFGC_recvFixeda finalSIZE_MAXterminator to ensure the child finished post-processing before termination.FGC_reportProgress,FGC_setProgress, and all call sites.ForkGC.progressfield fromsrc/fork_gc.h.Written by Cursor Bugbot for commit c23a0fd. This will update automatically on new commits. Configure here.