Support Multiple Slot Ranges in search.CLUSTERSET - [MOD-11657]#7508
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Support Multiple Slot Ranges in search.CLUSTERSET - [MOD-11657]#7508
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Pull request overview
This PR adds support for multiple slot ranges per shard in the search.CLUSTERSET command for Redis Enterprise deployments. Previously, each shard could only have a single contiguous slot range, but Redis Enterprise can assign multiple non-contiguous ranges to the same shard.
Key Changes
- Modified the internal
RLShardstructure to store an array of slot ranges instead of a single start/end pair - Refactored the topology parsing logic to use a dictionary for aggregating multiple range entries for the same shard ID
- Added comprehensive C++ unit tests covering various scenarios including multiple ranges, replicas, and error conditions
Reviewed changes
Copilot reviewed 13 out of 13 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| src/coord/rmr/redise.c | Core parsing logic refactored to support multiple slot ranges per shard using dictionary-based aggregation |
| src/coord/rmr/redise.h | Added C++ extern linkage for the ParseTopology function |
| src/coord/rmr/cluster_topology.h | Exposed MRClusterNode_Free and MRClusterTopology_SortShards as public API |
| src/coord/rmr/cluster_topology.c | Moved sorting function from redis_cluster.c and made MRClusterNode_Free public |
| src/coord/rmr/redis_cluster.c | Removed local sortShards function, now using shared implementation |
| deps/rmutil/args.h | Added AC_GetU16 function declaration for parsing uint16_t values |
| deps/rmutil/args.c | Implemented AC_GetU16 function for slot range parsing |
| tests/cpptests/coord_tests/test_cpp_clusterset.cpp | Added comprehensive test suite with 30+ test cases |
| tests/cpptests/redismock/util.h | Added CreateArgv overload for std::vectorstd::string |
| tests/cpptests/redismock/util.cpp | Implemented CreateArgv for std::vector arguments |
| tests/cpptests/redismock/redismock.h | Added RMCK_GetLastError function declaration |
| tests/cpptests/redismock/redismock.cpp | Implemented ReplyWithError tracking and GetLastError |
| tests/cpptests/redismock/internal.h | Added last_error field to RedisModuleCtx for test validation |
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JoanFM
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Nov 25, 2025
JoanFM
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JoanFM
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JoanFM
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Are we sure we do not want to keep compatible with the two formats at least for a while?
JoanFM
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HASREPLICATION can be removed easily now from the ParseTopology logic?
JoanFM
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JoanFM
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Is it tested when ADDR and details of SHARD do not come in the first SLOTRANGE, but in another one? Is it still properly parsed?
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #7508 +/- ##
==========================================
- Coverage 85.03% 84.68% -0.36%
==========================================
Files 349 350 +1
Lines 53822 54107 +285
Branches 14384 14505 +121
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+ Hits 45769 45821 +52
- Misses 7857 8097 +240
+ Partials 196 189 -7
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JoanFM
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Nov 26, 2025
alonre24
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Nov 30, 2025
alonre24
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Nov 30, 2025
| MRClusterTopology *topo = RedisEnterprise_ParseTopology(ctx, argv, argc, &my_shard_idx); | ||
| // this means a parsing error, the parser already sent the explicit error to the client | ||
| if (!topo) { | ||
| RedisModule_Log(ctx, "warning", "Received invalid cluster topology"); |
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Let's add the faulty topology to the log
alonre24
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Nov 30, 2025
src/module.c
Outdated
| RedisModule_Log(ctx, "warning", "Received invalid cluster topology"); | ||
| return REDISMODULE_ERR; | ||
| } | ||
| RedisModule_Log(ctx, "notice", "Received new cluster topology with %u shards", topo->numShards); |
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Consider also adding the number of slot ranges tothe log
alonre24
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@GuyAv46 One more debugability request.
Also, please document everything you agreed upon with regards to the protocol documented here - https://redislabs.atlassian.net/wiki/spaces/DX/pages/5478907950/SEARCH.CLUSTERSET2+command
alonre24
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Dec 1, 2025
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* support multiple slot ranges * implement and move around helpers * add tests * ignore shards with no slots * improve parsing * better error message * fix flow tests * fix tests * sort by node id * improve error testing * cover missing cases * more error messages improvements * address AI review * stabilize Unexpected argument error path * stabilize more error paths * fix tests accordingly * last fix * add logs to cluster set command * add more logs per @alonre24 request (cherry picked from commit 5312b53)
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…#7589) * Support Multiple Slot Ranges in search.CLUSTERSET - [MOD-11657] (#7508) * support multiple slot ranges * implement and move around helpers * add tests * ignore shards with no slots * improve parsing * better error message * fix flow tests * fix tests * sort by node id * improve error testing * cover missing cases * more error messages improvements * address AI review * stabilize Unexpected argument error path * stabilize more error paths * fix tests accordingly * last fix * add logs to cluster set command * add more logs per @alonre24 request (cherry picked from commit 5312b53) * add missing fix to dictAddOrFind --------- Co-authored-by: GuyAv46 <[email protected]> Co-authored-by: GuyAv46 <[email protected]>
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Dec 3, 2025
* fix: Avoid Rust cache contamination across platforms. (#7569) * [MOD-12170] Implement ASM State Machine on notifications (#7331) * first commit * fix: handle lock in two phases * inform ownership in regular command process handlers * fix: handle proper init * fix: use conditional variable * fix: add some comments * test: add test proving deadlock * fix: changes as per comments * fix: remove this locking from conn * remove code where certainity is not so high * fix potential issue * test: add first unit tests version * test: add proper testing with the value proposition * test: improve testing * alternative using auxiliary lock * simplify thpool a bit * make sure RedisModule_Yield is protected * fix: fix issue raised by cursor * fix: handle potential deadlock in drain also * fix: fix potential TOCTOU concurrency bug * fix: fix order of release * fix: fix potential overflow issue * fix tests * fix: fix counts in all variables * small refactor * some refactoring of Shared Exclusive Lock * simplify * protect GILOwned simple bool * clarify some comments * set GILAlternativeLockHeld to true properly * fix spelling * add assertion * fix: fix import RS_LOG_ASSERT * test: add more conditions to testing * add some more logic * improve testing to proper signal main thread can finish while other threads may be waiting for the Shared Lock in the loop * test: handl test properly * add another pattern of tests * fix comments from cursor * fix concurrency bug * fix: fix potential race condition at release lock time * fix: add condition * test: add more testing * force testing further to capture more potential errors * parametrize tests * test: make tests a little faster * test: add micro benchmark * fix compile microbenchmarks * fix: avoid potential reentrant deadlocks * fix: avoid potential reentrant deadlocks * test: avoid leak in test * test: avoid leak in test * fix: fix assertion * fix: fix assertion * Simplify Shared Lock internals (#7267) * simplify shared lock * small improvement to set_timeout * fix comment * fix nd improve comments * condition fix * remove lock type from release API * Add lock type back to the release API * remove Unlocked from enum and handle clock init for macOS * adapt to use new API * chnange according to comments * handle PR comments * handle PR comments * fix: take shared lock in other cases * change as PR comments * test: simplify test, do not allow query errors * fix tests as per comments * fix: handle number of high priority jobs running * fix: fix test comment * add ASM to help slot tracking in notifications * test: add some testing idea * change as per PR comments * compile and link test fix * change draining method to drain high priority * add ctests for ASM State Machine * test: add ASM tests * test: complete tests * change as per PR comments * add micro benchmarks with jobs in threads * remove changes not wanted * checkout redis feature branch in task test * remove draining * move atomic to new header * remove _internal naming * fix formatting --------- Co-authored-by: GuyAv46 <[email protected]> * [MOD-12627] Add Debug Support for `FT.PROFILE` Command (#7510) * imp debug profile for SA: introduce in mocule.h: RSProfileCommandImp RSProfileCommand calls RSProfileCommandImp(isDebug = false) for regular execution ProfileCommandCommand_DebugWrapper mcalls it with isDebug=true and skips _FT.DEBUG introduce entrypoint for _FT.DEBUG FT.PROFILE in debug_commands: ProfileCommandCommand_DebugWrapper RSProfileCommandImp calls DEBUG_execCommandCommon is its debug _recursiveProfilePrint skips printing debug RP * pass is debug instead of extracting: module.h: replace declaration: DistAggregateCommand DistSearchCommand with Imp version that receives isDebug expose ProfileCommandHandlerImp align debug_commands introducr _FT.DEBUG _FT.PROFILE * add test for cluster * return res * augi fixes * fix spell check * fix for real * fix test * skip tests according to env * revrt test_profile changes * reove changes from internal_only * [MOD-12694] [MOD-12069] Add active_coord_threads metric (#7546) * Add multi-threading statistics tracking for active I/O threads * fix comment * add cpp test * fix spelling * address comment * remove unnecessary nre line * add "active_worker_threads" metric * fix comment imp tests * test cleanups * add test comne about the num queries and cleanups * fix declartion * remove coord threads * add active_coord_threads expose ConcurrentSearchPool_WorkingThreadCount * make the tests run... * add "active_worker_threads" metric * fix declartion * remove coord threads * make the tests run... * introduce workersThreadPool_isInitialized assert is initizlied in GlobalStats_GetMultiThreadingStats * cleanup * rename workersThreadPool_isCreated * introduce ConcurrentSearchPool_IsCreated * fix test * we dont need workers * remove ConcurrentSearchPool_IsCreated and workersThreadPool_isInitialized * fix merge * [MOD-12789] test: fix flaky thpool test (#7581) test: fix flaky thpool test * Support Multiple Slot Ranges in search.CLUSTERSET - [MOD-11657] (#7508) * support multiple slot ranges * implement and move around helpers * add tests * ignore shards with no slots * improve parsing * better error message * fix flow tests * fix tests * sort by node id * improve error testing * cover missing cases * more error messages improvements * address AI review * stabilize Unexpected argument error path * stabilize more error paths * fix tests accordingly * last fix * add logs to cluster set command * add more logs per @alonre24 request * rename MetricIterator to Metric (#7586) The other iterators are not suffixed with 'Iterator'. * [MOD-12701] Split the execution of Rust and C/C++ unit tests across two different CI steps. (#7587) Split the execution of Rust and C/C++ unit tests across two different CI steps. * [MOD-12519] implement skip multi in II iterators (#7426) * remove it->skipMulti No longer needed as the full iterators have been removed. The query ones always set it to true. * implement skip multi II query iterators are supposed to skip results having the same ids. Test ported from test_cpp_iterator_index.cpp * inline read() and skip_to() * test more ii iterator edge cases Port of GetCorrectValue and EOFAfterFiltering from test_cpp_iterator_index.cpp * Compress layers prior to exporting them to the Docker layer cache (#7529) * Compress Docker layers prior to exporting them. * Ignore boost subfolders recursively * [MOD-12417] Track maxprefixexpansions errors and warnings in info (#7570) track maxprefixexpanions * [MOD-12409]: Port DocumentType enum to Rust (#7590) Port DocumentType enum to Rust Port DocumentType enum to Rust as `document::DocumentType`, removing it from `redisearch.h`. Use `document::DocumentType` in `rlookup` instead of `rlookup::bindings::DocumentType`. * [MOD-12069] Add `*_pending_jobs` metrics (#7556) * align info/* to active_coord * add APIs to get queues length * add to info * fix * test * fix test * catch general error * rename * fix moduleArgs * rename * rename test_active_worker_threads * rename to wworketrs * [MOD-12392] Remove numDocs parameter from non-optimized Wildcard iterator (#7602) Remove numDocs parameter from non-optimized Wildcard iterator * [MOD-12701] Enforce a per-test timeout in the C++ rstest suite using ctest (#7588) * Enforce a per-test timeout in the C++ rstest suite using ctest * Disable problematic tests * Raise timeout to 60s * Raise timeout * Add a timeout for coordinator tests too * Skip ActivateIoThreadsMetric test * Register Cursor Sub-Commands as such - [MOD-12807, MOD-12808] (#7571) * split cursor command * fix and improve tests * cover error cases * fix cursor leaks * Add "TODO: run hybrid cursor" back * remove new empty line * small test improvement * fix FT.CURSOR GC * de-flake test * make CURSOR PROFILE internal only * test the free * Keep just the prints * test on macos and noble as well * Move the free * Remove * Add to non container * Back to regular test * Remove spaces * Moved the remove and add the repo size * Moved it again * Move it to after repo build * Move print after repo build * test all * run the temp flow * add mount to container * Fix curly --------- Co-authored-by: Luca Palmieri <[email protected]> Co-authored-by: Joan Fontanals <[email protected]> Co-authored-by: GuyAv46 <[email protected]> Co-authored-by: meiravgri <[email protected]> Co-authored-by: Guillaume Desmottes <[email protected]> Co-authored-by: lerman25 <[email protected]> Co-authored-by: Henk Oordt <[email protected]> Co-authored-by: alonre24 <[email protected]>
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* Reduce merge queue * add ability to run manually * CR comments * allow workflow call for testing * Fix naming in build image + remove quick from flow intel as well * use ubuntu nobel rather than latest * fix noble typo * CR fixes * CR fixes 2 * don't use container for cov and san * restore leftover * remove mac + intel and workflow call * remove macos intel from matrix * change back ubuntu:latest to ubuntu:noble in merge-to-queue as per Jonathan comment * measure disk space * fix step name * Free disk on container (RediSearch#7613) * fix: Avoid Rust cache contamination across platforms. (RediSearch#7569) * [MOD-12170] Implement ASM State Machine on notifications (RediSearch#7331) * first commit * fix: handle lock in two phases * inform ownership in regular command process handlers * fix: handle proper init * fix: use conditional variable * fix: add some comments * test: add test proving deadlock * fix: changes as per comments * fix: remove this locking from conn * remove code where certainity is not so high * fix potential issue * test: add first unit tests version * test: add proper testing with the value proposition * test: improve testing * alternative using auxiliary lock * simplify thpool a bit * make sure RedisModule_Yield is protected * fix: fix issue raised by cursor * fix: handle potential deadlock in drain also * fix: fix potential TOCTOU concurrency bug * fix: fix order of release * fix: fix potential overflow issue * fix tests * fix: fix counts in all variables * small refactor * some refactoring of Shared Exclusive Lock * simplify * protect GILOwned simple bool * clarify some comments * set GILAlternativeLockHeld to true properly * fix spelling * add assertion * fix: fix import RS_LOG_ASSERT * test: add more conditions to testing * add some more logic * improve testing to proper signal main thread can finish while other threads may be waiting for the Shared Lock in the loop * test: handl test properly * add another pattern of tests * fix comments from cursor * fix concurrency bug * fix: fix potential race condition at release lock time * fix: add condition * test: add more testing * force testing further to capture more potential errors * parametrize tests * test: make tests a little faster * test: add micro benchmark * fix compile microbenchmarks * fix: avoid potential reentrant deadlocks * fix: avoid potential reentrant deadlocks * test: avoid leak in test * test: avoid leak in test * fix: fix assertion * fix: fix assertion * Simplify Shared Lock internals (RediSearch#7267) * simplify shared lock * small improvement to set_timeout * fix comment * fix nd improve comments * condition fix * remove lock type from release API * Add lock type back to the release API * remove Unlocked from enum and handle clock init for macOS * adapt to use new API * chnange according to comments * handle PR comments * handle PR comments * fix: take shared lock in other cases * change as PR comments * test: simplify test, do not allow query errors * fix tests as per comments * fix: handle number of high priority jobs running * fix: fix test comment * add ASM to help slot tracking in notifications * test: add some testing idea * change as per PR comments * compile and link test fix * change draining method to drain high priority * add ctests for ASM State Machine * test: add ASM tests * test: complete tests * change as per PR comments * add micro benchmarks with jobs in threads * remove changes not wanted * checkout redis feature branch in task test * remove draining * move atomic to new header * remove _internal naming * fix formatting --------- Co-authored-by: GuyAv46 <[email protected]> * [MOD-12627] Add Debug Support for `FT.PROFILE` Command (RediSearch#7510) * imp debug profile for SA: introduce in mocule.h: RSProfileCommandImp RSProfileCommand calls RSProfileCommandImp(isDebug = false) for regular execution ProfileCommandCommand_DebugWrapper mcalls it with isDebug=true and skips _FT.DEBUG introduce entrypoint for _FT.DEBUG FT.PROFILE in debug_commands: ProfileCommandCommand_DebugWrapper RSProfileCommandImp calls DEBUG_execCommandCommon is its debug _recursiveProfilePrint skips printing debug RP * pass is debug instead of extracting: module.h: replace declaration: DistAggregateCommand DistSearchCommand with Imp version that receives isDebug expose ProfileCommandHandlerImp align debug_commands introducr _FT.DEBUG _FT.PROFILE * add test for cluster * return res * augi fixes * fix spell check * fix for real * fix test * skip tests according to env * revrt test_profile changes * reove changes from internal_only * [MOD-12694] [MOD-12069] Add active_coord_threads metric (RediSearch#7546) * Add multi-threading statistics tracking for active I/O threads * fix comment * add cpp test * fix spelling * address comment * remove unnecessary nre line * add "active_worker_threads" metric * fix comment imp tests * test cleanups * add test comne about the num queries and cleanups * fix declartion * remove coord threads * add active_coord_threads expose ConcurrentSearchPool_WorkingThreadCount * make the tests run... * add "active_worker_threads" metric * fix declartion * remove coord threads * make the tests run... * introduce workersThreadPool_isInitialized assert is initizlied in GlobalStats_GetMultiThreadingStats * cleanup * rename workersThreadPool_isCreated * introduce ConcurrentSearchPool_IsCreated * fix test * we dont need workers * remove ConcurrentSearchPool_IsCreated and workersThreadPool_isInitialized * fix merge * [MOD-12789] test: fix flaky thpool test (RediSearch#7581) test: fix flaky thpool test * Support Multiple Slot Ranges in search.CLUSTERSET - [MOD-11657] (RediSearch#7508) * support multiple slot ranges * implement and move around helpers * add tests * ignore shards with no slots * improve parsing * better error message * fix flow tests * fix tests * sort by node id * improve error testing * cover missing cases * more error messages improvements * address AI review * stabilize Unexpected argument error path * stabilize more error paths * fix tests accordingly * last fix * add logs to cluster set command * add more logs per @alonre24 request * rename MetricIterator to Metric (RediSearch#7586) The other iterators are not suffixed with 'Iterator'. * [MOD-12701] Split the execution of Rust and C/C++ unit tests across two different CI steps. (RediSearch#7587) Split the execution of Rust and C/C++ unit tests across two different CI steps. * [MOD-12519] implement skip multi in II iterators (RediSearch#7426) * remove it->skipMulti No longer needed as the full iterators have been removed. The query ones always set it to true. * implement skip multi II query iterators are supposed to skip results having the same ids. Test ported from test_cpp_iterator_index.cpp * inline read() and skip_to() * test more ii iterator edge cases Port of GetCorrectValue and EOFAfterFiltering from test_cpp_iterator_index.cpp * Compress layers prior to exporting them to the Docker layer cache (RediSearch#7529) * Compress Docker layers prior to exporting them. * Ignore boost subfolders recursively * [MOD-12417] Track maxprefixexpansions errors and warnings in info (RediSearch#7570) track maxprefixexpanions * [MOD-12409]: Port DocumentType enum to Rust (RediSearch#7590) Port DocumentType enum to Rust Port DocumentType enum to Rust as `document::DocumentType`, removing it from `redisearch.h`. Use `document::DocumentType` in `rlookup` instead of `rlookup::bindings::DocumentType`. * [MOD-12069] Add `*_pending_jobs` metrics (RediSearch#7556) * align info/* to active_coord * add APIs to get queues length * add to info * fix * test * fix test * catch general error * rename * fix moduleArgs * rename * rename test_active_worker_threads * rename to wworketrs * [MOD-12392] Remove numDocs parameter from non-optimized Wildcard iterator (RediSearch#7602) Remove numDocs parameter from non-optimized Wildcard iterator * [MOD-12701] Enforce a per-test timeout in the C++ rstest suite using ctest (RediSearch#7588) * Enforce a per-test timeout in the C++ rstest suite using ctest * Disable problematic tests * Raise timeout to 60s * Raise timeout * Add a timeout for coordinator tests too * Skip ActivateIoThreadsMetric test * Register Cursor Sub-Commands as such - [MOD-12807, MOD-12808] (RediSearch#7571) * split cursor command * fix and improve tests * cover error cases * fix cursor leaks * Add "TODO: run hybrid cursor" back * remove new empty line * small test improvement * fix FT.CURSOR GC * de-flake test * make CURSOR PROFILE internal only * test the free * Keep just the prints * test on macos and noble as well * Move the free * Remove * Add to non container * Back to regular test * Remove spaces * Moved the remove and add the repo size * Moved it again * Move it to after repo build * Move print after repo build * test all * run the temp flow * add mount to container * Fix curly --------- Co-authored-by: Luca Palmieri <[email protected]> Co-authored-by: Joan Fontanals <[email protected]> Co-authored-by: GuyAv46 <[email protected]> Co-authored-by: meiravgri <[email protected]> Co-authored-by: Guillaume Desmottes <[email protected]> Co-authored-by: lerman25 <[email protected]> Co-authored-by: Henk Oordt <[email protected]> Co-authored-by: alonre24 <[email protected]> * Revert "Free disk on container (RediSearch#7613)" This reverts commit 9c68740. * add free disk step * rename + remove temp test * remove leftover * better readability in container input Co-authored-by: GuyAv46 <[email protected]> * fix double defaults --------- Co-authored-by: dor-forer <[email protected]> Co-authored-by: Luca Palmieri <[email protected]> Co-authored-by: Joan Fontanals <[email protected]> Co-authored-by: GuyAv46 <[email protected]> Co-authored-by: meiravgri <[email protected]> Co-authored-by: Guillaume Desmottes <[email protected]> Co-authored-by: lerman25 <[email protected]> Co-authored-by: Henk Oordt <[email protected]>
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Add multi-range-per-shard support and a stricter
SEARCH.CLUSTERSETparser with deterministic shard ordering, updated topology utilities, and extensive tests/mocks.search.CLUSTERSET):SLOTRANGEs per shard, replica ignoring, endpoint/UNIX socket validation, and detailed offset-based errors.MYID), sort shards deterministically, and build topology accordingly.MRClusterTopology_SortShards(sort by node id) and use it in Redis OSS topology fetch.MRClusterNode_Freein header.AC_GetU16helper for 16-bit slot values.SEARCH.CLUSTERINFO.ReplyWithErrorFormat; add argv-from-vector helpers.Written by Cursor Bugbot for commit 6e1abd0. This will update automatically on new commits. Configure here.