Sandbox::https://github.com/seredis/StackExchange.Redis/pull/3312

mgravell · 2026-10-30T11:28:01Z

Prompted by redis/redis#15331 (native roaring bitmaps, 8.12), which adds a new object type: TYPE replies bitmap, OBJECT ENCODING replies bitmap-roaring, and bit writes emit keyspace events under a new class b.

From that PR

RedisType.Bitmap (bitmap). A string bitmap still reports String; only the native representation reports Bitmap. No code path changes: KeyType parses it instead of returning Unknown.
KeyNotificationType.SetBit (setbit). Emitted under class $ for string bitmaps and class b for native ones. The event name predates the PR but was missing here.
OBJECT ENCODING is returned as a string by KeyEncoding, so bitmap-roaring needs nothing.

Found by cross-checking the enums

Two sources: every notifyKeyspaceEvent(...) name and the TYPE name table in redis/redis unstable, and the events table at https://redis.io/docs/latest/develop/pubsub/keyspace-notifications/.

KeyNotificationType: ArInsert, ArMSet, ArRing, ArSeek, PfAdd, SExpire, SPersist, SInterStore, SUnionStore, SDiffStore, ZRangeStore, and KeyMiss (class m, placed in the side-effect group at 1005).
Bug fix: KeyNotificationType.Copy carried the token copy, but the server emits copy_to (the docs page: "COPY generates a copy_to event"). The token never parsed, and RedisChannel.KeyEvent(KeyNotificationType.Copy) subscribed to a channel that never fires. Token corrected; member name and value unchanged.
Everything else on the docs page was already present.

Intentionally excluded

gcra (a TYPE name and an event name still present in unstable): the GCRA feature was withdrawn before release and has no command spec, so no enum member until it ships, if it does.
bless/unbless (8.12 events): belong with Redis 8.12 BLESS (eviction protection) support #3261, which should own the numbering.

Both parsers are [AsciiHash]-generated, so each addition is an attributed enum member plus a row in the existing token-table tests. Public API tracked in PublicAPI.Unshipped.txt. No [Experimental] on the enum members, matching VectorSet and Array.

Happy to drop the second section to a separate PR if you'd rather keep this to the bitmap change.

… tokens that diff turned up RedisType gains Bitmap ("bitmap", the TYPE reply for a native roaring bitmap, 8.12) and Gcra ("gcra", already in the server's type-name table). KeyNotificationType gains SetBit (emitted under class $ for string bitmaps and class b for native ones) and the other event names the server emits that the enum lacked: arinsert, armset, arring, arseek, gcra, pfadd, sexpire, spersist, sinterstore, zrangestore, and keymiss (class m, side effect group). Fixes the Copy token: the server has only ever emitted "copy_to", so the "copy" token never parsed and a RedisChannel.KeyEvent(KeyNotificationType.Copy) subscription never fired. The member and its value are unchanged. Both parsers are generated from [AsciiHash]; tests extend the token tables.

… for the token to match

…cs); drop the history comment on Copy

Resolves the KeyNotificationType collision with #3312: Bless and Unbless move from 54/55 to 66/67, after the merged SetBit..SDiffStore range, and the bless/unbless tokens join the parser test table. Experiments.cs and Directory.Build.props take main's retirement of SER010 and keep SER011.

This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [StackExchange.Redis](https://seredis.dev/) ([source](https://github.com/StackExchange/StackExchange.Redis)) | nuget | patch | `3.4.20` → `3.4.29` | --- ### Release Notes <details> <summary>StackExchange/StackExchange.Redis (StackExchange.Redis)</summary> ### [`v3.4.29`](https://github.com/StackExchange/StackExchange.Redis/releases/tag/3.4.29) [Compare Source](seredis/StackExchange.Redis@3.4.20...3.4.29) #### What's Changed - (stabilty) Reset a CycleBuffer segment's start trim when it is recycled ([#3302](seredis/StackExchange.Redis#3302)) by [@mgravell](https://github.com/mgravell) in [#3303](seredis/StackExchange.Redis#3303) - Restore: make the dedicated subscription connection lazy by [@mgravell](https://github.com/mgravell) in [#3310](seredis/StackExchange.Redis#3310) - Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values by [@mgravell](https://github.com/mgravell) in [#3312](seredis/StackExchange.Redis#3312) - Fix ConnectionGroupMember string-ctor dropping the name by [@mgravell](https://github.com/mgravell) in [#3314](seredis/StackExchange.Redis#3314) - Parse unbracketed IPv6 ip:port from the server ([#1422](seredis/StackExchange.Redis#1422)) by [@mgravell](https://github.com/mgravell) in [#3307](seredis/StackExchange.Redis#3307) - Profile commands sent in a batch ([#2175](seredis/StackExchange.Redis#2175)) by [@mohsinaliwork686-rgb](https://github.com/mohsinaliwork686-rgb) in [#3313](seredis/StackExchange.Redis#3313) #### Tooling - gitignore: .claude is per-user state except .claude/skills by [@mgravell](https://github.com/mgravell) in [#3306](seredis/StackExchange.Redis#3306) - Command coverage ledger and audit skill by [@mgravell](https://github.com/mgravell) in [#3311](seredis/StackExchange.Redis#3311) - Update public API docs by [@mgravell](https://github.com/mgravell) in [#3429](https://github.com/StackExchange/StackExchange.Redis/pull/3429) #### New Contributors - [@mohsinaliwork686-rgb](https://github.com/mohsinaliwork686-rgb) made their first contribution in [#3313](seredis/StackExchange.Redis#3313) **Full Changelog**: <seredis/StackExchange.Redis@3.4.20...3.4.29> </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate).  Reviewed-on: https://git.milkshake.services/FloatingMilkshake/Azusa/pulls/13 Reviewed-by: Milkshake <me@floatingmilkshake.com>

This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [StackExchange.Redis](https://seredis.dev/) ([source](https://github.com/StackExchange/StackExchange.Redis)) | nuget | patch | `3.4.20` → `3.4.29` | --- ### Release Notes <details> <summary>StackExchange/StackExchange.Redis (StackExchange.Redis)</summary> ### [`v3.4.29`](https://github.com/StackExchange/StackExchange.Redis/releases/tag/3.4.29) [Compare Source](seredis/StackExchange.Redis@3.4.20...3.4.29) #### What's Changed - (stabilty) Reset a CycleBuffer segment's start trim when it is recycled ([#3302](seredis/StackExchange.Redis#3302)) by [@mgravell](https://github.com/mgravell) in [#3303](seredis/StackExchange.Redis#3303) - Restore: make the dedicated subscription connection lazy by [@mgravell](https://github.com/mgravell) in [#3310](seredis/StackExchange.Redis#3310) - Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values by [@mgravell](https://github.com/mgravell) in [#3312](seredis/StackExchange.Redis#3312) - Fix ConnectionGroupMember string-ctor dropping the name by [@mgravell](https://github.com/mgravell) in [#3314](seredis/StackExchange.Redis#3314) - Parse unbracketed IPv6 ip:port from the server ([#1422](seredis/StackExchange.Redis#1422)) by [@mgravell](https://github.com/mgravell) in [#3307](seredis/StackExchange.Redis#3307) - Profile commands sent in a batch ([#2175](seredis/StackExchange.Redis#2175)) by [@mohsinaliwork686-rgb](https://github.com/mohsinaliwork686-rgb) in [#3313](seredis/StackExchange.Redis#3313) #### Tooling - gitignore: .claude is per-user state except .claude/skills by [@mgravell](https://github.com/mgravell) in [#3306](seredis/StackExchange.Redis#3306) - Command coverage ledger and audit skill by [@mgravell](https://github.com/mgravell) in [#3311](seredis/StackExchange.Redis#3311) - Update public API docs by [@mgravell](https://github.com/mgravell) in [#3429](https://github.com/StackExchange/StackExchange.Redis/pull/3429) #### New Contributors - [@mohsinaliwork686-rgb](https://github.com/mohsinaliwork686-rgb) made their first contribution in [#3313](seredis/StackExchange.Redis#3313) **Full Changelog**: <seredis/StackExchange.Redis@3.4.20...3.4.29> </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate).  Reviewed-on: https://git.milkshake.services/FloatingMilkshake/MechanicalMilkshake/pulls/13 Reviewed-by: Milkshake <me@floatingmilkshake.com>

…, batch profiling, API promotion (#3322) * Make the dedicated subscription connection lazy (#3310) The dedicated pub/sub connection (always under RESP2; under RESP3 unless SharedSubscriptionConnection is enabled) was opened eagerly as part of activating every endpoint, so a client that never subscribes to anything still paid for a second socket per node, and a second reconnect per node on every failover. Seen on AMR, whose options provider disables the configuration channel: 3.4.x showed two RESP3 connections where 3.0.x showed one. ActivateServer now opens that connection only when there is something to subscribe to straight away: a configuration channel, or subscriptions that already exist (and may need to move to this endpoint). Otherwise it is created on first use, via the existing GetBridge paths; with the default backlog policy the first SUBSCRIBE queues until it is up. The connect wait ("second leg") and the maintenance handoff deadline treated an absent subscription bridge as a disconnected one, which would have left connects hanging; they now consider a connection that has not been asked for as not required. The endpoint-state connect log says "NotRequired" for that case instead of "Disconnected". Tests: AzureManagedRedisConnectionCount now asserts one connection before pub/sub and the expected count after; a new test covers the eager case when a configuration channel is set; two tests that relied on the eager subscription connection now subscribe first. * Command coverage ledger and audit skill (#3311) * Command coverage ledger and audit skill Adds docs/CommandCoverage.md: every upstream Redis command the library does not expose as a typed API, grouped and with a recorded decision (policy, not applicable, deferred, todo, deprecated, enum-only, implemented). Seeded from a diff of redis/redis src/commands (477 specs, @6a5fee67) against the RedisCommand enum and source; it carries forward the dispositions from #2055 (blocking is policy, Functions and ACL are deferred) and replaces that hand-maintained list. Adds the audit-command-coverage skill and its script, which re-runs the diff on request and reports only what changed: new upstream commands with no decision, ledger rows the code now covers, rows the spec no longer has, and enum members the spec does not know. The script exits non-zero when the ledger needs editing. Closes #2055. * Ledger: CLIENT TRACKING is v4, cluster/COMMAND introspection is administration, CLUSTER SHARDS note corrected * Ledger: CLIENT PAUSE/UNPAUSE are operator tooling, not applicable * Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values (#3312) * Object-type metadata for native bitmaps (redis/redis#15331), plus the tokens that diff turned up RedisType gains Bitmap ("bitmap", the TYPE reply for a native roaring bitmap, 8.12) and Gcra ("gcra", already in the server's type-name table). KeyNotificationType gains SetBit (emitted under class $ for string bitmaps and class b for native ones) and the other event names the server emits that the enum lacked: arinsert, armset, arring, arseek, gcra, pfadd, sexpire, spersist, sinterstore, zrangestore, and keymiss (class m, side effect group). Fixes the Copy token: the server has only ever emitted "copy_to", so the "copy" token never parsed and a RedisChannel.KeyEvent(KeyNotificationType.Copy) subscription never fired. The member and its value are unchanged. Both parsers are generated from [AsciiHash]; tests extend the token tables. * Drop Gcra: the type was withdrawn before release, so there is nothing for the token to match * Add sunionstore/sdiffstore events (from the keyspace-notifications docs); drop the history comment on Copy * Fix ConnectionGroupMember string-ctor dropping the name (#3314) * Forward the name argument in ConnectionGroupMember's string constructor The string overload chained to the ConfigurationOptions constructor without passing `name`, so every member built from a configuration string (the idiom used throughout docs/Failover.md) was named after its first endpoint by Init() instead of the name the caller gave it. Regression test added. * Parenthesize a Debug-only assertion that trips SA1407 `endSegmentLength == 0 & endSegmentCommitted == 0` in DebugAssertValid sits inside `#if DEBUG`, so CI (Release) never compiles it and never saw the StyleCop error; any local Debug build of RESPite failed with TreatWarningsAsErrors. Introduced by ee47e53 after the StyleCop bump in aa1e5c0. * Parse unbracketed IPv6 ip:port from the server (#1422) (#3307) * Parse unbracketed IPv6 ip:port from the server (#1422) CLUSTER NODES, MOVED/ASK and CLIENT LIST write IPv6 addresses without brackets, i.e. "2a06:4e80:3:a::a:7000". The RFC 3986 parser used for configuration strings reads that as a (valid!) eight-group address with no port, so cluster nodes ended up as "[2a06:4e80:3:a::a:7000]:0" and redirections and client addresses were equally wrong. Add Format.TryParseServerEndPoint for the server's "ip:port" form: when there is no ']' and more than one ':', split at the last colon and require both halves to parse; anything else goes to the existing parser unchanged, so configuration parsing is not touched. Use it at the three sites that receive server-emitted text. The sentinel +switch-master handler gets host and port as separate tokens and was gluing them back together with ':' before parsing; pass them to the (host, port) overload instead. * Parse unbracketed IPv6 in MOVING/SMIGRATED endpoints ParseMigrationEndPoint used the configuration-string parser, so an unbracketed IPv6 address parsed as an address with port 0, which the placeholder check then discarded. Use TryParseServerEndPoint, as the other server-emitted sites do; tests for the MOVING successor and SMIGRATED source/target. * Profile commands sent in a batch (#2175) (#3313) Co-authored-by: mohsinaliwork686-rgb <229973101+mohsinaliwork686-rgb@users.noreply.github.com> * public-api.py: apply *REMOVED* at promotion; promote the API surface since 3.4.0 (#3316) * public-api.py: apply *REMOVED* entries at promotion instead of copying them The analyzer records a vanished shipped signature as a *REMOVED* line in the unshipped file. Promotion moved every unshipped line across verbatim, so a promotion after any such change would have left the shipped file with both the dead signature and a *REMOVED* copy of it, and the analyzer would then fail the build on the dead one (RS0017). Promotion now consumes the marker: the named signature is dropped from the shipped file, the marker is not carried over, and a marker that names nothing shipped is an error. A *REMOVED* line already sitting in a shipped file is also reported. The "+N promoted" note gains "-N removed", and an unshipped file holding only removals is still emptied. * Promote the shipped API surface: everything since 3.4.0 eng/public-api.py --promote. Fifty-two StackExchange.Redis entries (the lag-aware availability surface, FailbackHealthCheck, HealthCheckProbeScope, the 8.12-independent RedisType and KeyNotificationType tokens) and the net6.0 SetUserPemCertificate overload move to shipped; the three parameter renames from #3296 (muxer -> multiplexer on the Azure providers' AfterConnectAsync, other -> obj on RESPite AsciiHash.Equals) are applied rather than copied. Every unshipped file is now empty. * Split third-party notices out of LICENSE so GitHub detects MIT (#3317) * Split third-party notices out of LICENSE so GitHub detects MIT The LICENSE file carried ~1.1KB of third-party notes after the MIT text, which drops it below licensee's similarity threshold; GitHub reports the repo license as "Other" (SPDX NOASSERTION). Keep LICENSE as the bare MIT text and move the notes, verbatim, to THIRD-PARTY-NOTICES.md. * Correct the third-party notices - Redis: BSD-3 only through 7.2; RSALv2/SSPLv1 from 7.4, AGPLv3 added in 8.0; point at redis.io/legal/licenses (the old /topics/license URL now redirects to the docs landing page). - redis-doc: repo is archived under redis/redis-doc; note that redis/docs, its successor, is CC BY-NC-SA for newer content. - Drop the Redis-64 and BookSleeve notes: neither is part of the development solution any more. - Add the code actually incorporated from other projects (dotnet/runtime, dotnet/corefx, aspnet/BasicMiddleware) and the test-only redis-sharp copy, none of which the old notes mentioned. --------- Co-authored-by: Mohsin Ali <mohsin.ali.work686@gmail.com> Co-authored-by: mohsinaliwork686-rgb <229973101+mohsinaliwork686-rgb@users.noreply.github.com>

…eyed routing tests, SER1xx experiment block (#3355) * Make the dedicated subscription connection lazy (#3310) The dedicated pub/sub connection (always under RESP2; under RESP3 unless SharedSubscriptionConnection is enabled) was opened eagerly as part of activating every endpoint, so a client that never subscribes to anything still paid for a second socket per node, and a second reconnect per node on every failover. Seen on AMR, whose options provider disables the configuration channel: 3.4.x showed two RESP3 connections where 3.0.x showed one. ActivateServer now opens that connection only when there is something to subscribe to straight away: a configuration channel, or subscriptions that already exist (and may need to move to this endpoint). Otherwise it is created on first use, via the existing GetBridge paths; with the default backlog policy the first SUBSCRIBE queues until it is up. The connect wait ("second leg") and the maintenance handoff deadline treated an absent subscription bridge as a disconnected one, which would have left connects hanging; they now consider a connection that has not been asked for as not required. The endpoint-state connect log says "NotRequired" for that case instead of "Disconnected". Tests: AzureManagedRedisConnectionCount now asserts one connection before pub/sub and the expected count after; a new test covers the eager case when a configuration channel is set; two tests that relied on the eager subscription connection now subscribe first. * Command coverage ledger and audit skill (#3311) * Command coverage ledger and audit skill Adds docs/CommandCoverage.md: every upstream Redis command the library does not expose as a typed API, grouped and with a recorded decision (policy, not applicable, deferred, todo, deprecated, enum-only, implemented). Seeded from a diff of redis/redis src/commands (477 specs, @6a5fee67) against the RedisCommand enum and source; it carries forward the dispositions from #2055 (blocking is policy, Functions and ACL are deferred) and replaces that hand-maintained list. Adds the audit-command-coverage skill and its script, which re-runs the diff on request and reports only what changed: new upstream commands with no decision, ledger rows the code now covers, rows the spec no longer has, and enum members the spec does not know. The script exits non-zero when the ledger needs editing. Closes #2055. * Ledger: CLIENT TRACKING is v4, cluster/COMMAND introspection is administration, CLUSTER SHARDS note corrected * Ledger: CLIENT PAUSE/UNPAUSE are operator tooling, not applicable * Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values (#3312) * Object-type metadata for native bitmaps (redis/redis#15331), plus the tokens that diff turned up RedisType gains Bitmap ("bitmap", the TYPE reply for a native roaring bitmap, 8.12) and Gcra ("gcra", already in the server's type-name table). KeyNotificationType gains SetBit (emitted under class $ for string bitmaps and class b for native ones) and the other event names the server emits that the enum lacked: arinsert, armset, arring, arseek, gcra, pfadd, sexpire, spersist, sinterstore, zrangestore, and keymiss (class m, side effect group). Fixes the Copy token: the server has only ever emitted "copy_to", so the "copy" token never parsed and a RedisChannel.KeyEvent(KeyNotificationType.Copy) subscription never fired. The member and its value are unchanged. Both parsers are generated from [AsciiHash]; tests extend the token tables. * Drop Gcra: the type was withdrawn before release, so there is nothing for the token to match * Add sunionstore/sdiffstore events (from the keyspace-notifications docs); drop the history comment on Copy * Fix ConnectionGroupMember string-ctor dropping the name (#3314) * Forward the name argument in ConnectionGroupMember's string constructor The string overload chained to the ConfigurationOptions constructor without passing `name`, so every member built from a configuration string (the idiom used throughout docs/Failover.md) was named after its first endpoint by Init() instead of the name the caller gave it. Regression test added. * Parenthesize a Debug-only assertion that trips SA1407 `endSegmentLength == 0 & endSegmentCommitted == 0` in DebugAssertValid sits inside `#if DEBUG`, so CI (Release) never compiles it and never saw the StyleCop error; any local Debug build of RESPite failed with TreatWarningsAsErrors. Introduced by ee47e53 after the StyleCop bump in aa1e5c0. * Parse unbracketed IPv6 ip:port from the server (#1422) (#3307) * Parse unbracketed IPv6 ip:port from the server (#1422) CLUSTER NODES, MOVED/ASK and CLIENT LIST write IPv6 addresses without brackets, i.e. "2a06:4e80:3:a::a:7000". The RFC 3986 parser used for configuration strings reads that as a (valid!) eight-group address with no port, so cluster nodes ended up as "[2a06:4e80:3:a::a:7000]:0" and redirections and client addresses were equally wrong. Add Format.TryParseServerEndPoint for the server's "ip:port" form: when there is no ']' and more than one ':', split at the last colon and require both halves to parse; anything else goes to the existing parser unchanged, so configuration parsing is not touched. Use it at the three sites that receive server-emitted text. The sentinel +switch-master handler gets host and port as separate tokens and was gluing them back together with ':' before parsing; pass them to the (host, port) overload instead. * Parse unbracketed IPv6 in MOVING/SMIGRATED endpoints ParseMigrationEndPoint used the configuration-string parser, so an unbracketed IPv6 address parsed as an address with port 0, which the placeholder check then discarded. Use TryParseServerEndPoint, as the other server-emitted sites do; tests for the MOVING successor and SMIGRATED source/target. * Profile commands sent in a batch (#2175) (#3313) Co-authored-by: mohsinaliwork686-rgb <229973101+mohsinaliwork686-rgb@users.noreply.github.com> * public-api.py: apply *REMOVED* at promotion; promote the API surface since 3.4.0 (#3316) * public-api.py: apply *REMOVED* entries at promotion instead of copying them The analyzer records a vanished shipped signature as a *REMOVED* line in the unshipped file. Promotion moved every unshipped line across verbatim, so a promotion after any such change would have left the shipped file with both the dead signature and a *REMOVED* copy of it, and the analyzer would then fail the build on the dead one (RS0017). Promotion now consumes the marker: the named signature is dropped from the shipped file, the marker is not carried over, and a marker that names nothing shipped is an error. A *REMOVED* line already sitting in a shipped file is also reported. The "+N promoted" note gains "-N removed", and an unshipped file holding only removals is still emptied. * Promote the shipped API surface: everything since 3.4.0 eng/public-api.py --promote. Fifty-two StackExchange.Redis entries (the lag-aware availability surface, FailbackHealthCheck, HealthCheckProbeScope, the 8.12-independent RedisType and KeyNotificationType tokens) and the net6.0 SetUserPemCertificate overload move to shipped; the three parameter renames from #3296 (muxer -> multiplexer on the Azure providers' AfterConnectAsync, other -> obj on RESPite AsciiHash.Equals) are applied rather than copied. Every unshipped file is now empty. * Split third-party notices out of LICENSE so GitHub detects MIT (#3317) * Split third-party notices out of LICENSE so GitHub detects MIT The LICENSE file carried ~1.1KB of third-party notes after the MIT text, which drops it below licensee's similarity threshold; GitHub reports the repo license as "Other" (SPDX NOASSERTION). Keep LICENSE as the bare MIT text and move the notes, verbatim, to THIRD-PARTY-NOTICES.md. * Correct the third-party notices - Redis: BSD-3 only through 7.2; RSALv2/SSPLv1 from 7.4, AGPLv3 added in 8.0; point at redis.io/legal/licenses (the old /topics/license URL now redirects to the docs landing page). - redis-doc: repo is archived under redis/redis-doc; note that redis/docs, its successor, is CC BY-NC-SA for newer content. - Drop the Redis-64 and BookSleeve notes: neither is part of the development solution any more. - Add the code actually incorporated from other projects (dotnet/runtime, dotnet/corefx, aspnet/BasicMiddleware) and the test-only redis-sharp copy, none of which the old notes mentioned. * The read loop stops matching replies once teardown owns the response queue; a close with commands in flight no longer completes a call with the previous call's reply (#3330) RecordConnectionFailed drains _writtenAwaitingResponse one message at a time, completing each outside the lock, while the read loop can still be matching replies that were already in the receive buffer. Each reply the loop matched after the drain had taken a message went to the message *after* the one it answered: GET key N completed, successfully, with key N-1's value, and every reply behind it was off by one. Reproduced on main with the reporter's loop: 616 wrong replies in 20,000 calls. _isShutdown was already set under the queue's lock before the drain, and the loop already consulted it - but only once the queue was empty. Checking it before the dequeue closes the race: a reply arriving after teardown has begun is dropped with the connection, and the message it answered is failed by the drain as before. The test re-creates the scenario against the real server (20 rounds of 500 in-flight GETs closed with allowCommandsToComplete: false) and asserts that no call completes with another call's value; without the fix it sees ~200 in a run. Fixes #3329 * CLUSTER SLOT-STATS (8.2): per-slot usage statistics on IServer, experimental SER012 (#3341) * CLUSTER SLOT-STATS (8.2): per-slot usage statistics on IServer, experimental SER012 IServer.ClusterSlotStatsBySlotRange(Async) and ClusterSlotStatsOrderBy(Async), modelled on the CLUSTER SLOTS file layout and the HOTKEYS field handling: node-local read, lenient nominal parsing, config-gated metrics as nullable properties (absent != zero), unknown metrics preserved as Metadata, cpu-usec surfaced as TimeSpan. RedisFeatures.ClusterSlotStats gates on 8.2 RC1. Promotes the CommandCoverage 'deferred' row. * The storage-kind tripwire acknowledges SLOT-STATS and SLOTSRANGE: two new >8-byte literals, 28 -> 30 * Check the maximum operation count in HeartbeatConsistencyCheckPingsAsync (#3342) * In-repo links follow the org move to seredis (#3326): github.com/StackExchange/StackExchange.Redis -> github.com/seredis/StackExchange.Redis everywhere, including the nupkg RepositoryUrl/PackageReleaseNotes metadata (#3344) * MOVING handoff: hold new work in the backlog while the in-flight commands drain, so the recycle happens within a round trip instead of at the window end (#3347) * MOVING handoff: hold new work in the backlog while the in-flight commands drain, so the recycle happens within a round trip instead of at the window end The drain waited for "no caller work", which under steady traffic never comes: there is always a command in flight, so the recycle waited out the whole announced window and failed whatever was in flight at that instant. Measured live (endpoint rebind, single proxy, ~900 ops/s): recycle at +20.0s against a MOVING at +6.0s, 16 failed commands, missed-deadline warning. While a handoff drains, the bridge holds a caller's work in the backlog instead of writing it to the connection about to be replaced; the backlog processor does not flush while the hold stands; the drain waits only for what is already written, capped at half the relaxed timeout (bounded by half the remaining window, floor one second); the connection is then recycled as before, the hold cleared, and the held work flushed to the replacement by the ordinary reconnect path. Timeouts are relaxed for the hold and the reconnect. A FailFast policy does not abandon held work for the handoff's own disconnect. Same scenario on this branch: recycle at +6.2s against a MOVING at +5.9s, 0 failed of 97k. Deliberately a flag and nothing more: no per-message timeout cover (with relaxation off and a timeout shorter than the hold, held commands can time out in the backlog, as on any reconnect), and no retire under the write lock (a writer that reaches the lock after the recycle gets a write fault, as before). Also: the drain budget is recomputed after the DNS poll, a second MOVING during a handoff updates the successor pin rather than being dropped, and the pin lasts the window so the second bridge dials the same successor. Tests: steady load (with and without relaxation), slow command inside the cap, blocking command past the cap; plus a fault-injector tier measurement that records the live timeline. * OneLogicalEventFromEveryNodeRaisesOneEvent: wait for the one event rather than counting at the instant the second node relaxed; the callback is dispatched after the relaxation, so the count could be read as zero (flaked on main at ~1 in 6) * INCREX and ARGREP are routed by key on a cluster (#3352) IncrexMessageBase (#3065) and ArrayGrepMessage (#3076) derived from Message directly, held a key, and never overrode GetHashSlot, so they reported NoSlot. On a cluster that sends the command to an arbitrary node and leans on -MOVED: an extra round trip for most calls, and a RedisServerException under CommandFlags.NoRedirect. Both now derive from Message.CommandKeyBase, as their single-key siblings do, which supplies the slot (and the key in CommandAndKey). Affects the StringIncrement overloads that take an Expiration (INCREX) and ArrayGrep. No public API change. --------- Co-authored-by: Mohsin Ali <mohsin.ali.work686@gmail.com> Co-authored-by: mohsinaliwork686-rgb <229973101+mohsinaliwork686-rgb@users.noreply.github.com> Co-authored-by: Nikolay Zdravkov <unsafeptr@gmail.com>

mgravell added 3 commits October 30, 2026 11:27

Drop Gcra: the type was withdrawn before release, so there is nothing…

5f1ed26

… for the token to match

Add sunionstore/sdiffstore events (from the keyspace-notifications do…

3bb7eac

…cs); drop the history comment on Copy

mgravell changed the title ~~RedisType.Bitmap and the keyspace-event tokens a server diff turned up~~ Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values Oct 30, 2026

mgravell merged commit 7b2b9fe into main Oct 30, 2026
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mgravell deleted the marc/bitmap-type-metadata branch October 30, 2026 11:47

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Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values - #3312

Update RedisType.Bitmap and the keyspace-event tokens to reflect current server values#3312
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mgravell commented Oct 30, 2026 •

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