[release-21.0] Release of v21.0.0 (#17082)

Signed-off-by: Rohit Nayak <rohit@planetscale.com> Signed-off-by: Florent Poinsard <florent.poinsard@outlook.fr> Co-authored-by: Rohit Nayak <rohit@planetscale.com> Co-authored-by: Florent Poinsard <florent.poinsard@outlook.fr>
vitessio · Oct 29, 2024 · d9bc0da · d9bc0da
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diff --git a/.github/workflows/code_freeze.yml b/.github/workflows/code_freeze.yml
@@ -11,4 +11,4 @@ jobs:
     steps:
     - name: Fail if Code Freeze is enabled
       run: |
-        exit 1
+        exit 0
diff --git a/changelog/21.0/21.0.0/changelog.md b/changelog/21.0/21.0.0/changelog.md
@@ -172,6 +172,8 @@
  * [release-21.0] Add missing changelog for PR #16852 (#17002) [#17006](https://github.com/vitessio/vitess/pull/17006) 
 #### General
  * release notes: update dml related release notes [#16241](https://github.com/vitessio/vitess/pull/16241) 
+#### Query Serving
+ * [Direct PR][release note]: Atomic Distributed Transaction [#17079](https://github.com/vitessio/vitess/pull/17079) 
 #### VReplication
  * Release docs: Add vreplication related entries to the v20 summary [#16259](https://github.com/vitessio/vitess/pull/16259) 
 #### VTTablet
@@ -378,7 +380,7 @@
  * Support passing filters to `discovery.NewHealthCheck(...)` [#16170](https://github.com/vitessio/vitess/pull/16170) 
 #### VTTablet
  * `txthrottler`: move `ThrottlerInterface` to `go/vt/throttler`, use `slices` pkg, add stats [#16248](https://github.com/vitessio/vitess/pull/16248)
- * Deprecate vttablet metrics `QueryCacheXX` and rename to `TabletQueryPlanCacheXX` [#16289](https://github.com/vitessio/vitess/pull/16289) 
+ * Deprecate vttablet metrics `QueryCacheXX` and rename to `QueryPlanCacheXX` [#16289](https://github.com/vitessio/vitess/pull/16289) 
 #### schema management
  * `schemadiff`/Online DDL internal refactor [#16767](https://github.com/vitessio/vitess/pull/16767) 
 #### vtctldclient
@@ -423,6 +425,7 @@
  * [release-21.0] Bump to `v21.0.0-SNAPSHOT` after the `v21.0.0-RC1` release [#16955](https://github.com/vitessio/vitess/pull/16955)
  * [release-21.0] Release of `v21.0.0-RC2` [#17022](https://github.com/vitessio/vitess/pull/17022)
  * [release-21.0] Bump to `v21.0.0-SNAPSHOT` after the `v21.0.0-RC2` release [#17049](https://github.com/vitessio/vitess/pull/17049)
+ * [release-21.0] Add release notes for known issue in v21.0.0 [#17067](https://github.com/vitessio/vitess/pull/17067)
 ### Testing 
 #### Build/CI
  * Online DDL flow CI: Update golang version to 1.22.4 [#16066](https://github.com/vitessio/vitess/pull/16066)

diff --git a/changelog/21.0/21.0.0/release_notes.md b/changelog/21.0/21.0.0/release_notes.md
@@ -11,6 +11,7 @@
         - [Deletion of deprecated metrics](#metric-deletion)
         - [Deprecated Metrics](#deprecations-metrics)
     - **[Traffic Mirroring](#traffic-mirroring)**
+    - **[Atomic Distributed Transaction Support](#atomic-transaction)**
     - **[New VTGate Shutdown Behavior](#new-vtgate-shutdown-behavior)**
     - **[Tablet Throttler: Multi-Metric support](#tablet-throttler)**
     - **[Allow Cross Cell Promotion in PRS](#allow-cross-cell)**
@@ -90,6 +91,17 @@ $ vtctldclient --server :15999 MoveTables --target-keyspace customer --workflow
 
 Mirror rules can be inspected with `GetMirrorRules`.
 
+### <a id="atomic-transaction"/>Atomic Distributed Transaction Support</a>
+
+We have introduced atomic distributed transactions as an experimental feature.
+Users can now run multi-shard transactions with stronger guarantees. 
+Vitess now provides two modes of transactional guarantees for multi-shard transactions: Best Effort and Atomic. 
+These can be selected based on the user’s requirements and the trade-offs they are willing to make.
+
+Follow the documentation to enable [Atomic Distributed Transaction](https://vitess.io/docs/21.0/reference/features/distributed-transaction/)
+
+For more details on the implementation and trade-offs, please refer to the [RFC](https://github.com/vitessio/vitess/issues/16245)
+
 ### <a id="new-vtgate-shutdown-behavior"/>New VTGate Shutdown Behavior</a>
 
 We added a new option to VTGate to disallow new connections while VTGate is shutting down,
@@ -245,7 +257,7 @@ The `EmergencyReparentShard` and `PlannedReparentShard` commands and RPCs now su
 ------------
 The entire changelog for this release can be found [here](https://github.com/vitessio/vitess/blob/main/changelog/21.0/21.0.0/changelog.md).
 
-The release includes 362 merged Pull Requests.
+The release includes 364 merged Pull Requests.
 
 Thanks to all our contributors: @GrahamCampbell, @GuptaManan100, @Utkar5hM, @anshikavashistha, @app/dependabot, @app/vitess-bot, @arthurschreiber, @beingnoble03, @brendar, @cameronmccord2, @chrism1001, @cuishuang, @dbussink, @deepthi, @demmer, @frouioui, @harshit-gangal, @harshitasao, @icyflame, @kirtanchandak, @mattlord, @mattrobenolt, @maxenglander, @mcrauwel, @notfelineit, @perminov, @rafer, @rohit-nayak-ps, @runewake2, @rvrangel, @shanth96, @shlomi-noach, @systay, @timvaillancourt, @vitess-bot
 
diff --git a/examples/compose/docker-compose.beginners.yml b/examples/compose/docker-compose.beginners.yml
@@ -58,7 +58,7 @@ services:
       - "3306"
 
   vtctld:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15000:$WEB_PORT"
       - "$GRPC_PORT"
@@ -83,7 +83,7 @@ services:
         condition: service_healthy
 
   vtgate:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15099:$WEB_PORT"
       - "$GRPC_PORT"
@@ -113,7 +113,7 @@ services:
         condition: service_healthy
 
   schemaload:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     command:
     - sh
     - -c
@@ -146,12 +146,12 @@ services:
     environment:
       - KEYSPACES=$KEYSPACE
       - GRPC_PORT=15999
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
 
   vttablet100:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15100:$WEB_PORT"
       - "$GRPC_PORT"
@@ -183,7 +183,7 @@ services:
       retries: 15
 
   vttablet101:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15101:$WEB_PORT"
       - "$GRPC_PORT"
@@ -215,7 +215,7 @@ services:
       retries: 15
 
   vttablet102:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15102:$WEB_PORT"
       - "$GRPC_PORT"
@@ -247,7 +247,7 @@ services:
       retries: 15
 
   vttablet103:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - "15103:$WEB_PORT"
       - "$GRPC_PORT"
@@ -279,7 +279,7 @@ services:
       retries: 15
 
   vtorc:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     command: ["sh", "-c", "/script/vtorc-up.sh"]
     depends_on:
       - vtctld
@@ -309,7 +309,7 @@ services:
       retries: 15
 
   vreplication:
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - ".:/script"
     environment:

diff --git a/examples/compose/docker-compose.yml b/examples/compose/docker-compose.yml
@@ -75,7 +75,7 @@ services:
     - SCHEMA_FILES=lookup_keyspace_schema_file.sql
     - POST_LOAD_FILE=
     - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
     - .:/script
   schemaload_test_keyspace:
@@ -101,7 +101,7 @@ services:
     - SCHEMA_FILES=test_keyspace_schema_file.sql
     - POST_LOAD_FILE=
     - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
     - .:/script
   set_keyspace_durability_policy:
@@ -115,7 +115,7 @@ services:
     environment:
       - KEYSPACES=test_keyspace lookup_keyspace
       - GRPC_PORT=15999
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   vreplication:
@@ -129,7 +129,7 @@ services:
     - TOPOLOGY_FLAGS=--topo_implementation consul --topo_global_server_address consul1:8500
       --topo_global_root vitess/global
     - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
     - .:/script
   vtctld:
@@ -143,7 +143,7 @@ services:
     depends_on:
       external_db_host:
         condition: service_healthy
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15000:8080
     - "15999"
@@ -160,7 +160,7 @@ services:
       --normalize_queries=true '
     depends_on:
     - vtctld
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15099:8080
     - "15999"
@@ -182,7 +182,7 @@ services:
     - EXTERNAL_DB=0
     - DB_USER=
     - DB_PASS=
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 13000:8080
     volumes:
@@ -217,7 +217,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15101:8080
     - "15999"
@@ -254,7 +254,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15102:8080
     - "15999"
@@ -291,7 +291,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15201:8080
     - "15999"
@@ -328,7 +328,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15202:8080
     - "15999"
@@ -365,7 +365,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15301:8080
     - "15999"
@@ -402,7 +402,7 @@ services:
       - CMD-SHELL
       - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
     - 15302:8080
     - "15999"

diff --git a/examples/compose/vtcompose/docker-compose.test.yml b/examples/compose/vtcompose/docker-compose.test.yml
@@ -79,7 +79,7 @@ services:
       - SCHEMA_FILES=test_keyspace_schema_file.sql
       - POST_LOAD_FILE=
       - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   schemaload_unsharded_keyspace:
@@ -103,7 +103,7 @@ services:
       - SCHEMA_FILES=unsharded_keyspace_schema_file.sql
       - POST_LOAD_FILE=
       - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   set_keyspace_durability_policy_test_keyspace:
@@ -117,7 +117,7 @@ services:
     environment:
       - GRPC_PORT=15999
       - KEYSPACES=test_keyspace
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   set_keyspace_durability_policy_unsharded_keyspace:
@@ -130,7 +130,7 @@ services:
     environment:
       - GRPC_PORT=15999
       - KEYSPACES=unsharded_keyspace
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   vreplication:
@@ -144,7 +144,7 @@ services:
       - TOPOLOGY_FLAGS=--topo_implementation consul --topo_global_server_address consul1:8500
         --topo_global_root vitess/global
       - EXTERNAL_DB=0
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     volumes:
       - .:/script
   vtctld:
@@ -159,7 +159,7 @@ services:
     depends_on:
       external_db_host:
         condition: service_healthy
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15000:8080
       - "15999"
@@ -176,7 +176,7 @@ services:
       ''grpc-vtgateservice'' --normalize_queries=true '
     depends_on:
       - vtctld
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15099:8080
       - "15999"
@@ -199,7 +199,7 @@ services:
       - EXTERNAL_DB=0
       - DB_USER=
       - DB_PASS=
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 13000:8080
     volumes:
@@ -234,7 +234,7 @@ services:
         - CMD-SHELL
         - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15101:8080
       - "15999"
@@ -271,7 +271,7 @@ services:
         - CMD-SHELL
         - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15102:8080
       - "15999"
@@ -308,7 +308,7 @@ services:
         - CMD-SHELL
         - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15201:8080
       - "15999"
@@ -345,7 +345,7 @@ services:
         - CMD-SHELL
         - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15202:8080
       - "15999"
@@ -382,7 +382,7 @@ services:
         - CMD-SHELL
         - curl -s --fail --show-error localhost:8080/debug/health
       timeout: 10s
-    image: vitess/lite:v21.0.0-rc2
+    image: vitess/lite:v21.0.0
     ports:
       - 15301:8080
       - "15999"