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# Release of Vitess v12.0.0 | ||
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## Major Changes | ||
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This release includes the following major changes or new features. | ||
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### Inclusive Naming | ||
A number of commands and RPCs have been deprecated as we move from `master` to `primary`. | ||
All functionality is backwards compatible except as noted under Incompatible Changes. | ||
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### Gen4 Planner | ||
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The newest version of the query planner, `Gen4`, becomes an experimental feature as part of this release. | ||
While `Gen4` has been under development for a few release cycles, we have now reached parity with its predecessor, `v3`. | ||
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To use `Gen4`, VTGate's `-planner_version` flag needs to be set to `gen4`. | ||
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## Minor Changes | ||
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### Query Serving | ||
* Add `SHOW VITESS_REPLICATION_STATUS` Query Support #8900 | ||
* The new `SHOW VITESS_REPLICATION_STATUS` command/query shows the MySQL replica/replication (not `vreplication`) health for the vitess deployment. | ||
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## Incompatible Changes | ||
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### vtctl command output | ||
Wherever vtctl commands produced `master` or `MASTER` for tablet type, they now produce `primary` or `PRIMARY`. | ||
Scripts and tools that depend on parsing command output will need to change. | ||
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Example: | ||
```sh | ||
$ vtctlclient -server localhost:15999 ListAllTablets | ||
zone1-0000000100 sourcekeyspace 0 primary 192.168.0.134:15100 192.168.0.134:17100 [] 2021-09-24T01:12:00Z | ||
zone1-0000000101 sourcekeyspace 0 rdonly 192.168.0.134:15101 192.168.0.134:17101 [] <null> | ||
zone1-0000000102 sourcekeyspace 0 replica 192.168.0.134:15102 192.168.0.134:17102 [] <null> | ||
zone1-0000000103 sourcekeyspace 0 rdonly 192.168.0.134:15103 192.168.0.134:17103 [] <null> | ||
``` | ||
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## Governance | ||
* Added @GuptaManan100 to maintainers #8833 | ||
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------------ | ||
## Changelog | ||
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### Bug fixes | ||
#### Build/CI | ||
* Update golang/x dependencies #8688 | ||
* tests: use AtomicInt32 instead of int to fix races #8696 | ||
#### Cluster management | ||
* Use consul lock properly #8310 | ||
* Trivial: mysqlctl reinit_config -h was not showing help #8369 | ||
* Port #8422 to main branch #8745 | ||
* [vtctl] Add missing call to `flag.Parse` in `commandGetRoutingRules` #8795 | ||
* Fix for padding in OrderAndCheckPartitions #8873 | ||
#### Observability | ||
* schema engine: reset table size stats when a table is dropped #8634 | ||
#### Query Serving | ||
* Fix for function calls in DEFAULT value of CREATE TABLE statement in main #8477 | ||
* Fixing multiple issues related to onlineddl/lifecycle #8500 | ||
* boolean values should not be parenthesised in default clause #8502 | ||
* mysql/server: abort connection if secure transport is required #8504 | ||
* Clear only the current shard's schemacopy rows during schema reload #8519 | ||
* go/mysql/auth: fix error message for wrong auth method. #8525 | ||
* Fix handshake protocol with MySQL client #8537 | ||
* Copy parameter data from byte buffer in COM_STMT_SEND_LONG_DATA #8562 | ||
* Negative float default #8587 | ||
* [vtexplain] prevent panic on show tables/show full tables #8601 | ||
* OnlineDDL: better scheduling/cancellation logic #8603 | ||
* Fix parsing of FIRST clause in ALTER TABLE #8614 | ||
* onlineddl Executor: build schema with DBA user #8624 | ||
* Handle subquery merging with references correctly #8662 | ||
* Fixing error on deletes from owning table for a lookup being populated by CreateLookupVindex after a SwitchWrites #8701 | ||
* Fixing a panic in vtgate with OLAP mode #8722 | ||
* default to primary tablet if not set in VStream api #8755 | ||
* Fix bug in parsing of version comments #8770 | ||
* Proper merge of the SysTableTableName fields when joining two routes #8771 | ||
* fix parsing of MySQL Server Version flag #8791 | ||
* Fix typo in pool config syntax. Fixes #8819 #8820 | ||
* VtGate schema tracker to use provided user #8857 | ||
* fix merging dba query as a subquery both in v3 and gen4 #8871 | ||
#### VReplication | ||
* MoveTables: don't create unnecessary streams on the target for non-intersecting sources and targets #8090 | ||
* VDiff: Add BIT datatype to list of byte comparable types #8401 | ||
* Fix vreplication error metric #8483 | ||
* Return from throttler goroutine if context is cancelled to prevent goroutine leaks #8489 | ||
* Fix VReplication logging to file and db #8521 | ||
* Fix passing the wrong cell/cells variable to CreateLookupVindex #8590 | ||
* Refresh SrvVSchema after an ExternalizeVindex: was missing #8670 | ||
* Fixing missing argument in function call #8692 | ||
* Fix how we identify MySQL generated columns #8763 | ||
#### VTAdmin | ||
* [vtadmin-web] Set Backup status indicators to the correct colours #8410 | ||
* [vtadmin] Fix bad copy-paste in pool config flag parsing #8518 | ||
#### vtctl | ||
* Print actual current datetime for vtctl dry run commands #8778 | ||
#### vttestserver | ||
* Remove lingering mysqld sock files on vttestserver container startup #8463 | ||
* Fixed filename for the configuration file in Vttestserver #8809 | ||
### CI/Build | ||
#### Build/CI | ||
* Update release process #7759 | ||
* [ci] Add `errcheck` to golangci-lint #7996 | ||
* gomod: do not replace GRPC #8416 | ||
* consolidation: Fix flaky test #8417 | ||
* Small build improvements #8418 | ||
* proto: upgrade vtprotobuf version #8454 | ||
* Automatically use the latest tag of Vitess for cluster upgrade E2E test #8471 | ||
* Addition of known issues to release notes #8482 | ||
* Fix Cluster 14 flakiness #8494 | ||
* add question on backporting back to PR template #8541 | ||
* Enable GitHub Actions concurrency feature #8546 | ||
* Updated Makefile do_release script to include godoc steps #8550 | ||
* Changing codahale/hdrhistogram import path #8637 | ||
* Upgrade to Go 1.17 #8640 | ||
* Fixes for reparent endtoend test flakiness #8642 | ||
* hooks: remove govet because it already runs as part of golangci-lint #8674 | ||
* Enhancement of the release instructions #8790 | ||
* Remove consul-api usage in favor of official consul/api #8794 | ||
* Enhancement of the release notes generation #8877 | ||
#### Governance | ||
* update MAINTAINERS and CODEOWNERS for deepthi, pH14 and vmg #8675 | ||
#### Query Serving | ||
* Cleanup: import of gh-ost test suite is complete #8459 | ||
#### VReplication | ||
* VReplication support for non-PRIMARY KEY (Online DDL context) #8364 | ||
### Documentation | ||
#### Build/CI | ||
* maintainers: add Messaging as area of expertise #8578 | ||
#### Cluster management | ||
* Enhance k8stopo flag documentation #8464 | ||
* Update some vtctl/vtctlclient command help #8560 | ||
* Trivial: fix the GenerateShardRanges vtctl[client] help #8586 | ||
#### Examples | ||
* examples: update README to use new vreplication command syntax #8825 | ||
#### Governance | ||
* update governance #8609 | ||
#### Query Serving | ||
* vtexplain examples #8652 | ||
#### VReplication | ||
* vtctl help/usage update #8879 | ||
#### VTAdmin | ||
* [vtadmin] Remove outdated commands from vtadmin-web README #8496 | ||
* Initial pass at some vtadmin docs #8526 | ||
### Enhancement | ||
#### Backup and Restore | ||
* Add Support for Restoring Specific Backups #8824 | ||
#### Build/CI | ||
* Initial support for stress testing in end-to-end tests #8406 | ||
* CI: Remove mariadb101 which is well past eol and no longer available in distributions #8446 | ||
* Adding GitHub Self Hosted Runner tests #8721 | ||
#### Cluster management | ||
* Vitess mixin improvements #7499 | ||
* Expose topo_consul_lock_session_checks to allow customized consul session check #8298 | ||
* Handle lock release with SIGHUP in VTGR #8472 | ||
* Enhance PRS error message #8529 | ||
* srvtopo: resilient watcher #8583 | ||
* Add `-restart_before_backup` parameter for vtbackup #8608 | ||
* srvtopo: allow unwatching from watch callbacks #8633 | ||
* introduced cluster_operation as a new error code in vtrpc #8646 | ||
* servenv: add `--onclose_timeout` flag #8651 | ||
* Improve determinism of bootstrap #8840 | ||
#### Observability | ||
* [vtadmin] cluster debug pages #8427 | ||
* Export memstats for statsd backend #8777 | ||
#### Query Serving | ||
* [tablet, queryrules] Extend query rules to check comments #8233 | ||
* Add "show global status" support #8344 | ||
* added batch lookup param to lookup vindex #8398 | ||
* Online DDL/VReplication: able to read from replica #8405 | ||
* multishard autocommit should work for bypass routing #8428 | ||
* Add "no-scatter" flag to prohibit the use of scatter queries #8439 | ||
* OnlineDDL: -skip-topo is always 'true' #8450 | ||
* Add `rows` as keyword in sqlparser #8467 | ||
* Periodic update of gh-ost binary #8470 | ||
* fix when show tables record too much error log "Got unhandled packet.." #8478 | ||
* SHOW VITESS_MIGRATION '...' LOGS, retain logs for 24 hours #8493 | ||
* NativeDDL: analyzing added&removed unique keys #8495 | ||
* Refactor authentication server plugin mechanism #8503 | ||
* Update to planetscale/tengo v0.10.1-ps.v4 #8516 | ||
* query serving to continue when topo server restarts - main #8534 | ||
* support grpc reflection on APIs #8551 | ||
* Customized CreateLookUpVindex to be Compatible with non-consistent Lookup Vindex #8570 | ||
* Add additional options for configuring SSL modes as a client #8588 | ||
* Fail plan for unsupported aggregate function #8593 | ||
* gateway: use keyspace events when buffering requests #8700 | ||
* Add optional query annotations, i.e. prefix SQL comments indicating the #8783 | ||
* Slight improvement of the ACL error message #8805 | ||
* Changed parsing for unions #8821 | ||
* Use vt_dba user for online schema migration cutover phase #8836 | ||
* Add parsing support for column list with subquery alias #8884 | ||
#### TabletManager | ||
* Allow min TLS version for tablet to mysqld conns #8757 | ||
#### VReplication | ||
* VReplication: Add ability to tag workflows #8388 | ||
* Ignore SBR statements from pt-table-checksum #8396 | ||
* Tablet Picker: add metric to record lack of available tablets #8403 | ||
* VReplication: support different keys on source and target tables (different covered columns) #8423 | ||
* VStream API: handle reparenting and unhealthy tablets #8445 | ||
* Change local example to use v2 vreplication flows and change default to v2 from v1 #8553 | ||
* Customized CreateLookUpVindex to Include a Flag to Continue Vreplication After Backfill with an Owner Provided #8572 | ||
* Update MoveTables CLI help to reflect change we made at the beginning of #8597 | ||
* VStreamer Field/Row Events: add Keyspace/Shard #8598 | ||
* VStream API: Add flag to stop streaming on a reshard #8628 | ||
#### VTAdmin | ||
* [vtadmin] cluster rpc pools #8421 | ||
* Add support for passing custom interceptors to vtadmin grpcserver #8507 | ||
### Feature Request | ||
#### Cluster management | ||
* [vtctldserver] Migrate remaining ServingGraph rpcs to VtctldServer #8249 | ||
* [grpctmclient] Add support for (bounded) per-host connection reuse #8368 | ||
* VTGR: Vitess + MySQL group replication #8387 | ||
* Add isActive flag to vtgr to support multi-cell topology #8780 | ||
* [vtctld] Add `SetWritable`, `StartReplication` and `StopReplication` rpcs #8816 | ||
* [vtctld] sleep/ping tablets #8826 | ||
* [vtctld] migrate more util rpcs #8843 | ||
* [vtctld] migrate validator rpcs #8849 | ||
* [vtctld] localvtctldclient #8882 | ||
* [vtctldserver] Migrate RunHealthCheck #8892 | ||
* [vtctl] run new commands as standalone binary #8893 | ||
#### VTAdmin | ||
* [vtadmin] [experimental] add per-api RBAC implementation #8515 | ||
* [vtadmin] shard replication positions #8775 | ||
* [vtadmin] GetVtctlds #8792 | ||
### Internal Cleanup | ||
#### Build/CI | ||
* Bump aws-sdk-go to v1.34.2 #8632 | ||
* Upgrade consul api: `go get github.com/hashicorp/consul/[email protected]` #8784 | ||
#### Cluster management | ||
* topodata: remove deprecated field 'ServedTypes' #8566 | ||
* Upgrade to k8s 1.18 client #8762 | ||
#### Deployments | ||
* Remove the deprecated Helm charts and related code #8868 | ||
#### Examples | ||
* Bump ini from 1.3.5 to 1.3.8 in /vitess-mixin/e2e #8823 | ||
#### Governance | ||
* fix copyright #8611 | ||
#### Query Serving | ||
* Adds flag to vttablet to disallow online DDL statements #8433 | ||
* Remove vtrpc.LegacyErrorCode #8456 | ||
* Allow for configuration of the minimal TLS version #8460 | ||
* engine: allow retrying partial primitives #8727 | ||
* srvtopo: expose WatchSrvKeyspace #8752 | ||
* Clean up Primitive interface implementations #8901 | ||
#### VReplication | ||
* LegacySplitCloneWorker is no longer used in any code paths #8867 | ||
#### VTAdmin | ||
* [vtadmin] Add Options struct to wrap grpc/http options #8461 | ||
* Update vtadmin local scripts to enable basic rbac #8801 | ||
#### vtctl | ||
* Correctly identify backup timestamp var as a string #8891 | ||
### Other | ||
#### Examples | ||
* Improve the Docker local and compose examples #8685 | ||
### Performance | ||
#### Cluster management | ||
* throttler: don't allocate any resources unless it is actually enabled #8643 | ||
#### Query Serving | ||
* cache: track memory usage more closely #8804 | ||
#### VTAdmin | ||
* Use `fmt.Fprintf` instead of `fmt.Sprintf` #8922 | ||
### Testing | ||
#### Cluster management | ||
* Alter tests to reuse cluster components #8276 | ||
* Adds some more orchestrator tests to vtorc #8535 | ||
#### Query Serving | ||
* increase conn killer check to double the tx timeout value #8649 | ||
* Added UNION testcases and auxilary code for running tests #8797 | ||
* fixed regression in v3 for grouping by integer functions #8856 | ||
#### VTAdmin | ||
* [vtadmin] Add a vtctld Dialer unit test #8455 | ||
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The release includes 1281 commits (excluding merges) | ||
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Thanks to all our contributors: @Anders-PlanetScale, @GuptaManan100, @Johnny-Three, @Juneezee, @ajm188, @aquarapid, @askdba, @bnu0, @choo-stripe, @dbussink, @dctrwatson, @deepthi, @demmer, @dependabot[bot], @derekperkins, @doeg, @eeSeeGee, @falun, @fatih, @frouioui, @hallaroo, @harshit-gangal, @ilikeorangutans, @mattlord, @rafael, @ritwizsinha, @rohit-nayak-ps, @sahutd, @shlomi-noach, @sonne5, @systay, @tdakkota, @tokikanno, @utk9, @vmg |
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package servenv | ||
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const versionName = "12.0.0-SNAPSHOT" | ||
const versionName = "12.0.0-rc1" |
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