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vitessio

4 indexed repositories · View on GitHub

vitess
Vitess is a database clustering system for horizontal scaling of MySQL.

Go · 21345 stars
arewefastyet
Automated Benchmarking System for Vitess

Go · 80 stars
website
vitess.io website and other project management related content

Java · 70 stars
vitess-releaser
Tooling to release vitess

Go · 5 stars

Beginner friendly Everything

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vtgate: an invalid reserved-connection system variable value wedges the session Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vitessio/vitess#21150 · Opened Sep 18, 2026
Feature Request: Check relay log position on another tablet before VTOrc runs fixReplica Open

Component: VTOrc Type: Feature

vitessio/vitess#21147 · 1 assignee · Opened Sep 18, 2026
VStream does not enforce table ACLs Open

Component: ACL Component: VReplication Type: Security

Difficulty 5/5 Over a week Newbie friendliness 25/100

vitessio/vitess#21146 · Opened Sep 18, 2026
Bug Report: ALTER/REVERT VITESS_MIGRATION derive no table ACL permissions, so any authenticated caller can control Online DDL migrations Open

Component: Online DDL Component: Query Serving Needs Triage Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#21140 · Opened Sep 18, 2026
Feature Request: parse the CREATE TABLE source forms the grammar only partially accepts (parenthesized SELECT, AS TABLE, EXCEPT/INTERSECT) Open

Component: Query Serving Type: Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

vitessio/vitess#21138 · Opened Sep 18, 2026
Bug Report: table ACL does not cover stored functions invoked inside expressions Open

Component: Query Serving Needs Triage Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#21134 · Opened Sep 16, 2026
VTOrc: partition shard monitoring across instances with a consistent hash ring Open

vitessio/vitess#21120 · 1 assignee · Opened Sep 15, 2026
Server-side *-crl flags are silently ignored when the TLS cert and key are not configured Open

Component: Authn/z Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vitessio/vitess#21119 · Opened Sep 15, 2026
Feature Request: Allow ERS callers to require a minimum GTID set on the new primary Open

Component: VTOrc Type: Enhancement

vitessio/vitess#21109 · 1 assignee · Opened Sep 15, 2026
vttablet: BuildPermissions panics on a top-level VALUES statement Open

Component: Query Serving Component: VTTablet Type: Bug

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

vitessio/vitess#21098 · Opened Sep 14, 2026
sqlparser: a union arm carrying a WITH clause is formatted without parentheses and no longer parses Open

Component: Query Serving Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 25/100

vitessio/vitess#21097 · Opened Sep 14, 2026
sqlparser: nil pointer panic on WITH followed by a parenthesized query expression without ORDER BY or LIMIT Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 15/100

vitessio/vitess#21096 · 1 comment · Opened Sep 14, 2026
mysqlshell restore: enable innodb_change_buffering=inserts during bulk load Open

Component: Backup and Restore Type: Enhancement

vitessio/vitess#21088 · 1 assignee · Opened Sep 14, 2026
Feature Request: Option to log backup engine output to a separate file and upload to backup storage Open

Component: Backup and Restore Type: Feature

vitessio/vitess#21078 · 1 comment · 1 assignee · Opened Sep 12, 2026
vtgate: track MoveTables state in SrvVSchema instead of inferring it from routing rules Open

Component: Query Serving Component: VReplication Type: Enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#21076 · Opened Sep 11, 2026
Feature Request: VStream: projected after-image column bitmap (after_data_columns) and vplayer mapping onto target expressions Open

Component: VReplication Type: Feature

Difficulty 5/5 Over a week Newbie friendliness 45/100

vitessio/vitess#21075 · 1 comment · Opened Sep 11, 2026
sqlparser: a reserved word after a dot and whitespace parses where MySQL rejects it Open

Component: Query Serving Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 15/100

vitessio/vitess#21072 · Opened Sep 10, 2026
vtgate: a keyspace-qualified stored-function call reaches MySQL with the keyspace name Open

Component: Query Serving Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 20/100

vitessio/vitess#21071 · 1 comment · Opened Sep 10, 2026
VTTablet: pooled-connection baseline is inconsistent between fresh and settings-reset connections on servers using init_connect Open

Component: Query Serving Component: VTTablet Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#21066 · Opened Sep 10, 2026
Bug Report: stored-procedure session state persists on a transaction connection recycled at commit Open

Component: Query Serving Component: VTTablet Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vitessio/vitess#21063 · Opened Sep 9, 2026
builtinbackupengine: stop the external compressor or decompressor on a close timeout instead of abandoning its Close Open

Component: Backup and Restore Type: Enhancement

Difficulty 5/5 Over a week Newbie friendliness 15/100

vitessio/vitess#21051 · Opened Sep 8, 2026
builtinbackupengine: stop retrying compressor and decompressor closes that cannot succeed Open

Component: Backup and Restore Type: Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 20/100

vitessio/vitess#21027 · Opened Sep 7, 2026
sqlparser: `//` starts a comment, which MySQL rejects Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 15/100

vitessio/vitess#21021 · Opened Sep 5, 2026
vtgate: a SET of a system variable commits to the session before the open shard sessions converge Open

Component: Query Serving Component: VTGate Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 15/100

vitessio/vitess#21015 · Opened Sep 4, 2026
vtgate: the session's SET_VAR hint reaches only the statement root, not the backend queries the planner derives from it Open

Component: Query Serving Component: VTGate Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 10/100

vitessio/vitess#21014 · Opened Sep 4, 2026
vtgate: EXECUTE of a SQL-level prepared statement drops the statement's margin comments from shard queries Open

Component: Query Serving Component: VTGate Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 15/100

vitessio/vitess#21010 · Opened Sep 4, 2026
Bug Report: predicate on a UNION derived table with an explicit column list fails with VT13001 could not find the column on the UNION Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vitessio/vitess#21005 · Opened Sep 4, 2026
Bug Report: pushing a predicate into a UNION branch that has a LIMIT applies it before the limit, returning extra rows Open

Component: Query Serving Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 20/100

vitessio/vitess#21004 · Opened Sep 4, 2026
sqlparser: MySQL's function-name keywords lex as keywords even when whitespace precedes the parenthesis Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 15/100

vitessio/vitess#21003 · Opened Sep 3, 2026
RFC: One-click, hands-off patch releases via GitHub Actions Open

Component: Build/CI Type: RFC

Difficulty 5/5 Over a week Newbie friendliness 30/100

vitessio/vitess#21001 · 2 reactions · Opened Sep 3, 2026
Bug Report: pushing a predicate into a UNION of three or more branches substitutes the wrong expression for middle branches Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

vitessio/vitess#20991 · Opened Sep 3, 2026
vtgate: split multi-statement queries the way MySQL does (grammar-driven, lazy) Open

Component: Query Serving Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 15/100

vitessio/vitess#20987 · Opened Sep 3, 2026
Bug Report: distributing a volatile predicate to UNION DISTINCT branches filters before deduplication Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

vitessio/vitess#20985 · 1 comment · Opened Sep 3, 2026
Tracking: sql_mode support across VTGate, VTTablet, and the parser Open

Component: Query Serving Type: Enhancement

Difficulty 5/5 Over a week Newbie friendliness 10/100

vitessio/vitess#20984 · Opened Sep 3, 2026
RFC: Deprecate MariaDB support in non-external keyspaces Open

Component: Cluster management Type: Internal Cleanup Type: RFC

vitessio/vitess#20982 · 1 comment · 1 reaction · 1 assignee · Opened Sep 3, 2026
VReplication: engine should reconcile controllers with _vt.vreplication rows after partial VReplicationExec failures Open

Component: VReplication Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 45/100

vitessio/vitess#20975 · Opened Sep 2, 2026
vtgate: information_schema IN lists naming only system schemas fail with VT12001 Open

Component: Query Serving Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 70/100

vitessio/vitess#20974 · Opened Sep 2, 2026
vtgate: InfoSchemaRouting replays already-rewritten predicates in resetRoutingLogic Open

Component: Query Serving Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

vitessio/vitess#20972 · Opened Sep 2, 2026
Bug Report: pushing a predicate into UNION branches duplicates non-deterministic expressions, returning wrong rows Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

vitessio/vitess#20957 · Opened Aug 31, 2026
Bug Report: join predicates pushed into UNION branches survive route merging, leaving unbound bind variables Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

vitessio/vitess#20955 · Opened Aug 31, 2026
Bug Report: VStreamRows source tablet retains a per-stream row buffer at its high-water mark (grows with wide-row tables) Open

Component: VReplication Type: Enhancement

vitessio/vitess#20954 · 1 assignee · Opened Aug 31, 2026
VTGate: merge ordered non-streaming scatter results without a full sort Open

Component: Query Serving Type: Performance

vitessio/vitess#20951 · 1 assignee · Opened Aug 31, 2026
Bug Report: length fields from replication input size allocations before validation (GTID set intervals, compressed transaction payload events) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vitessio/vitess#20945 · Opened Aug 29, 2026
Bug Report: CopySchemaShard / schema validation fails identical schemas due to MySQL's charset/collation display in SHOW CREATE TABLE Open

Component: schema management Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 58/100

vitessio/vitess#20928 · 3 comments · Opened Aug 27, 2026
Throttler: grace period before a freshly restored replica joins shard-scope lag aggregation Open

Component: Throttler Type: Enhancement

vitessio/vitess#20927 · 1 assignee · Opened Aug 27, 2026
SwitchTraffic allows switching writes before reads, leaving a Reshard uncompletable Open

Component: VReplication Type: Bug

vitessio/vitess#20923 · 1 comment · 1 assignee · Opened Aug 27, 2026
VReplication: SwitchTraffic with --enable-reverse-replication=false should warn about or refuse dependent lookup vindex backfills Open

Component: VReplication Type: Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vitessio/vitess#20919 · Opened Aug 26, 2026
VReplication: harden journal handling for Materialize workflows with non-portable filters Open

Component: VReplication Type: Enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#20918 · Opened Aug 26, 2026
PlanSwitcher can cache an optimized plan with an incomplete conditions guard, losing rows on reuse Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

vitessio/vitess#20904 · Opened Aug 24, 2026
Unmerged recursive CTE with UNION DISTINCT executes with UNION ALL semantics Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

vitessio/vitess#20903 · Opened Aug 24, 2026

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