stars 16,000+ commits Marquee adopters 100+ contributors 700+ Slack members History ● Choosing Go ● TCP, Syscalls, GC, Scheduler 2013 2015 2016 First Kubernetes Production launch Last Sunday.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Vitess Roadmap read traffic to individual cells, Vitess currently serves reads only from the local cell. Writes will go cross-cell when necessary, to wherever the master for that shard resides. Execution Plans Vitess

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Vitess Roadmap 6824 main.go:64] W0521 01:05:40.443180 reparent.go:185] master -elect tablet zone1 -0000000100 is not the shard master, proceeding anyway as -force was used 16 W0520 18:05:40.445230 6824 main.go:64] W0521

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Vitess Roadmap read traffic to individual cells, Vitess currently serves reads only from the local cell. Writes will go cross-cell when necessary, to wherever the master for that shard resides. Execution Plans Vitess

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Vitess Roadmap read traffic to individual cells, Vitess currently serves reads only from the local cell. Writes will go cross-cell when necessary, to wherever the primary for that shard resides. 22 Execution Plans Vitess

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Vitess Roadmap read traffic to individual cells, Vitess currently serves reads only from the local cell. Writes will go cross-cell when necessary, to wherever the master for that shard resides. Execution Plans Vitess

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Vitess Roadmap read traffic to individual cells, Vitess currently serves reads only from the local cell. Writes will go cross-cell when necessary, to wherever the master for that shard resides. Execution Plans Vitess

Language Go, Typescript The full Vitess repository was considered in scope, however the main focus of the audit was VTAdmin which is located at https://github.com/vitessio/vitess/tree/main/go/vt/vtadmin com/vitessio/vitess/blob/da1906d54eaca4447e039d90b96fb07251ae852c/g o/vt/vtadmin/rbac/authentication.go#L37. Vitess links to an example authentication plugin which is available here: https://gist.github VTAdmin-api adds it as a middleware at the http mux layer. VTAdmin-api does this in vitess/go/vt/vtadmin/api.go, when the routes are initialized: First VTAdmin-api checks if the user has registered an

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Vitess Roadmap managing a large number of MySQL instances Vitess database drivers Vitess includes compliant JDBC and Go (Golang) database drivers using a native query protocol. Additionally, it implements the MySQL server

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Learning Go . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Vitess Roadmap managing a large number of MySQL instances Vitess database drivers Vitess includes compliant JDBC and Go (Golang) database drivers using a native query protocol. Additionally, it implements the MySQL server