. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . event that your system has a high replication delay. Related Vitess Documentation • MoveTables User Guide Replication Graph The replication graph identifies the relationships between master databases and destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 Region-based Sharding {{< info >}} This guide follows on from the Get Started guides. Please make sure that you have a local installation ready high replication delay from master to replica(s). Related Vitess Documentation • MoveTables User Guide 20 Query Rewriting Vitess works hard to create an illusion of the user having a single connection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . high replication delay from master to replica(s). Related Vitess Documentation • MoveTables User Guide Query Rewriting Vitess works hard to create an illusion of the user having a single connection to destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . high replication delay from master to replica(s). Related Vitess Documentation • MoveTables User Guide Query Rewriting Vitess works hard to create an illusion of the user having a single connection to destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . high replication delay from master to replica(s). Related Vitess Documentation • MoveTables User Guide Query Rewriting Vitess works hard to create an illusion of the user having a single connection to destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . high replication delay from primary to replica(s). Related Vitess Documentation • MoveTables User Guide Query Rewriting Vitess works hard to create an illusion of the user having a single connection to destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . event that your system has a high replication delay. Related Vitess Documentation • MoveTables User Guide Replication Graph The replication graph identifies the relationships between master databases and destination shards, and the source shards are deleted. Related Vitess Documentation • Resharding User Guide Tablet A tablet is a combination of a mysqld process and a corresponding vttablet process, usually

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Google I/O 2014 - Scaling with Go: YouTube’s Vitess . . . . . . . . . . . . . . . . . . . . . . . . . . currently performs. Queries are routed to a tablet via a VTGate server. 10 Tablet Types See the user guide VTTablet Modes for more information. • master - A replica tablet that happens to currently be the awesome! In the past we have reviewed and accepted many external contributions. Examples are the Java JDBC driver, the PHP PDO driver or VTGate v3 improvements. We’re looking forward to any contribution

Component VTAdmin Severity Moderate Fixed in: https://vitess.io/docs/17.0/reference/vtadmin/operators_guide/#best-practices We recommend adding a document on how to securely deploy and use VTAdmin. The purpose := topoproto.TabletAliasString(ts.Tablet.Alias) tLinks = append(tLinks, fmt.Sprintf(`style="color:%v">%v%v`, ts.getTabletDebugURL(), color, name, extra)) } return template.HTML(strings possible. To guard against future issues with templating, Vitess now uses the https://github.com/google/safehtml library for html templating. In addition, Vitess now uses templates instead of raw string

exclude) • client(bson SSL) java/python/go Golang ? • minimalist • goroutines • channels & selects • closures • defers • generics • GC • map, slices • performace • java < go < c/c++ Vitess Features distribute transaction • sync replication • part of second index Vitess 参考资料 • https://code.google.com/p/vitess/ • https://github.com/youtube/vitess • http://vitess.googlecode.com/files/Vitess_Percona_2012