The Vitess Documentation Contents Vitess and MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Vitess database drivers . . . . . . . but will be higher in the event that your system has a high replication delay. Related Vitess Documentation • MoveTables User Guide Replication Graph The replication graph identifies the relationships infrastructure is shifted to the 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

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Future improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate 18 Keyspace ID The keyspace ID is the value that is used to decide on which shard

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Cell . . . . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate Keyspace Graph The keyspace graph allows Vitess to decide which set of shards to use but will be higher in the event that your system has a high replication delay. Related Vitess Documentation • MoveTables User Guide Replication Graph The replication graph identifies the relationships

The Vitess Documentation Contents Vitess and MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Vitess database drivers . . . . . . . many external contributions. Examples are the Java JDBC driver, the PHP PDO driver or VTGate v3 improvements. We’re looking forward to any contribution! Before you start larger contributions, make sure -rf vtdataroot Overview description: High-level information about Vitess The Vitess overview documentation provides general information about Vitess that’s less immediately practical than what you’ll find

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Future improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate Keyspace ID The keyspace ID is the value that is used to decide on which shard a given

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Future improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate Keyspace ID The keyspace ID is the value that is used to decide on which shard a given

The Vitess Documentation Contents Region-based Sharding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Preparation . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate Keyspace ID The keyspace ID is the value that is used to decide on which shard a given event that your system has a 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

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Future improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . individual statement plans can also be observed with EXPLAIN FORMAT=vitess . Related Vitess Documentation • VTGate 19 Keyspace ID The keyspace ID is the value that is used to decide on which shard event that your system has a 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

specified threat actors. We used the following sources for the threat modelling: ● Vitessʼs documentation including README files from the Vitess repository ● Vitessʼs source code at https://github.com/vitessio/vitess issues that we identified during the audit. # ID Title Severity Fixed 1 ADA-VIT-SA23-1 Missing documentation on deploying VTAdmin-web securely Moderate Yes 2 ADA-VIT-SA23-2 Insecure cryptographic primitives access to other functions Moderate Yes 16 Vitess Security Audit, 2023 ADA-VIT-SA23-1: Missing documentation on deploying VTAdmin-web securely ID ADA-VIT-SA23-1 Component VTAdmin Severity Moderate Fixed

cluster, locally installed systems were also used for testing. Access to all relevant code and documentation was granted. While the first project meeting provided the basis for the audit, a more ad-hoc kick-off