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 . . . . . . . . . . . . operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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 . . . . . . . . . . . . operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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

The Vitess Documentation Contents Vitess and MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Vitess database drivers . . . . . . . -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 environment to the way Vitess runs in YouTube, on the predecessor to Kubernetes. Related Vitess Documentation • Kubernetes Quickstart History description: Born at YouTube, released as Open Source Vitess

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Cell . . . . . . . . . . . . operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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 . . . . . . . . . . . . operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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 . . . . . . . . . operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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

operators, each of which implements a specific piece of work. The operators combine into a tree-like structure, which represents the overall execution plan. The plan represents each operator as a node in the 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

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 the minikube-instructions. This was done to gain better understanding of the general deployment structure and the integration with the core components. • The initially enumerated application endpoints and mostly well-documented, making it particularly easy for the auditors to review the software’s structure. Except for the SQL parser, none of the components had overly complex logic or included typically

"ReadOnly", "DbNameOverride": "", "KeyRange": { "Start": "", "End": "" } } Vtgate – Structure Vtgate – SQL Example Vtgate – SQL Example Plan SQL语句 备注 SelectUnshar ded select * from main1 Limit • Kill Timeout SQL • Query blacklisting • row cache • more stats & monitor Vttablet Structure Vitess Resharding • read scaling up ? —> replica • write scale up ? —> split • dynamic