inserted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 description: User guides covering advanced configuration concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Authorization . . . . . . . . . . . . . . . . . . . . . . . . . 266 10 description: User guides covering basic configuration concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Configuring Components . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and has now been adopted by many enterprises for their production needs. 9 Concepts description: Learn core Vitess concepts and terminology Cell description: Data center, availability zone or group

RPC Response 3. Regroup and enqueue 4. Return a result Step.1 + Step.2 + Step.3 = loadCache Concepts in Scan ● caching ● batch ● maxResultSize ● allowPartialResults ● limit ● maxVersion ● needCursorResult MemStoreScanner StoreScanner MemStoreScanner StoreFileScanner StoreFileScanner …. Revisit Concepts BloomFilter MSLAB scan.setTimeRange BucketCache scan.setBatch scan.setMaxVersion scan.setRaw scan.Quota Column Qualifer Family TTL ScannerLease scan.setCacheBlock RegionServer Revisit Concepts KeyValueHeap KeyValueHeap RegionScanner StoreFileScanner MemStoreScanner StoreScanner MemStoreScanner

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 10 Concepts description: Learn core Vitess concepts and terminology Cell description: Data center, availability zone or group

2.3.4 4. Create Migration Job . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 Concepts & Features 8 3.1 Sharding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configuration Manual for more details. 2.3. ShardingSphere-Scaling(Alpha) 7 3 Concepts & Features This chapter describes concepts and features about Apache ShardingSphere. Please refer to User man‐ ual for Concept Overview This chapter is to introduce core concepts of data sharding, including: • Core concepts of SQL • Core concepts of sharding • Core concepts of configuration • Inline expression • Distributed

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and has now been adopted by many enterprises for their production needs. Concepts description: Learn core Vitess concepts and terminology Cell description: Data center, availability zone or group it yourself: • Read the What is Vitess page, in particular the architecture section. • Read the Concepts and Sharding pages. 13 – We also recommend to look at our latest presentations. They contain many

2.3.5 5. Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Concepts 10 3.1 Adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . existing databases and their re‐ spective upper layer, rather than creating a new database. The concepts at the core of the project are Link, Enhance and Pluggable. • Link: Flexible adaptation of database Manual#Scaling : SPI interfaces and implementations 2.3. ShardingSphere-Scaling (Experimental) 9 3 Concepts The functions of Apache ShardingSphere are pretty complex with hundreds of modules, but the con‐

The Vitess Documentation Contents Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416 Concepts description: Learn core Vitess concepts and terminology Cell description: Data center, availability zone or group

2.3.5 Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Concepts 10 3.1 Adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . goal is to minimize or eliminate the challenges caused by underlying databases fragmentation. The concepts at the core of the project are Connect, Enhance and Pluggable. • Connect: Flexible adaptation of Manual#Scaling : SPI interfaces and implementations 2.3. ShardingSphere-Scaling (Experimental) 9 3 Concepts The functions of Apache ShardingSphere are pretty complex with hundreds of modules, but the con‐

Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194 Related Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 Impact on the System transaction adopts the concepts including AP(application program), YM(transaction manager) and RM(resource manager) to ensure the strong consistency of distributed transactions. Those concepts are abstracted compute: ## @section Compute-Node ShardingSphere-Proxy parameters ## ref: https://kubernetes.io/docs/concepts/containers/images/ ## @param compute.image.repository Image name of ShardingSphere-Proxy. ## @param