NoOp default_storage_engine NoOp default_tmp_storage_engine NoOp innodb_strict_mode NoOp innodb_support_xa NoOp innodb_table_locks NoOp innodb_tmpdir NoOp join_buffer_size NoOp keep_files_on_create NoOp store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent IS_USED_LOCK() • RELEASE_ALL_LOCKS() • RELEASE_LOCK() Restrictions Vitess will initially only support locking functions with these limitations: • Can only be used in SELECT queries • The queries can

NoOp default_storage_engine NoOp default_tmp_storage_engine NoOp innodb_strict_mode NoOp innodb_support_xa NoOp innodb_table_locks NoOp innodb_tmpdir NoOp join_buffer_size NoOp keep_files_on_create NoOp store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent IS_USED_LOCK() • RELEASE_ALL_LOCKS() • RELEASE_LOCK() Restrictions Vitess will initially only support locking functions with these limitations: • Can only be used in SELECT queries • The queries can

NoOp default_storage_engine NoOp default_tmp_storage_engine NoOp innodb_strict_mode NoOp innodb_support_xa NoOp innodb_table_locks NoOp innodb_tmpdir NoOp join_buffer_size NoOp keep_files_on_create NoOp store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent IS_USED_LOCK() • RELEASE_ALL_LOCKS() • RELEASE_LOCK() Restrictions Vitess will initially only support locking functions with these limitations: * Can only be used in SELECT queries * The queries can

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Character set support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NoOp default_storage_engine NoOp default_tmp_storage_engine NoOp innodb_strict_mode NoOp innodb_support_xa NoOp innodb_table_locks NoOp innodb_tmpdir NoOp join_buffer_size NoOp keep_files_on_create NoOp store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent

store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent working on fixing this in issue #5411, but also depend on etcd-operator which will require changes to support these newer versions. {{< /warning >}} Prerequisites Before we get started, let’s get a few things for them? • Cardinality of the column; it must be high. • Do we want some rows to live together to support in-shard joins? • Do we want certain rows that will be in the same transaction to live together?

store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent as MASTER reads. However, you get REPEATABLE_READ consistency and ACID writes for a single shard. Support is underway for cross-shard Atomic transactions. As for atomicity, the following levels are supported: effort commit. • TWOPC: multi-db transactions with 2PC commit. 37 No multi-master Vitess doesn’t support multi-master setup. It has alternate ways of addressing most of the use cases that are typically

store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent as MASTER reads. However, you get REPEATABLE_READ consistency and ACID writes for a single shard. Support is underway for cross-shard Atomic transactions. As for atomicity, the following levels are supported: best effort commit. • TWOPC: multi-db transactions with 2PC commit. No multi-master Vitess doesn’t support multi-master setup. It has alternate ways of addressing most of the use cases that are typically

NoOp default_storage_engine NoOp default_tmp_storage_engine NoOp innodb_strict_mode NoOp innodb_support_xa NoOp innodb_table_locks NoOp innodb_tmpdir NoOp join_buffer_size NoOp keep_files_on_create NoOp store topology data and provide a distributed locking service. Vitess uses a plug-in system to support various backends for storing topology data, which are assumed to provide a distributed, consistent as MASTER reads. However, you get REPEATABLE_READ consistency and ACID writes for a single shard. Support is underway for cross-shard Atomic transactions. As for atomicity, the following levels are supported:

vtprimecache Vitess concepts • keyspaceId • unique Index • Non-unique Index • second index support Select only • How to find shards by keyspaceId ? vindex hash lookup numeric Configure Server

team as well as Chris Aniszczyk of The Linux Foundation, for their excellent project coordination, support and assistance, both before and during this assignment. Special gratitude also needs to be extended