. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Real-time parameter change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . So, it may be better to stop reporting them. If anyone still needs them, please speak up now. Real-time parameter change description: Updating parameters without restarting a process Problem Statement cease to be an authoritative source. • It is difficult to audit any values that were changed in real-time or keep track of history if changes were made multiple times. • If a process is restarted for any

purpose of a replica tablet is for serving OLTP read traffic, whereas rdonly tablets are for serving analytics, or performing cluster maintenance operations like backups, or resharding. rdonly replicas are allowed exponentially. • Analytics: The retention period for messages is dictated by the application. One could potentially choose to never delete any messages and use the data for performing analytics. • Transactional: the following use cases: • Broadcasting of events to multiple subscribers. • Ordered delivery. • Real-time delivery. Creating a message table The current implementation requires a fixed schema. This will

exponentially. • Analytics: The retention period for messages is dictated by the application. One could potentially choose to never delete any messages and use the data for performing analytics. • Transactional: the following use cases: • Broadcasting of events to multiple subscribers. • Ordered delivery. • Real-time delivery. Creating a message table The current implementation requires a fixed schema. This will case, Vitess will create a rolled up version of the source table which can be used for realtime analytics. • Backfilling lookup vindexes: VReplication can be used to backfill a newly created lookup vindex

exponentially. • Analytics: The retention period for messages is dictated by the application. One could potentially choose to never delete any messages and use the data for performing analytics. • Transactional: the following use cases: • Broadcasting of events to multiple subscribers. • Ordered delivery. • Real-time delivery. Creating a message table The current implementation requires a fixed schema. This will case, Vitess will create a rolled up version of the source table which can be used for realtime analytics. • Backfilling lookup vindexes: VReplication can be used to backfill a newly created lookup vindex

exponentially. • Analytics: The retention period for messages is dictated by the application. One could potentially choose to never delete any messages and use the data for performing analytics. • Transactional: the following use cases: • Broadcasting of events to multiple subscribers. • Ordered delivery. • Real-time delivery. Creating a message table The current implementation requires a fixed schema. This will case, Vitess will create a rolled up version of the source table which can be used for realtime analytics. • Backfilling lookup vindexes: VReplication can be used to backfill a newly created lookup vindex

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Real-time parameter change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . So, it may be better to stop reporting them. If anyone still needs them, please speak up now. Real-time parameter change description: Updating parameters without restarting a process Problem Statement cease to be an authoritative source. • It is difficult to audit any values that were changed in real-time or keep track of history if changes were made multiple times. • If a process is restarted for any

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Real-time parameter change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . So, it may be better to stop reporting them. If anyone still needs them, please speak up now. Real-time parameter change description: Updating parameters without restarting a process Problem Statement cease to be an authoritative source. • It is difficult to audit any values that were changed in real-time or keep track of history if changes were made multiple times. • If a process is restarted for any

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Real-time parameter change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . So, it may be better to stop reporting them. If anyone still needs them, please speak up now. Real-time parameter change description: Updating parameters without restarting a process Problem Statement cease to be an authoritative source. • It is difficult to audit any values that were changed in real-time or keep track of history if changes were made multiple times. • If a process is restarted for any