[CASSANDRA-15254] Allow UPDATE on settings virtual table to change running configurations

• Type: New Feature
• Status: Patch Available
• Priority: Normal
• Resolution: Unresolved
• Fix Version/s: 5.x
• Component/s: Feature/Virtual Tables
• Change Category: Operability
• Complexity: Normal
• Platform: All

Test and Documentation Plan

Use the UpdateSettingsTableTest to check intermediate results. The documentation must be updated once the first round of the review has been passed. Some of the properties will need to be migrated once the initial PR has been merged.

• Assignee: Maxim Muzafarov
• Reporter: Chris Lohfink

Authors

Maxim Muzafarov

Reviewers

Benjamin Lerer

• Created: 02/Aug/19 16:17
• Updated: 06/Feb/24 08:45

Description

Allow using UPDATE on the system_views.settings virtual table to update configs at runtime for the equivalent of the dispersed JMX attributes/operations.

Issue Links

• is blocked by: CASSANDRA-16806 Allow DELETE and TRUNCATE to work on Virtual Tables if the implementation allows it
• is related to: CASSANDRA-17063 Make capacity/validity/updateinterval/activeupdate for Auth Caches configurable via nodetool
• is related to: CASSANDRA-19339 Make system_views.thread_pools mutable for core_pool_size and max_pool_size
• is related to: CASSANDRA-17734 Validate that JMX and the Settings Virtual Table are aligned
• relates to: CASSANDRA-17166 Enhance SnakeYAML properties to be reusable outside of YAML parsing, support camel case conversion to snake case, and add support to ignore properties
• links to: dev-list: Allow UPDATE on settings virtual table to change running configuration
• links to: GitHub Pull Request #2300
• links to: GitHub Pull Request #2334
• links to: GitHub PullRequest: 2334 [annotations]