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RollingStrategyConfig
editRollingStrategyConfig
editAllows for performing many configuration changes in-line in a rolling manner, mutating existing containers.It is the fastest way of updating a plan, but may fail for more complex plan changes (eg topology changes) and is less safe for eg configuration changes that can leave a cluster in a non-running state. Note that rolling (with 'group_by' set to '__all__') is required when performing a major version upgrade
Properties
edit-
allow_inline_resize(boolean) - Whether we allow changing the capacity of instances (default false). This is currently implemented by stopping, re-creating then starting the affected instance on its associated allocator when performing the changes. NOTES: This requires a round-trip through the allocation infrastructure of the active constructor, as it has to reserve the target capacity without over-committing
-
group_by(string) - Specifies the grouping attribute to use when rolling several instances. Instances that share the same value for the provided attribute key are rolled together as a unit. Examples that make sense to use are '__all__' (roll all instances as a single unit), 'logical_zone_name' (roll instances by zone), '__name__' (roll one instance at a time, the default if not specified). Note that '__all__' is required when performing a major version upgrade
-
shard_init_wait_time(integerasint64) - The time to wait for shards that show no progress of initializing before rolling the next group (default: 10 minutes)
-
skip_synced_flush(boolean) - Whether to skip attempting to do a synced flush on the filesystem of the container (default: false), which is less safe but may be required if the container is unhealthy
Example
edit{
"allow_inline_resize" : true,
"group_by" : "string",
"shard_init_wait_time" : 0,
"skip_synced_flush" : true
}