Prune
class Prune
Prune orphaned fields and registry entries from any-mode tag hashes.
Lazy flush can leave hash fields behind when cache values are deleted directly instead of through the tagged cache.
Constants
| private DEFAULT_SCAN_COUNT |
Default number of hash fields to process per HSCAN iteration. |
Methods
__construct(StoreContext $context, RemoveEmptyTags $removeEmptyTags)
Create a new prune operation instance.
array
execute(int $scanCount = self::DEFAULT_SCAN_COUNT)
Execute the prune operation.
string
removeOrphanedFieldsScript()
Remove fields only while their corresponding cache keys are absent.
Details
at line 26
__construct(StoreContext $context, RemoveEmptyTags $removeEmptyTags)
Create a new prune operation instance.
at line 41
array
execute(int $scanCount = self::DEFAULT_SCAN_COUNT)
Execute the prune operation.
The empty_hashes_deleted statistic includes hashes found already empty or absent. Redis deletes a hash automatically when its final field is removed.
at line 296
protected string
removeOrphanedFieldsScript()
Remove fields only while their corresponding cache keys are absent.