## GARBAGECOLLECTOR_STATISTICS

### Definition

The system table GARBAGECOLLECTOR_STATISTICS describes garbage collector activity.

### Structure

GARBAGECOLLECTOR_STATISTICS

TASKID | FIXED(10) | ID of the task that is running as a garbage collector
ACTIVE | CHAR (3) | Task is active (YES | NO)
ACTIVE_COUNT | FIXED(20) | Number of times the task was activated
DELETE_OBJ | FIXED(20) | Number of persistent objects released by the garbage collectors
RELHIST_NORMAL | FIXED(20) | Number of history entries released by the garbage collectors
RELHIST_SENSITIVE | FIXED(20) | NULL value (no longer in use)
RELHIST_TRUNCATE | FIXED(20) | NULL value (no longer in use)
HIST_CREATE_FILE | FIXED(20) | Number of ‘Create Container’ history entries released by the garbage collectors
HIST_DELETE_OBJ | FIXED(20) | Number of ‘Delete Object’ history entries released by the garbage collectors
HIST_DROP_FILE | FIXED(20) | Number of ‘Drop Container’ history entries released by the garbage collectors
HIST_LOCK_OBJ | FIXED(20) | Number of ‘Lock Object’ history entries released by the garbage collectors
HIST_INSERT_OBJ | FIXED(20) | Number of ‘Insert Object’ history entries released by the garbage collectors
HIST_NEW_OBJ | FIXED(20) | Number of ‘New Object’ history entries released by the garbage collectors
HIST_UPDATE_OBJ | FIXED(20) | Number of ‘Update Object’ history entries released by the garbage collectors
RELPAGE_EMPTY | FIXED(20) | Number of pages released by the garbage collectors because they were empty
RELPAGE_DROPFILE | FIXED(20) | Number of pages that were released due to a ‘Drop Container’ statement
DROP_FILE | FIXED(20) | Number of ‘Drop Container’ commands carried out by the garbage collectors

See also:

Concepts of the Database System, History Management