public void run ( ) { long purged_columns ; try { purged_columns = purgeUIDMeta ( ) . joinUninterruptibly ( ) ; LOG . info ( "Thread [" + thread_id + "] finished. Purged [" + purged_columns + "] UIDMeta columns from storage" ) ; purged_columns = purgeTSMeta ( ) . joinUninterruptibly ( ) ; LOG . info ( "Thread [" + thread_id + "] finished. Purged [" + purged_columns + "] TSMeta columns from storage" ) ; } catch ( Exception e ) { LOG . error ( "Unexpected exception" , e ) ; } }
Loops through the entire tsdb - uid table then the meta data table and exits when complete .