SAFE_BACKLOG 277 modules/pm/pm_serials.c max_serial=PM_get_current_serial(db_connection) - SAFE_BACKLOG; SAFE_BACKLOG 359 modules/pm/protocol_mirror.c current_serial=PM_get_current_serial(sql_connection) - SAFE_BACKLOG; SAFE_BACKLOG 440 modules/pm/protocol_mirror.c while(((nrtm_q.last = PM_get_current_serial(sql_connection) - SAFE_BACKLOG)<current_serial)