reads=494731 writes=1082 
read_hits=29854 read_hit_percent=6 write_hits=78 write_hit_percent=7 write_miss_ssd=103 dirty_writeback_kb=4828 dirty_writeback_sync_kb=0 dirty_write_hits=30 dirty_write_hit_percent=2 replacement=0 write_replacement=0 write_invalidates=1 read_invalidates=0 pending_enqueues=834 pending_inval=1 metadata_dirties=181 metadata_cleans=113 metadata_batch=0 metadata_ssd_writes=135 cleanings=113 fallow_cleanings=0 no_room=0 front_merge=0 back_merge=0 disk_reads=464877 disk_writes=1047 ssd_reads=29167 ssd_writes=41141 uncached_reads=424052 uncached_writes=901 uncached_IO_requeue=0 uncached_sequential_reads=158168 uncached_sequential_writes=901 pid_adds=0 pid_dels=0 pid_drops=0 pid_expiry=0
