2019-05-23 19:15:06.500462 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.500465 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.500466 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.500790 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.500793 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.500849 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.500851 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.500853 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.501219 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.501237 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.501318 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.501326 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.501327 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.501663 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.501666 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.501735 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.501744 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.501746 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.502116 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.502119 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.502178 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.502181 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.502182 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.502561 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.502563 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.502630 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.502632 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.502633 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.502989 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.502992 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.503051 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.503054 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.503055 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.503456 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000
2019-05-23 19:15:06.503459 7f8765f1ad00 20 bluefs _read left 0x0 len 0x8000
2019-05-23 19:15:06.503524 7f8765f1ad00 20 bluefs _read fetching 0x0~100000 of 1:0x6bf3700000+100000
2019-05-23 19:15:06.503527 7f8765f1ad00  5 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) read 0x6bf3700000~100000 (buffered)
2019-05-23 19:15:06.503528 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_start 0x6bf3700000~100000
2019-05-23 19:15:06.503860 7f8765f1ad00 20 bdev(0x55beff0c7800 /var/lib/ceph/osd/ceph-16/block) _aio_log_finish 1 0x6bf3700000~100000