Slow Process on backfilling and recovering

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​Hi Guys,

After I adjusted PGs on my volume pool, these processes been running for 2 days now. how do I speed things up?

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[root@controller-node ~]# ceph -s
    cluster 99cb7f6f-3441-4a94-bd4b-828183ecc393
     health HEALTH_ERR 330 pgs backfill; 41 pgs backfill_toofull; 2 pgs backfilling; 3 pgs inconsistent; 1 pgs recovering; 71 pgs recovery_wait; 405 pgs stuck unclean; recovery 4835319/22635543 objects degraded (21.362%); 11 near full osd(s); 3 scrub errors
     monmap e2: 3 mons at {ceph-node-1=10.107.200.1:6789/0,ceph-node-2=10.107.200.2:6789/0,ceph-node-3=10.107.200.3:6789/0}, election epoch 496, quorum 0,1,2 ceph-node-1,ceph-node-2,ceph-node-3
     osdmap e11356: 27 osds: 27 up, 27 in
      pgmap v42430325: 1536 pgs, 2 pools, 27592 GB data, 5783 kobjects
            83068 GB used, 17484 GB / 100553 GB avail
            4835319/22635543 objects degraded (21.362%)
                   1 active+recovering+remapped
                  36 active+recovery_wait
                   1 active+remapped+backfill_toofull
                1128 active+clean
                   2 active+clean+inconsistent
                 289 active+remapped+wait_backfill
                   1 active+remapped+inconsistent+wait_backfill
                   1 active+clean+scrubbing+deep
                  35 active+recovery_wait+remapped
                  40 active+remapped+wait_backfill+backfill_toofull
                   2 active+remapped+backfilling
  client io 2555 kB/s rd, 73369 B/s wr, 177 op/s
[root@controller-node ~]#
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