[libvirt-users] libvirt possibly ignoring cache=none ?

Brano Zarnovican zarnovican at gmail.com
Mon Aug 12 07:20:42 UTC 2013


Hi,

when the instance was OOM killed (output attached), we have
implemented Nagios check to monitor those close to the limit. However,
now we are getting false alarms, because instance(s) can get close to
the cgroup limit for valid reasons.

> However, this behavior won't change with caches.  Kernel knows that
> those are data (s)he can discard so before killing the process, unneeded
> caches will get dropped and after there is nothing to drop, the
> procedure falls back to killing the process.

I guess, in the check, we will have to subtract cache size from '
memory.usage_in_bytes'.

It's still puzzling me, how instances with caching disabled for all
its block devices can accumulate such large caches on host.

Thanks all for your time,

Regards,

Brano Zarnovican
-------------- next part --------------
Jul 31 04:06:40 prod-cmp17 kernel: qemu-kvm invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0, oom_score_adj=0
Jul 31 04:06:40 prod-cmp17 kernel: qemu-kvm cpuset=vcpu6 mems_allowed=0
Jul 31 04:06:40 prod-cmp17 kernel: Pid: 6433, comm: qemu-kvm Not tainted 2.6.32-358.6.2.el6.x86_64 #1
Jul 31 04:06:40 prod-cmp17 kernel: Call Trace:
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff810cb5f1>] ? cpuset_print_task_mems_allowed+0x91/0xb0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8111cdf0>] ? dump_header+0x90/0x1b0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff811722f1>] ? task_in_mem_cgroup+0xe1/0x120
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8111d272>] ? oom_kill_process+0x82/0x2a0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8111d16e>] ? select_bad_process+0x9e/0x120
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8111d9f2>] ? mem_cgroup_out_of_memory+0x92/0xb0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81173534>] ? mem_cgroup_handle_oom+0x274/0x2a0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81170f70>] ? memcg_oom_wake_function+0x0/0xa0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81173b19>] ? __mem_cgroup_try_charge+0x5b9/0x5d0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81174e97>] ? mem_cgroup_charge_common+0x87/0xd0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81174f28>] ? mem_cgroup_newpage_charge+0x48/0x50
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff811429c4>] ? do_wp_page+0x1a4/0x920
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8114393d>] ? handle_pte_fault+0x2cd/0xb50
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81065c54>] ? enqueue_task_fair+0x64/0x100
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff810522fd>] ? check_preempt_curr+0x6d/0x90
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8106317e>] ? try_to_wake_up+0x24e/0x3e0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81510472>] ? _spin_lock+0x12/0x30
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff811443fa>] ? handle_mm_fault+0x23a/0x310
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff811445fa>] ? __get_user_pages+0x12a/0x430
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81144999>] ? get_user_pages+0x49/0x50
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8104c307>] ? get_user_pages_fast+0x157/0x1c0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01e3343>] ? hva_to_pfn+0x33/0x1a0 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8150f776>] ? down_read+0x16/0x30
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01fea1b>] ? mapping_level+0x17b/0x1d0 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa02016b4>] ? tdp_page_fault+0x74/0x160 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01f3a8a>] ? kvm_set_msr_common+0x60a/0xb60 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01fff58>] ? kvm_mmu_page_fault+0x28/0xc0 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff812820de>] ? copy_user_generic_unrolled+0x8e/0xb0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa011671c>] ? handle_ept_violation+0x6c/0x140 [kvm_intel]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa0119ef3>] ? vmx_handle_exit+0xc3/0x280 [kvm_intel]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01f8f7d>] ? kvm_arch_vcpu_ioctl_run+0x4ad/0x10f0 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffffa01e1ff4>] ? kvm_vcpu_ioctl+0x434/0x580 [kvm]
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff81194fb2>] ? vfs_ioctl+0x22/0xa0
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff8119547a>] ? do_vfs_ioctl+0x3aa/0x580
Jul 31 04:06:40 prod-cmp17 kernel: [<ffffffff811956d1>] ? sys_ioctl+0x81/0xa0
Jul 31 04:06:41 prod-cmp17 kernel: [<ffffffff810dc645>] ? __audit_syscall_exit+0x265/0x290
Jul 31 04:06:41 prod-cmp17 kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
Jul 31 04:06:41 prod-cmp17 kernel: Task in /libvirt/qemu/i-000010c5 killed as a result of limit of /libvirt/qemu/i-000010c5
Jul 31 04:06:41 prod-cmp17 kernel: memory: usage 36492800kB, limit 36492800kB, failcnt 10319290
Jul 31 04:06:41 prod-cmp17 kernel: memory+swap: usage 48727788kB, limit 9007199254740991kB, failcnt 0
Jul 31 04:06:41 prod-cmp17 kernel: Mem-Info:
Jul 31 04:06:41 prod-cmp17 kernel: Node 0 DMA per-cpu:
Jul 31 04:06:41 prod-cmp17 kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    2: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    3: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    4: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    5: hi:    0, btch:   1 usd:   0
Jul 31 04:06:41 prod-cmp17 kernel: CPU    6: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU    7: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU    8: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU    9: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   10: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   11: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   12: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   13: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   14: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   15: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   16: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   17: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   18: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   19: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   20: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   21: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   22: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: CPU   23: hi:    0, btch:   1 usd:   0
Jul 31 04:06:42 prod-cmp17 kernel: Node 0 DMA32 per-cpu:
Jul 31 04:06:42 prod-cmp17 kernel: CPU    0: hi:  186, btch:  31 usd: 158
Jul 31 04:06:42 prod-cmp17 kernel: CPU    1: hi:  186, btch:  31 usd: 184
Jul 31 04:06:42 prod-cmp17 kernel: CPU    2: hi:  186, btch:  31 usd: 183
Jul 31 04:06:42 prod-cmp17 kernel: CPU    3: hi:  186, btch:  31 usd: 190
Jul 31 04:06:42 prod-cmp17 kernel: CPU    4: hi:  186, btch:  31 usd: 160
Jul 31 04:06:42 prod-cmp17 kernel: CPU    5: hi:  186, btch:  31 usd: 182
Jul 31 04:06:42 prod-cmp17 kernel: CPU    6: hi:  186, btch:  31 usd: 163
Jul 31 04:06:42 prod-cmp17 kernel: CPU    7: hi:  186, btch:  31 usd: 157
Jul 31 04:06:43 prod-cmp17 kernel: CPU    8: hi:  186, btch:  31 usd: 181
Jul 31 04:06:43 prod-cmp17 kernel: CPU    9: hi:  186, btch:  31 usd: 160
Jul 31 04:06:43 prod-cmp17 kernel: CPU   10: hi:  186, btch:  31 usd: 181
Jul 31 04:06:43 prod-cmp17 kernel: CPU   11: hi:  186, btch:  31 usd: 156
Jul 31 04:06:43 prod-cmp17 kernel: CPU   12: hi:  186, btch:  31 usd: 166
Jul 31 04:06:43 prod-cmp17 kernel: CPU   13: hi:  186, btch:  31 usd: 159
Jul 31 04:06:43 prod-cmp17 kernel: CPU   14: hi:  186, btch:  31 usd: 184
Jul 31 04:06:43 prod-cmp17 kernel: CPU   15: hi:  186, btch:  31 usd: 164
Jul 31 04:06:43 prod-cmp17 kernel: CPU   16: hi:  186, btch:  31 usd: 184
Jul 31 04:06:43 prod-cmp17 kernel: CPU   17: hi:  186, btch:  31 usd: 183
Jul 31 04:06:43 prod-cmp17 kernel: CPU   18: hi:  186, btch:  31 usd: 164
Jul 31 04:06:43 prod-cmp17 kernel: CPU   19: hi:  186, btch:  31 usd: 167
Jul 31 04:06:43 prod-cmp17 kernel: CPU   20: hi:  186, btch:  31 usd: 169
Jul 31 04:06:43 prod-cmp17 kernel: CPU   21: hi:  186, btch:  31 usd: 159
Jul 31 04:06:43 prod-cmp17 kernel: CPU   22: hi:  186, btch:  31 usd: 176
Jul 31 04:06:43 prod-cmp17 kernel: CPU   23: hi:  186, btch:  31 usd: 155
Jul 31 04:06:43 prod-cmp17 kernel: Node 0 Normal per-cpu:
Jul 31 04:06:43 prod-cmp17 kernel: CPU    0: hi:  186, btch:  31 usd: 160
Jul 31 04:06:43 prod-cmp17 kernel: CPU    1: hi:  186, btch:  31 usd: 106
Jul 31 04:06:43 prod-cmp17 kernel: CPU    2: hi:  186, btch:  31 usd: 135
Jul 31 04:06:43 prod-cmp17 kernel: CPU    3: hi:  186, btch:  31 usd:  28
Jul 31 04:06:43 prod-cmp17 kernel: CPU    4: hi:  186, btch:  31 usd: 140
Jul 31 04:06:43 prod-cmp17 kernel: CPU    5: hi:  186, btch:  31 usd: 126
Jul 31 04:06:43 prod-cmp17 kernel: CPU    6: hi:  186, btch:  31 usd: 123
Jul 31 04:06:43 prod-cmp17 kernel: CPU    7: hi:  186, btch:  31 usd: 163
Jul 31 04:06:43 prod-cmp17 kernel: CPU    8: hi:  186, btch:  31 usd: 164
Jul 31 04:06:43 prod-cmp17 kernel: CPU    9: hi:  186, btch:  31 usd:  92
Jul 31 04:06:43 prod-cmp17 kernel: CPU   10: hi:  186, btch:  31 usd:   1
Jul 31 04:06:43 prod-cmp17 kernel: CPU   11: hi:  186, btch:  31 usd:  50
Jul 31 04:06:43 prod-cmp17 kernel: CPU   12: hi:  186, btch:  31 usd: 117
Jul 31 04:06:43 prod-cmp17 kernel: CPU   13: hi:  186, btch:  31 usd:   9
Jul 31 04:06:43 prod-cmp17 kernel: CPU   14: hi:  186, btch:  31 usd:  75
Jul 31 04:06:43 prod-cmp17 kernel: CPU   15: hi:  186, btch:  31 usd:  99
Jul 31 04:06:43 prod-cmp17 kernel: CPU   16: hi:  186, btch:  31 usd:  34
Jul 31 04:06:43 prod-cmp17 kernel: CPU   17: hi:  186, btch:  31 usd:  89
Jul 31 04:06:43 prod-cmp17 kernel: CPU   18: hi:  186, btch:  31 usd:  85
Jul 31 04:06:43 prod-cmp17 kernel: CPU   19: hi:  186, btch:  31 usd:  37
Jul 31 04:06:43 prod-cmp17 kernel: CPU   20: hi:  186, btch:  31 usd: 179
Jul 31 04:06:43 prod-cmp17 kernel: CPU   21: hi:  186, btch:  31 usd:  87
Jul 31 04:06:43 prod-cmp17 kernel: CPU   22: hi:  186, btch:  31 usd: 181
Jul 31 04:06:43 prod-cmp17 kernel: CPU   23: hi:  186, btch:  31 usd: 180
Jul 31 04:06:43 prod-cmp17 kernel: active_anon:15442420 inactive_anon:1708947 isolated_anon:0
Jul 31 04:06:43 prod-cmp17 kernel: active_file:9781 inactive_file:6255 isolated_file:0
Jul 31 04:06:43 prod-cmp17 kernel: unevictable:6356 dirty:3 writeback:0 unstable:0
Jul 31 04:06:43 prod-cmp17 kernel: free:6716678 slab_reclaimable:12259 slab_unreclaimable:470254
Jul 31 04:06:43 prod-cmp17 kernel: mapped:6596 shmem:84 pagetables:45604 bounce:0
Jul 31 04:06:43 prod-cmp17 kernel: Node 0 DMA free:15696kB min:8kB low:8kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15304kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jul 31 04:06:43 prod-cmp17 kernel: lowmem_reserve[]: 0 2980 96910 96910
Jul 31 04:06:44 prod-cmp17 kernel: Node 0 DMA32 free:761244kB min:2076kB low:2592kB high:3112kB active_anon:697808kB inactive_anon:15212kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3051888kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:220kB slab_unreclaimable:13408kB kernel_stack:24kB pagetables:1844kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jul 31 04:06:44 prod-cmp17 kernel: lowmem_reserve[]: 0 0 93930 93930
Jul 31 04:06:44 prod-cmp17 kernel: Node 0 Normal free:26089772kB min:65492kB low:81864kB high:98236kB active_anon:61071872kB inactive_anon:6820576kB active_file:39124kB inactive_file:25020kB unevictable:25424kB isolated(anon):0kB isolated(file):0kB present:96184320kB mlocked:9072kB dirty:12kB writeback:0kB mapped:26384kB shmem:336kB slab_reclaimable:48816kB slab_unreclaimable:1867608kB kernel_stack:7504kB pagetables:180572kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jul 31 04:06:44 prod-cmp17 kernel: lowmem_reserve[]: 0 0 0 0
Jul 31 04:06:44 prod-cmp17 kernel: Node 0 DMA: 0*4kB 2*8kB 2*16kB 1*32kB 2*64kB 1*128kB 0*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15696kB
Jul 31 04:06:44 prod-cmp17 kernel: Node 0 DMA32: 5207*4kB 2670*8kB 1677*16kB 1036*32kB 748*64kB 547*128kB 418*256kB 280*512kB 224*1024kB 24*2048kB 3*4096kB = 761244kB
Jul 31 04:06:44 prod-cmp17 kernel: Node 0 Normal: 7640*4kB 504424*8kB 200459*16kB 66357*32kB 46855*64kB 32460*128kB 17805*256kB 6615*512kB 1557*1024kB 0*2048kB 0*4096kB = 26089648kB
Jul 31 04:06:44 prod-cmp17 kernel: 1721282 total pagecache pages
Jul 31 04:06:44 prod-cmp17 kernel: 1704554 pages in swap cache
Jul 31 04:06:44 prod-cmp17 kernel: Swap cache stats: add 43398730, delete 41694176, find 10407108/13258331
Jul 31 04:06:44 prod-cmp17 kernel: Free swap  = 0kB
Jul 31 04:06:44 prod-cmp17 kernel: Total swap = 14678008kB
Jul 31 04:06:45 prod-cmp17 kernel: 25165808 pages RAM
Jul 31 04:06:45 prod-cmp17 kernel: 404624 pages reserved
Jul 31 04:06:45 prod-cmp17 kernel: 2912097 pages shared
Jul 31 04:06:45 prod-cmp17 kernel: 16687393 pages non-shared
Jul 31 04:06:45 prod-cmp17 kernel: [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Jul 31 04:06:45 prod-cmp17 kernel: [ 6422]   107  6422  6830369  4723771   5       0             0 qemu-kvm
Jul 31 04:06:45 prod-cmp17 kernel: Memory cgroup out of memory: Kill process 6422 (qemu-kvm) score 666 or sacrifice child
Jul 31 04:06:45 prod-cmp17 kernel: Killed process 6422, UID 107, (qemu-kvm) total-vm:27321476kB, anon-rss:18890492kB, file-rss:4592kB
Jul 31 04:06:45 prod-cmp17 kernel: Kill process 6424 (vhost-6422) sharing same memory
Jul 31 04:06:48 prod-cmp17 tgtd: conn_close(101) connection closed, 0xdc5808 1
-------------- next part --------------
[root at prod-cmp17 ~]# cgget libvirt/qemu/i-000010c5
libvirt/qemu/i-000010c5:
cpuset.memory_spread_slab: 0
cpuset.memory_spread_page: 0
cpuset.memory_pressure: 0
cpuset.memory_migrate: 0
cpuset.sched_relax_domain_level: -1
cpuset.sched_load_balance: 1
cpuset.mem_hardwall: 0
cpuset.mem_exclusive: 0
cpuset.cpu_exclusive: 0
cpuset.mems: 0
cpuset.cpus: 0-23
cpu.rt_period_us: 1000000
cpu.rt_runtime_us: 0
cpu.stat: nr_periods 0
    nr_throttled 0
    throttled_time 0
cpu.cfs_period_us: 100000
cpu.cfs_quota_us: -1
cpu.shares: 1024
cpuacct.stat: user 91373
    system 8156091
cpuacct.usage_percpu: 41508567422657 43522389859855 41007220117797 38171498052525 28157228685390 28451779832726 19457777703452 19481644594782 13827320158119 13638887599693 15905338936204 15921013620247 22610645227540 23256431187951 19124192319370 17617504293692 14831317576657 14963573355789 10429663169917 10396672139884 7580644354161 7541682767919 10060737621193 9969093934859 
cpuacct.usage: 487432824532379
memory.memsw.failcnt: 0
memory.memsw.limit_in_bytes: 9223372036854775807
memory.memsw.max_usage_in_bytes: 24061014016
memory.memsw.usage_in_bytes: 11714752512
memory.oom_control: oom_kill_disable 0
    under_oom 0
memory.move_charge_at_immigrate: 0
memory.swappiness: 10
memory.use_hierarchy: 1
memory.force_empty: 
memory.stat: cache 2957312
    rss 11710672896
    mapped_file 24576
    pgpgin 154682126
    pgpgout 153134090
    swap 0
    inactive_anon 49152
    active_anon 11710623744
    inactive_file 2748416
    active_file 188416
    unevictable 0
    hierarchical_memory_limit 37368627200
    hierarchical_memsw_limit 9223372036854775807
    total_cache 2957312
    total_rss 11710672896
    total_mapped_file 24576
    total_pgpgin 154682126
    total_pgpgout 153134090
    total_swap 0
    total_inactive_anon 49152
    total_active_anon 11710623744
    total_inactive_file 2748416
    total_active_file 188416
    total_unevictable 0
memory.failcnt: 0
memory.soft_limit_in_bytes: 9223372036854775807
memory.limit_in_bytes: 37368627200
memory.max_usage_in_bytes: 24061014016
memory.usage_in_bytes: 11714752512
devices.list: b 253:9 rw
    b 253:8 rw
    c 136:* rw
    c 1:3 rw
    c 1:7 rw
    c 1:5 rw
    c 1:8 rw
    c 1:9 rw
    c 5:2 rw
    c 10:232 rw
    c 254:0 rw
    c 10:228 rw
devices.deny: 
devices.allow: 
freezer.state: THAWED
blkio.throttle.io_serviced: 253:8 Read 13566965
    253:8 Write 11272645
    253:8 Sync 0
    253:8 Async 24839610
    253:8 Total 24839610
    253:7 Read 13794024
    253:7 Write 14681932
    253:7 Sync 0
    253:7 Async 28475956
    253:7 Total 28475956
    253:9 Read 227059
    253:9 Write 3409287
    253:9 Sync 0
    253:9 Async 3636346
    253:9 Total 3636346
    253:5 Read 16969
    253:5 Write 122446
    253:5 Sync 0
    253:5 Async 139415
    253:5 Total 139415
    253:6 Read 16969
    253:6 Write 122446
    253:6 Sync 0
    253:6 Async 139415
    253:6 Total 139415
    253:1 Read 108
    253:1 Write 0
    253:1 Sync 0
    253:1 Async 108
    253:1 Total 108
    Total 57230850
blkio.throttle.io_service_bytes: 253:8 Read 211119605760
    253:8 Write 1614540419072
    253:8 Sync 0
    253:8 Async 1825660024832
    253:8 Total 1825660024832
    253:7 Read 224238285824
    253:7 Write 1774989701120
    253:7 Sync 0
    253:7 Async 1999227986944
    253:7 Total 1999227986944
    253:9 Read 13118680064
    253:9 Write 160449282048
    253:9 Sync 0
    253:9 Async 173567962112
    253:9 Total 173567962112
    253:5 Read 1635995648
    253:5 Write 2157363200
    253:5 Sync 0
    253:5 Async 3793358848
    253:5 Total 3793358848
    253:6 Read 1635995648
    253:6 Write 2157363200
    253:6 Sync 0
    253:6 Async 3793358848
    253:6 Total 3793358848
    253:1 Read 2871296
    253:1 Write 0
    253:1 Sync 0
    253:1 Async 2871296
    253:1 Total 2871296
    Total 4006045562880
blkio.throttle.write_iops_device: 
blkio.throttle.read_iops_device: 
blkio.throttle.write_bps_device: 
blkio.throttle.read_bps_device: 
blkio.reset_stats: 
blkio.io_queued: Total 0
blkio.io_merged: Total 0
blkio.io_wait_time: Total 0
blkio.io_service_time: Total 0
blkio.io_serviced: Total 0
blkio.io_service_bytes: Total 0
blkio.sectors: 
blkio.time: 
blkio.weight: 500
blkio.weight_device: 


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