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Red Hat Bugzilla – Attachment 1478031 Details for
Bug 1613425
Low sequential write throughput with VDO in RHHI 2.0
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vdo_status_ouput
sequential.write.iodepth_16.dedupe_100.out (text/plain), 6.79 KB, created by
Nikhil Chawla
on 2018-08-23 04:16:02 UTC
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Description:
vdo_status_ouput
Filename:
MIME Type:
Creator:
Nikhil Chawla
Created:
2018-08-23 04:16:02 UTC
Size:
6.79 KB
patch
obsolete
>VDO status: > Date: '2018-07-18 12:14:02-04:00' > Node: smerf01.sbu.lab.eng.bos.redhat.com >Kernel module: > Loaded: true > Name: kvdo > Version information: > kvdo version: 6.1.0.171 >Configuration: > File: /etc/vdoconf.yml > Last modified: '2018-07-16 05:51:13' >VDOs: > vdo_nvme: > Acknowledgement threads: 1 > Activate: enabled > Bio rotation interval: 64 > Bio submission threads: 4 > Block map cache size: 128M > Block map period: 16380 > Block size: 4096 > CPU-work threads: 2 > Compression: enabled > Configured write policy: auto > Deduplication: enabled > Device mapper status: 0 6291456000 vdo /dev/nvme0n1 albserver online cpu=2,bio=4,ack=1,bioRotationInterval=64 > Emulate 512 byte: enabled > Hash zone threads: 1 > Index checkpoint frequency: 0 > Index memory setting: 0.25 > Index parallel factor: 0 > Index sparse: disabled > Index status: online > Logical size: 3000G > Logical threads: 1 > Physical size: 390711384K > Physical threads: 1 > Read cache: enabled > Read cache size: 20M > Slab size: 32G > Storage device: /dev/nvme0n1 > VDO statistics: > /dev/mapper/vdo_nvme: > 1K-blocks: 390711384 > 1K-blocks available: 271818336 > 1K-blocks used: 118893048 > 512 byte emulation: true > KVDO module bios used: 127532 > KVDO module bytes used: 6302331376 > KVDO module peak bio count: 127820 > KVDO module peak bytes used: 6302338032 > bios acknowledged discard: 0 > bios acknowledged flush: 20629083 > bios acknowledged fua: 11828215 > bios acknowledged partial discard: 0 > bios acknowledged partial flush: 0 > bios acknowledged partial fua: 0 > bios acknowledged partial read: 1010289938 > bios acknowledged partial write: 1525487 > bios acknowledged read: 1018211381 > bios acknowledged write: 2743495061 > bios in discard: 0 > bios in flush: 20629083 > bios in fua: 11828215 > bios in partial discard: 0 > bios in partial flush: 0 > bios in partial fua: 0 > bios in partial read: 429 > bios in partial write: 1525487 > bios in progress discard: 0 > bios in progress flush: 0 > bios in progress fua: 0 > bios in progress read: 0 > bios in progress write: 0 > bios in read: 1018211381 > bios in write: 2743495061 > bios journal completed discard: 0 > bios journal completed flush: 0 > bios journal completed fua: 0 > bios journal completed read: 0 > bios journal completed write: 447524402 > bios journal discard: 0 > bios journal flush: 447524402 > bios journal fua: 447524402 > bios journal read: 0 > bios journal write: 447524402 > bios meta completed discard: 0 > bios meta completed flush: 0 > bios meta completed fua: 0 > bios meta completed read: 32176878 > bios meta completed write: 513305933 > bios meta discard: 0 > bios meta flush: 468178189 > bios meta fua: 447524403 > bios meta read: 32176878 > bios meta write: 513305933 > bios out completed discard: 0 > bios out completed flush: 0 > bios out completed fua: 0 > bios out completed read: 2164587368 > bios out completed write: 2508836534 > bios out discard: 0 > bios out flush: 0 > bios out fua: 0 > bios out read: 2164587368 > bios out write: 2508836534 > bios page cache completed discard: 0 > bios page cache completed flush: 0 > bios page cache completed fua: 0 > bios page cache completed read: 32176817 > bios page cache completed write: 19416565 > bios page cache discard: 0 > bios page cache flush: 104473 > bios page cache fua: 0 > bios page cache read: 32176817 > bios page cache write: 19416565 > block map cache pressure: 0 > block map cache size: 134217728 > block map clean pages: 29318 > block map dirty pages: 3450 > block map discard required: 33201941 > block map failed pages: 0 > block map failed reads: 0 > block map failed writes: 0 > block map fetch required: 32768 > block map flush count: 17003495 > block map found in cache: 8465818226 > block map free pages: 0 > block map incoming pages: 0 > block map outgoing pages: 0 > block map pages loaded: 32176817 > block map pages saved: 19312092 > block map read count: 3742596493 > block map read outgoing: 2239 > block map reclaimed: 3402 > block map wait for page: 94624940 > block map write count: 4851081382 > block size: 4096 > completed recovery count: 0 > compressed blocks written: 19016304 > compressed fragments in packer: 40 > compressed fragments written: 40502365 > current VDO IO requests in progress: 40 > current dedupe queries: 0 > data blocks used: 24189961 > dedupe advice stale: 78432052 > dedupe advice timeouts: 0 > dedupe advice valid: 1677811179 > entries indexed: 16873697 > flush out: 20629083 > instance: 1 > invalid advice PBN count: 0 > journal blocks batching: 0 > journal blocks committed: 447524402 > journal blocks started: 447524402 > journal blocks writing: 0 > journal blocks written: 447524402 > journal commits requested count: 140565 > journal disk full count: 0 > journal entries batching: 0 > journal entries committed: 9702267552 > journal entries started: 9702267552 > journal entries writing: 0 > journal entries written: 9702267552 > logical blocks: 786432000 > logical blocks used: 84829811 > maximum VDO IO requests in progress: 2000 > maximum dedupe queries: 1985 > no space error count: 0 > operating mode: normal > overhead blocks used: 5533301 > physical blocks: 97677846 > posts found: 1731873525 > posts not found: 340290800 > queries found: 0 > queries not found: 0 > read cache accesses: 1763517824 > read cache data hits: 609039526 > read cache hits: 609305978 > read only error count: 0 > read-only recovery count: 0 > recovery progress (%): N/A > reference blocks written: 13740676 > release version: 131337 > saving percent: 71 > slab count: 11 > slab journal blocked count: 0 > slab journal blocks written: 6798620 > slab journal disk full count: 0 > slab journal flush count: 1607109 > slab journal tail busy count: 0 > slab summary blocks written: 6798044 > slabs opened: 11 > slabs reopened: 402 > updates found: 121067188 > updates not found: 0 > used percent: 30 > version: 26 > write amplification ratio: 1.1 > write policy: sync
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bug 1613425
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1474880
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