Created
October 6, 2022 14:25
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output of vdostats on latest el8
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| pool1-vdopool-vpool : | |
| version : 31 | |
| release version : 133524 | |
| data blocks used : 55 | |
| overhead blocks used : 1048646 | |
| logical blocks used : 2651 | |
| physical blocks : 2620416 | |
| logical blocks : 3145984 | |
| 1K-blocks : 10481664 | |
| 1K-blocks used : 4194804 | |
| 1K-blocks available : 6286860 | |
| used percent : 40 | |
| saving percent : 97 | |
| block map cache size : 134217728 | |
| write policy : async | |
| block size : 4096 | |
| completed recovery count : 0 | |
| read-only recovery count : 0 | |
| operating mode : normal | |
| recovery progress (%) : N/A | |
| compressed fragments written : 540 | |
| compressed blocks written : 39 | |
| compressed fragments in packer : 8 | |
| slab count : 3 | |
| slabs opened : 1 | |
| slabs reopened : 0 | |
| journal disk full count : 0 | |
| journal commits requested count : 0 | |
| journal entries batching : 0 | |
| journal entries started : 6390 | |
| journal entries writing : 0 | |
| journal entries written : 6390 | |
| journal entries committed : 6390 | |
| journal blocks batching : 0 | |
| journal blocks started : 90 | |
| journal blocks writing : 0 | |
| journal blocks written : 90 | |
| journal blocks committed : 90 | |
| slab journal disk full count : 0 | |
| slab journal flush count : 0 | |
| slab journal blocked count : 0 | |
| slab journal blocks written : 0 | |
| slab journal tail busy count : 0 | |
| slab summary blocks written : 0 | |
| reference blocks written : 0 | |
| block map dirty pages : 8 | |
| block map clean pages : 0 | |
| block map free pages : 32760 | |
| block map failed pages : 0 | |
| block map incoming pages : 0 | |
| block map outgoing pages : 0 | |
| block map cache pressure : 0 | |
| block map read count : 4039 | |
| block map write count : 3179 | |
| block map failed reads : 0 | |
| block map failed writes : 0 | |
| block map reclaimed : 0 | |
| block map read outgoing : 0 | |
| block map found in cache : 5506 | |
| block map discard required : 0 | |
| block map wait for page : 1704 | |
| block map fetch required : 8 | |
| block map pages loaded : 8 | |
| block map pages saved : 0 | |
| block map flush count : 0 | |
| dedupe advice valid : 0 | |
| dedupe advice stale : 0 | |
| concurrent data matches : 3 | |
| concurrent hash collisions : 0 | |
| invalid advice PBN count : 0 | |
| no space error count : 0 | |
| read only error count : 0 | |
| instance : 1 | |
| 512 byte emulation : off | |
| current VDO IO requests in progress : 8 | |
| maximum VDO IO requests in progress : 1906 | |
| dedupe advice timeouts : 0 | |
| flush out : 2 | |
| write amplification ratio : 0.0 | |
| bios in read : 1390 | |
| bios in write : 3148917 | |
| bios in discard : 3145728 | |
| bios in flush : 2 | |
| bios in fua : 0 | |
| bios in partial read : 0 | |
| bios in partial write : 0 | |
| bios in partial discard : 0 | |
| bios in partial flush : 0 | |
| bios in partial fua : 0 | |
| bios out read : 119 | |
| bios out write : 12 | |
| bios out discard : 0 | |
| bios out flush : 0 | |
| bios out fua : 0 | |
| bios meta read : 69 | |
| bios meta write : 194 | |
| bios meta discard : 0 | |
| bios meta flush : 91 | |
| bios meta fua : 1 | |
| bios journal read : 0 | |
| bios journal write : 90 | |
| bios journal discard : 0 | |
| bios journal flush : 90 | |
| bios journal fua : 0 | |
| bios page cache read : 8 | |
| bios page cache write : 0 | |
| bios page cache discard : 0 | |
| bios page cache flush : 0 | |
| bios page cache fua : 0 | |
| bios out completed read : 119 | |
| bios out completed write : 12 | |
| bios out completed discard : 0 | |
| bios out completed flush : 0 | |
| bios out completed fua : 0 | |
| bios meta completed read : 69 | |
| bios meta completed write : 194 | |
| bios meta completed discard : 0 | |
| bios meta completed flush : 0 | |
| bios meta completed fua : 1 | |
| bios journal completed read : 0 | |
| bios journal completed write : 90 | |
| bios journal completed discard : 0 | |
| bios journal completed flush : 0 | |
| bios journal completed fua : 0 | |
| bios page cache completed read : 8 | |
| bios page cache completed write : 0 | |
| bios page cache completed discard : 0 | |
| bios page cache completed flush : 0 | |
| bios page cache completed fua : 0 | |
| bios acknowledged read : 1390 | |
| bios acknowledged write : 3148917 | |
| bios acknowledged discard : 3145728 | |
| bios acknowledged flush : 2 | |
| bios acknowledged fua : 0 | |
| bios acknowledged partial read : 0 | |
| bios acknowledged partial write : 0 | |
| bios acknowledged partial discard : 0 | |
| bios acknowledged partial flush : 0 | |
| bios acknowledged partial fua : 0 | |
| bios in progress read : 0 | |
| bios in progress write : 0 | |
| bios in progress discard : 0 | |
| bios in progress flush : 0 | |
| bios in progress fua : 0 | |
| KVDO module bytes used : 409657440 | |
| KVDO module peak bytes used : 410706048 | |
| entries indexed : 560 | |
| posts found : 0 | |
| posts not found : 560 | |
| queries found : 0 | |
| queries not found : 0 | |
| updates found : 540 | |
| updates not found : 0 | |
| current dedupe queries : 0 | |
| maximum dedupe queries : 504 |
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