[2024-11-20 10:46:07.499965] Starting SPDK v25.01-pre git sha1 bb53e3ad9 / DPDK 24.03.0 initialization... [2024-11-20 10:46:07.500106] [ DPDK EAL parameters: rocksdb --no-shconf -c 0x1 --huge-unlink --no-telemetry --log-level=lib.eal:6 --log-level=lib.cryptodev:5 --log-level=lib.power:5 --log-level=user1:6 --base-virtaddr=0x200000000000 --match-allocations --file-prefix=spdk_pid3290333 ] Set seed to 1732095967496512 because --seed was 0 EAL: No free 2048 kB hugepages reported on node 1 [2024-11-20 10:46:07.627654] app.c: 919:spdk_app_start: *NOTICE*: Total cores available: 1 [2024-11-20 10:46:07.734292] app.c: 612:app_setup_trace: *NOTICE*: Tracepoint Group Mask 0x80 specified. [2024-11-20 10:46:07.734336] app.c: 613:app_setup_trace: *NOTICE*: Use 'spdk_trace -s rocksdb -p 3290333' to capture a snapshot of events at runtime. [2024-11-20 10:46:07.734347] app.c: 618:app_setup_trace: *NOTICE*: 'spdk_trace' without parameters will also work if this is the only [2024-11-20 10:46:07.734372] app.c: 619:app_setup_trace: *NOTICE*: SPDK application currently running. [2024-11-20 10:46:07.734381] app.c: 620:app_setup_trace: *NOTICE*: Or copy /dev/shm/rocksdb_trace.pid3290333 for offline analysis/debug. [2024-11-20 10:46:07.735870] reactor.c:1005:reactor_run: *NOTICE*: Reactor started on core 0 RocksDB: version 8.1.1 Date: Wed Nov 20 10:46:13 2024 CPU: 96 * Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz CPUCache: 36608 KB 2024/11/20-10:46:18 ... thread 0: (1000000,1000000) ops and (211580.5,211580.5) ops/second in (4.726334,4.726334) seconds ** Compaction Stats [default] ** Level Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ L0 18/13 3.26 GB 87.7 0.7 0.0 0.7 1.6 0.9 0.0 1.9 130.3 281.6 5.80 5.22 17 0.341 766K 3742 0.0 0.0 L1 8/8 689.30 MB 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 L2 1/0 56.69 MB 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 L3 15/0 891.31 MB 0.9 0.2 0.1 0.1 0.2 0.1 0.0 1.7 178.4 176.2 1.26 1.04 1 1.261 0 0 0.0 0.0 L4 124/0 9.55 GB 1.0 0.5 0.4 0.1 0.5 0.4 0.1 1.3 193.6 191.2 2.70 2.33 3 0.900 33K 0 0.0 0.0 L5 128/0 10.52 GB 0.1 0.0 0.0 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 Sum 294/21 24.92 GB 0.0 1.5 0.5 1.0 2.3 1.4 0.7 2.7 154.0 242.9 9.76 8.59 21 0.465 799K 3742 0.0 0.0 Int 0/0 0.00 KB 0.0 1.5 0.5 1.0 2.3 1.4 0.7 2.7 154.0 242.9 9.76 8.59 21 0.465 799K 3742 0.0 0.0 ** Compaction Stats [default] ** Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Low 0/0 0.00 KB 0.0 1.5 0.5 1.0 1.5 0.5 0.0 0.0 220.4 218.4 6.82 6.18 7 0.974 799K 3742 0.0 0.0 High 0/0 0.00 KB 0.0 0.0 0.0 0.0 0.9 0.9 0.0 0.0 0.0 299.8 2.94 2.41 14 0.210 0 0 0.0 0.0 Blob file count: 0, total size: 0.0 GB, garbage size: 0.0 GB, space amp: 0.0 Uptime(secs): 4.8 total, 4.7 interval Flush(GB): cumulative 0.860, interval 0.860 AddFile(GB): cumulative 0.000, interval 0.000 AddFile(Total Files): cumulative 0, interval 0 AddFile(L0 Files): cumulative 0, interval 0 AddFile(Keys): cumulative 0, interval 0 Cumulative compaction: 2.31 GB write, 491.14 MB/s write, 1.47 GB read, 311.37 MB/s read, 9.8 seconds Interval compaction: 2.31 GB write, 501.30 MB/s write, 1.47 GB read, 317.80 MB/s read, 9.8 seconds Write Stall (count): cf-l0-file-count-limit-delays-with-ongoing-compaction: 6, cf-l0-file-count-limit-stops-with-ongoing-compaction: 0, l0-file-count-limit-delays: 6, l0-file-count-limit-stops: 0, memtable-limit-delays: 0, memtable-limit-stops: 0, pending-compaction-bytes-delays: 0, pending-compaction-bytes-stops: 0, total-delays: 6, total-stops: 0, interval: 6 total count ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 226961 Average: 36.9249 StdDev: 183.59 Min: 1 Median: 1.5708 Max: 18432 Percentiles: P50: 1.57 P75: 2.25 P99: 507.55 P99.9: 1059.09 P99.99: 1435.75 ------------------------------------------------------ [ 0, 1 ] 44485 19.600% 19.600% #### ( 1, 2 ] 120873 53.257% 72.857% ########### ( 2, 3 ] 19422 8.557% 81.415% ## ( 3, 4 ] 5527 2.435% 83.850% ( 4, 6 ] 4087 1.801% 85.651% ( 6, 10 ] 891 0.393% 86.043% ( 10, 15 ] 211 0.093% 86.136% ( 15, 22 ] 33 0.015% 86.151% ( 22, 34 ] 6 0.003% 86.154% ( 34, 51 ] 3 0.001% 86.155% ( 51, 76 ] 2 0.001% 86.156% ( 76, 110 ] 941 0.415% 86.570% ( 110, 170 ] 12656 5.576% 92.147% # ( 170, 250 ] 10459 4.608% 96.755% # ( 250, 380 ] 3552 1.565% 98.320% ( 380, 580 ] 2420 1.066% 99.386% ( 580, 870 ] 1024 0.451% 99.837% ( 870, 1300 ] 323 0.142% 99.980% ( 1300, 1900 ] 103 0.045% 100.025% ( 1900, 2900 ] 68 0.030% 100.055% ( 2900, 4400 ] 18 0.008% 100.063% ( 4400, 6600 ] 1 0.000% 100.063% ( 6600, 9900 ] 4 0.002% 100.065% ( 9900, 14000 ] 14 0.006% 100.071% ( 14000, 22000 ] 9 0.004% 100.075% ** Level 1 read latency histogram (micros): Count: 1548 Average: 318.1764 StdDev: 964.69 Min: 86 Median: 182.5103 Max: 16839 Percentiles: P50: 182.51 P75: 246.21 P99: 1852.00 P99.9: 16839.00 P99.99: 16839.00 ------------------------------------------------------ ( 76, 110 ] 52 3.359% 3.359% # ( 110, 170 ] 646 41.731% 45.090% ######## ( 170, 250 ] 486 31.395% 76.486% ###### ( 250, 380 ] 154 9.948% 86.434% ## ( 380, 580 ] 112 7.235% 93.669% # ( 580, 870 ] 51 3.295% 96.964% # ( 870, 1300 ] 26 1.680% 98.643% ( 1300, 1900 ] 6 0.388% 99.031% ( 1900, 2900 ] 1 0.065% 99.096% ( 2900, 4400 ] 4 0.258% 99.354% ( 4400, 6600 ] 1 0.065% 99.419% ( 6600, 9900 ] 4 0.258% 99.677% ( 9900, 14000 ] 2 0.129% 99.806% ( 14000, 22000 ] 3 0.194% 100.000% ** Level 2 read latency histogram (micros): Count: 147 Average: 271.1497 StdDev: 366.25 Min: 90 Median: 176.6667 Max: 3079 Percentiles: P50: 176.67 P75: 246.67 P99: 2430.00 P99.9: 3079.00 P99.99: 3079.00 ------------------------------------------------------ ( 76, 110 ] 6 4.082% 4.082% # ( 110, 170 ] 64 43.537% 47.619% ######### ( 170, 250 ] 42 28.571% 76.190% ###### ( 250, 380 ] 14 9.524% 85.714% ## ( 380, 580 ] 9 6.122% 91.837% # ( 580, 870 ] 7 4.762% 96.599% # ( 870, 1300 ] 2 1.361% 97.959% ( 1300, 1900 ] 1 0.680% 98.639% ( 1900, 2900 ] 1 0.680% 99.320% ( 2900, 4400 ] 1 0.680% 100.000% ** Level 3 read latency histogram (micros): Count: 92701 Average: 11.1395 StdDev: 75.54 Min: 1 Median: 1.7046 Max: 4265 Percentiles: P50: 1.70 P75: 2.40 P99: 236.98 P99.9: 771.04 P99.99: 1266.52 ------------------------------------------------------ [ 0, 1 ] 7010 7.562% 7.562% ## ( 1, 2 ] 55830 60.226% 67.788% ############ ( 2, 3 ] 16773 18.094% 85.881% #### ( 3, 4 ] 4516 4.872% 90.753% # ( 4, 6 ] 3707 3.999% 94.752% # ( 6, 10 ] 1728 1.864% 96.616% ( 10, 15 ] 308 0.332% 96.948% ( 15, 22 ] 60 0.065% 97.013% ( 22, 34 ] 5 0.005% 97.018% ( 34, 51 ] 2 0.002% 97.021% ( 51, 76 ] 3 0.003% 97.024% ( 76, 110 ] 90 0.097% 97.121% ( 110, 170 ] 1006 1.085% 98.206% ( 170, 250 ] 879 0.948% 99.154% ( 250, 380 ] 353 0.381% 99.535% ( 380, 580 ] 252 0.272% 99.807% ( 580, 870 ] 131 0.141% 99.948% ( 870, 1300 ] 42 0.045% 99.994% ( 1300, 1900 ] 21 0.023% 100.016% ( 1900, 2900 ] 21 0.023% 100.039% ( 2900, 4400 ] 11 0.012% 100.051% ** Level 4 read latency histogram (micros): Count: 50064 Average: 119.2036 StdDev: 253.48 Min: 1 Median: 4.2637 Max: 8199 Percentiles: P50: 4.26 P75: 170.18 P99: 860.94 P99.9: 3502.83 P99.99: 4643.66 ------------------------------------------------------ [ 0, 1 ] 1566 3.128% 3.128% # ( 1, 2 ] 15894 31.747% 34.875% ###### ( 2, 3 ] 5585 11.156% 46.031% ## ( 3, 4 ] 1795 3.585% 49.616% # ( 4, 6 ] 1456 2.908% 52.525% # ( 6, 10 ] 510 1.019% 53.543% ( 10, 15 ] 102 0.204% 53.747% ( 15, 22 ] 13 0.026% 53.773% ( 22, 34 ] 4 0.008% 53.781% ( 51, 76 ] 4 0.008% 53.789% ( 76, 110 ] 910 1.818% 55.607% ( 110, 170 ] 9693 19.361% 74.968% #### ( 170, 250 ] 7149 14.280% 89.248% ### ( 250, 380 ] 2508 5.010% 94.257% # ( 380, 580 ] 1672 3.340% 97.597% # ( 580, 870 ] 725 1.448% 99.045% ( 870, 1300 ] 208 0.415% 99.461% ( 1300, 1900 ] 94 0.188% 99.648% ( 1900, 2900 ] 97 0.194% 99.842% ( 2900, 4400 ] 72 0.144% 99.986% ( 4400, 6600 ] 18 0.036% 100.022% ( 6600, 9900 ] 2 0.004% 100.026% ** Level 5 read latency histogram (micros): Count: 22852 Average: 254.7507 StdDev: 334.56 Min: 81 Median: 181.2091 Max: 8447 Percentiles: P50: 181.21 P75: 244.36 P99: 1572.92 P99.9: 4780.23 P99.99: 7386.28 ------------------------------------------------------ ( 76, 110 ] 916 4.008% 4.008% # ( 110, 170 ] 9496 41.554% 45.563% ######## ( 170, 250 ] 7237 31.669% 77.232% ###### ( 250, 380 ] 2408 10.537% 87.769% ## ( 380, 580 ] 1598 6.993% 94.762% # ( 580, 870 ] 699 3.059% 97.821% # ( 870, 1300 ] 234 1.024% 98.845% ( 1300, 1900 ] 78 0.341% 99.186% ( 1900, 2900 ] 90 0.394% 99.580% ( 2900, 4400 ] 69 0.302% 99.882% ( 4400, 6600 ] 24 0.105% 99.987% ( 6600, 9900 ] 3 0.013% 100.000% ** DB Stats ** Uptime(secs): 4.8 total, 4.7 interval Cumulative writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 0.96 GB, 203.90 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:1.214 H:M:S, 25.1 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 208.08 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:1.214 H:M:S, 25.7 percent Write Stall (count): write-buffer-manager-limit-stops: 0, num-running-compactions: 1 num-running-flushes: 1 2024/11/20-10:46:28 ... thread 0: (1000000,2000000) ops and (102949.3,138505.6) ops/second in (9.713520,14.439854) seconds ** Compaction Stats [default] ** Level Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ L0 18/17 4.21 GB 104.3 2.8 0.0 2.8 4.6 1.8 0.0 2.5 168.8 279.6 16.74 15.45 38 0.441 2869K 30K 0.0 0.0 L1 8/8 689.30 MB 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 L2 1/0 56.69 MB 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 L3 15/0 891.31 MB 0.9 0.2 0.1 0.1 0.2 0.1 0.0 1.7 178.4 176.2 1.26 1.04 1 1.261 0 0 0.0 0.0 L4 124/0 9.55 GB 1.0 0.5 0.4 0.1 0.5 0.4 0.1 1.3 193.6 191.2 2.70 2.33 3 0.900 33K 0 0.0 0.0 L5 128/0 10.52 GB 0.1 0.0 0.0 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 Sum 294/25 25.88 GB 0.0 3.5 0.5 3.0 5.3 2.3 0.7 2.9 172.6 261.8 20.71 18.82 42 0.493 2903K 30K 0.0 0.0 Int 0/0 0.00 KB 0.0 3.5 0.5 3.0 5.3 2.3 0.7 2.9 172.6 261.8 20.71 18.82 42 0.493 2903K 30K 0.0 0.0 ** Compaction Stats [default] ** Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Low 0/0 0.00 KB 0.0 3.5 0.5 3.0 3.5 0.5 0.0 0.0 245.1 242.4 14.58 13.75 12 1.215 2903K 30K 0.0 0.0 High 0/0 0.00 KB 0.0 0.0 0.0 0.0 1.8 1.8 0.0 0.0 0.0 308.1 6.13 5.07 30 0.204 0 0 0.0 0.0 Blob file count: 0, total size: 0.0 GB, garbage size: 0.0 GB, space amp: 0.0 Uptime(secs): 14.5 total, 14.4 interval Flush(GB): cumulative 1.843, interval 1.843 AddFile(GB): cumulative 0.000, interval 0.000 AddFile(Total Files): cumulative 0, interval 0 AddFile(L0 Files): cumulative 0, interval 0 AddFile(Keys): cumulative 0, interval 0 Cumulative compaction: 5.29 GB write, 372.85 MB/s write, 3.49 GB read, 245.80 MB/s read, 20.7 seconds Interval compaction: 5.29 GB write, 375.37 MB/s write, 3.49 GB read, 247.46 MB/s read, 20.7 seconds Write Stall (count): cf-l0-file-count-limit-delays-with-ongoing-compaction: 19, cf-l0-file-count-limit-stops-with-ongoing-compaction: 0, l0-file-count-limit-delays: 19, l0-file-count-limit-stops: 0, memtable-limit-delays: 0, memtable-limit-stops: 0, pending-compaction-bytes-delays: 0, pending-compaction-bytes-stops: 0, total-delays: 19, total-stops: 0, interval: 19 total count ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 867424 Average: 30.0991 StdDev: 115.98 Min: 0 Median: 1.4952 Max: 18432 Percentiles: P50: 1.50 P75: 1.98 P99: 367.70 P99.9: 739.14 P99.99: 856.51 ------------------------------------------------------ [ 0, 1 ] 210213 24.234% 24.234% ##### ( 1, 2 ] 451332 52.031% 76.265% ########## ( 2, 3 ] 55267 6.371% 82.637% # ( 3, 4 ] 17256 1.989% 84.626% ( 4, 6 ] 11673 1.346% 85.972% ( 6, 10 ] 2739 0.316% 86.288% ( 10, 15 ] 668 0.077% 86.365% ( 15, 22 ] 98 0.011% 86.376% ( 22, 34 ] 16 0.002% 86.378% ( 34, 51 ] 5 0.001% 86.378% ( 51, 76 ] 18 0.002% 86.380% ( 76, 110 ] 4223 0.487% 86.867% ( 110, 170 ] 56790 6.547% 93.414% # ( 170, 250 ] 40184 4.633% 98.047% # ( 250, 380 ] 9136 1.053% 99.100% ( 380, 580 ] 5884 0.678% 99.778% ( 580, 870 ] 1929 0.222% 100.001% ( 870, 1300 ] 410 0.047% 100.048% ( 1300, 1900 ] 121 0.014% 100.062% ( 1900, 2900 ] 112 0.013% 100.075% ( 2900, 4400 ] 45 0.005% 100.080% ( 4400, 6600 ] 1 0.000% 100.080% ( 6600, 9900 ] 4 0.000% 100.081% ( 9900, 14000 ] 14 0.002% 100.082% ( 14000, 22000 ] 9 0.001% 100.083% ** Level 1 read latency histogram (micros): Count: 5408 Average: 224.6857 StdDev: 526.65 Min: 86 Median: 165.7607 Max: 16839 Percentiles: P50: 165.76 P75: 223.87 P99: 866.67 P99.9: 9563.40 P99.99: 16839.00 ------------------------------------------------------ ( 76, 110 ] 218 4.031% 4.031% # ( 110, 170 ] 2675 49.464% 53.495% ########## ( 170, 250 ] 1727 31.934% 85.429% ###### ( 250, 380 ] 397 7.341% 92.770% # ( 380, 580 ] 244 4.512% 97.282% # ( 580, 870 ] 94 1.738% 99.020% ( 870, 1300 ] 31 0.573% 99.593% ( 1300, 1900 ] 6 0.111% 99.704% ( 1900, 2900 ] 2 0.037% 99.741% ( 2900, 4400 ] 4 0.074% 99.815% ( 4400, 6600 ] 1 0.018% 99.834% ( 6600, 9900 ] 4 0.074% 99.908% ( 9900, 14000 ] 2 0.037% 99.945% ( 14000, 22000 ] 3 0.055% 100.000% ** Level 2 read latency histogram (micros): Count: 555 Average: 209.8685 StdDev: 218.62 Min: 89 Median: 163.7676 Max: 3079 Percentiles: P50: 163.77 P75: 221.72 P99: 966.75 P99.9: 3079.00 P99.99: 3079.00 ------------------------------------------------------ ( 76, 110 ] 23 4.144% 4.144% # ( 110, 170 ] 284 51.171% 55.315% ########## ( 170, 250 ] 169 30.450% 85.766% ###### ( 250, 380 ] 40 7.207% 92.973% # ( 380, 580 ] 21 3.784% 96.757% # ( 580, 870 ] 12 2.162% 98.919% ( 870, 1300 ] 2 0.360% 99.279% ( 1300, 1900 ] 1 0.180% 99.459% ( 1900, 2900 ] 2 0.360% 99.820% ( 2900, 4400 ] 1 0.180% 100.000% ** Level 3 read latency histogram (micros): Count: 99663 Average: 23.0642 StdDev: 89.59 Min: 1 Median: 1.7668 Max: 4265 Percentiles: P50: 1.77 P75: 2.71 P99: 342.66 P99.9: 807.40 P99.99: 1325.84 ------------------------------------------------------ [ 0, 1 ] 7010 7.034% 7.034% # ( 1, 2 ] 55846 56.035% 63.069% ########### ( 2, 3 ] 16826 16.883% 79.951% ### ( 3, 4 ] 4595 4.611% 84.562% # ( 4, 6 ] 3781 3.794% 88.356% # ( 6, 10 ] 1734 1.740% 90.096% ( 10, 15 ] 312 0.313% 90.409% ( 15, 22 ] 60 0.060% 90.469% ( 22, 34 ] 5 0.005% 90.474% ( 34, 51 ] 2 0.002% 90.476% ( 51, 76 ] 3 0.003% 90.479% ( 76, 110 ] 407 0.408% 90.887% ( 110, 170 ] 4483 4.498% 95.385% # ( 170, 250 ] 3030 3.040% 98.426% # ( 250, 380 ] 803 0.806% 99.231% ( 380, 580 ] 515 0.517% 99.748% ( 580, 870 ] 193 0.194% 99.942% ( 870, 1300 ] 47 0.047% 99.989% ( 1300, 1900 ] 24 0.024% 100.013% ( 1900, 2900 ] 23 0.023% 100.036% ( 2900, 4400 ] 11 0.011% 100.047% ** Level 4 read latency histogram (micros): Count: 111636 Average: 154.2015 StdDev: 190.31 Min: 1 Median: 144.4088 Max: 8199 Percentiles: P50: 144.41 P75: 201.62 P99: 753.44 P99.9: 2653.25 P99.99: 4300.70 ------------------------------------------------------ [ 0, 1 ] 1566 1.403% 1.403% ( 1, 2 ] 15975 14.310% 15.713% ### ( 2, 3 ] 6007 5.381% 21.094% # ( 3, 4 ] 2241 2.007% 23.101% ( 4, 6 ] 1986 1.779% 24.880% ( 6, 10 ] 543 0.486% 25.366% ( 10, 15 ] 117 0.105% 25.471% ( 15, 22 ] 15 0.013% 25.485% ( 22, 34 ] 4 0.004% 25.488% ( 51, 76 ] 4 0.004% 25.492% ( 76, 110 ] 3767 3.374% 28.866% # ( 110, 170 ] 41140 36.852% 65.718% ####### ( 170, 250 ] 26214 23.482% 89.200% ##### ( 250, 380 ] 6227 5.578% 94.778% # ( 380, 580 ] 3926 3.517% 98.294% # ( 580, 870 ] 1317 1.180% 99.474% ( 870, 1300 ] 285 0.255% 99.729% ( 1300, 1900 ] 106 0.095% 99.824% ( 1900, 2900 ] 112 0.100% 99.925% ( 2900, 4400 ] 78 0.070% 99.995% ( 4400, 6600 ] 18 0.016% 100.011% ( 6600, 9900 ] 2 0.002% 100.013% ** Level 5 read latency histogram (micros): Count: 81222 Average: 206.5252 StdDev: 201.17 Min: 80 Median: 165.4987 Max: 8447 Percentiles: P50: 165.50 P75: 223.38 P99: 822.90 P99.9: 3270.38 P99.99: 6130.46 ------------------------------------------------------ ( 76, 110 ] 3586 4.415% 4.415% # ( 110, 170 ] 40028 49.282% 53.697% ########## ( 170, 250 ] 25930 31.925% 85.622% ###### ( 250, 380 ] 5917 7.285% 92.907% # ( 380, 580 ] 3880 4.777% 97.684% # ( 580, 870 ] 1276 1.571% 99.255% ( 870, 1300 ] 310 0.382% 99.637% ( 1300, 1900 ] 90 0.111% 99.748% ( 1900, 2900 ] 106 0.131% 99.878% ( 2900, 4400 ] 72 0.089% 99.967% ( 4400, 6600 ] 24 0.030% 99.996% ( 6600, 9900 ] 3 0.004% 100.000% ** DB Stats ** Uptime(secs): 14.5 total, 9.7 interval Cumulative writes: 0 writes, 2000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 1.92 GB, 135.38 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:7.391 H:M:S, 50.8 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 101.32 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:6.177 H:M:S, 63.6 percent Write Stall (count): write-buffer-manager-limit-stops: 0, num-running-compactions: 2 num-running-flushes: 1 using bdev Nvme0n1 Initializing RocksDB Options from the specified file Initializing RocksDB Options from command-line flags Integrated BlobDB: blob cache disabled Keys: 16 bytes each (+ 0 bytes user-defined timestamp) Values: 1000 bytes each (1000 bytes after compression) Entries: 20000000 Prefix: 0 bytes Keys per prefix: 0 RawSize: 19378.7 MB (estimated) FileSize: 19378.7 MB (estimated) Write rate: 0 bytes/second Read rate: 0 ops/second Compression: NoCompression Compression sampling rate: 0 Memtablerep: SkipListFactory Perf Level: 1 ------------------------------------------------ DB path: [/mnt/rocksdb] readwhilewriting : 259.540 micros/op 15343 ops/sec 20.204 seconds 309996 operations; 14.9 MB/s (77999 of 77999 found) Microseconds per read: Count: 309996 Average: 259.5457 StdDev: 410.65 Min: 1 Median: 213.0858 Max: 56198 Percentiles: P50: 213.09 P75: 286.15 P99: 883.51 P99.9: 4087.58 P99.99: 19391.37 ------------------------------------------------------ [ 0, 1 ] 1 0.000% 0.000% ( 1, 2 ] 12 0.004% 0.004% ( 2, 3 ] 53 0.017% 0.021% ( 3, 4 ] 75 0.024% 0.045% ( 4, 6 ] 148 0.048% 0.093% ( 6, 10 ] 359 0.116% 0.209% ( 10, 15 ] 2617 0.844% 1.053% ( 15, 22 ] 2816 0.908% 1.962% ( 22, 34 ] 6196 1.999% 3.960% ( 34, 51 ] 2115 0.682% 4.643% ( 51, 76 ] 217 0.070% 4.713% ( 76, 110 ] 521 0.168% 4.881% ( 110, 170 ] 65342 21.078% 25.959% #### ( 170, 250 ] 138377 44.638% 70.597% ######### ( 250, 380 ] 49076 15.831% 86.429% ### ( 380, 580 ] 28792 9.288% 95.716% ## ( 580, 870 ] 10106 3.260% 98.976% # ( 870, 1300 ] 2324 0.750% 99.726% ( 1300, 1900 ] 329 0.106% 99.832% ( 1900, 2900 ] 153 0.049% 99.882% ( 2900, 4400 ] 72 0.023% 99.905% ( 4400, 6600 ] 47 0.015% 99.920% ( 6600, 9900 ] 129 0.042% 99.962% ( 9900, 14000 ] 57 0.018% 99.980% ( 14000, 22000 ] 46 0.015% 99.995% ( 22000, 33000 ] 15 0.005% 100.000% ( 50000, 75000 ] 1 0.000% 100.000% STATISTICS: rocksdb.block.cache.miss COUNT : 0 rocksdb.block.cache.hit COUNT : 0 rocksdb.block.cache.add COUNT : 0 rocksdb.block.cache.add.failures COUNT : 0 rocksdb.block.cache.index.miss COUNT : 0 rocksdb.block.cache.index.hit COUNT : 0 rocksdb.block.cache.index.add COUNT : 0 rocksdb.block.cache.index.bytes.insert COUNT : 0 rocksdb.block.cache.filter.miss COUNT : 0 rocksdb.block.cache.filter.hit COUNT : 0 rocksdb.block.cache.filter.add COUNT : 0 rocksdb.block.cache.filter.bytes.insert COUNT : 0 rocksdb.block.cache.data.miss COUNT : 0 rocksdb.block.cache.data.hit COUNT : 0 rocksdb.block.cache.data.add COUNT : 0 rocksdb.block.cache.data.bytes.insert COUNT : 0 rocksdb.block.cache.bytes.read COUNT : 0 rocksdb.block.cache.bytes.write COUNT : 0 rocksdb.bloom.filter.useful COUNT : 5833827 rocksdb.bloom.filter.full.positive COUNT : 366249 rocksdb.bloom.filter.full.true.positive COUNT : 309329 rocksdb.persistent.cache.hit COUNT : 0 rocksdb.persistent.cache.miss COUNT : 0 rocksdb.sim.block.cache.hit COUNT : 0 rocksdb.sim.block.cache.miss COUNT : 0 rocksdb.memtable.hit COUNT : 667 rocksdb.memtable.miss COUNT : 309329 rocksdb.l0.hit COUNT : 56094 rocksdb.l1.hit COUNT : 8640 rocksdb.l2andup.hit COUNT : 244595 rocksdb.compaction.key.drop.new COUNT : 72364 rocksdb.compaction.key.drop.obsolete COUNT : 0 rocksdb.compaction.key.drop.range_del COUNT : 0 rocksdb.compaction.key.drop.user COUNT : 0 rocksdb.compaction.range_del.drop.obsolete COUNT : 0 rocksdb.compaction.optimized.del.drop.obsolete COUNT : 0 rocksdb.compaction.cancelled COUNT : 0 rocksdb.number.keys.written COUNT : 2498419 rocksdb.number.keys.read COUNT : 309996 rocksdb.number.keys.updated COUNT : 0 rocksdb.bytes.written COUNT : 2578368408 rocksdb.bytes.read COUNT : 309996000 rocksdb.number.db.seek COUNT : 0 rocksdb.number.db.next COUNT : 0 rocksdb.number.db.prev COUNT : 0 rocksdb.number.db.seek.found COUNT : 0 rocksdb.number.db.next.found COUNT : 0 rocksdb.number.db.prev.found COUNT : 0 rocksdb.db.iter.bytes.read COUNT : 0 rocksdb.no.file.opens COUNT : 348 rocksdb.no.file.errors COUNT : 0 rocksdb.stall.micros COUNT : 11291117 rocksdb.db.mutex.wait.micros COUNT : 0 rocksdb.number.multiget.get COUNT : 0 rocksdb.number.multiget.keys.read COUNT : 0 rocksdb.number.multiget.bytes.read COUNT : 0 rocksdb.number.merge.failures COUNT : 0 rocksdb.bloom.filter.prefix.checked COUNT : 0 rocksdb.bloom.filter.prefix.useful COUNT : 0 rocksdb.number.reseeks.iteration COUNT : 0 rocksdb.getupdatessince.calls COUNT : 0 rocksdb.wal.synced COUNT : 0 rocksdb.wal.bytes COUNT : 0 rocksdb.write.self COUNT : 0 rocksdb.write.other COUNT : 0 rocksdb.write.wal COUNT : 0 rocksdb.compact.read.bytes COUNT : 5461077038 rocksdb.compact.write.bytes COUNT : 5383720030 rocksdb.flush.write.bytes COUNT : 2572741560 rocksdb.compact.read.marked.bytes COUNT : 0 rocksdb.compact.read.periodic.bytes COUNT : 0 rocksdb.compact.read.ttl.bytes COUNT : 0 rocksdb.compact.write.marked.bytes COUNT : 0 rocksdb.compact.write.periodic.bytes COUNT : 0 rocksdb.compact.write.ttl.bytes COUNT : 0 rocksdb.number.direct.load.table.properties COUNT : 15 rocksdb.number.superversion_acquires COUNT : 399 rocksdb.number.superversion_releases COUNT : 371 rocksdb.number.superversion_cleanups COUNT : 95 rocksdb.number.block.compressed COUNT : 0 rocksdb.number.block.decompressed COUNT : 0 rocksdb.number.block.not_compressed COUNT : 0 rocksdb.merge.operation.time.nanos COUNT : 0 rocksdb.filter.operation.time.nanos COUNT : 0 rocksdb.row.cache.hit COUNT : 0 rocksdb.row.cache.miss COUNT : 0 rocksdb.read.amp.estimate.useful.bytes COUNT : 0 rocksdb.read.amp.total.read.bytes COUNT : 0 rocksdb.number.rate_limiter.drains COUNT : 0 rocksdb.number.iter.skip COUNT : 0 rocksdb.blobdb.num.put COUNT : 0 rocksdb.blobdb.num.write COUNT : 0 rocksdb.blobdb.num.get COUNT : 0 rocksdb.blobdb.num.multiget COUNT : 0 rocksdb.blobdb.num.seek COUNT : 0 rocksdb.blobdb.num.next COUNT : 0 rocksdb.blobdb.num.prev COUNT : 0 rocksdb.blobdb.num.keys.written COUNT : 0 rocksdb.blobdb.num.keys.read COUNT : 0 rocksdb.blobdb.bytes.written COUNT : 0 rocksdb.blobdb.bytes.read COUNT : 0 rocksdb.blobdb.write.inlined COUNT : 0 rocksdb.blobdb.write.inlined.ttl COUNT : 0 rocksdb.blobdb.write.blob COUNT : 0 rocksdb.blobdb.write.blob.ttl COUNT : 0 rocksdb.blobdb.blob.file.bytes.written COUNT : 0 rocksdb.blobdb.blob.file.bytes.read COUNT : 0 rocksdb.blobdb.blob.file.synced COUNT : 0 rocksdb.blobdb.blob.index.expired.count COUNT : 0 rocksdb.blobdb.blob.index.expired.size COUNT : 0 rocksdb.blobdb.blob.index.evicted.count COUNT : 0 rocksdb.blobdb.blob.index.evicted.size COUNT : 0 rocksdb.blobdb.gc.num.files COUNT : 0 rocksdb.blobdb.gc.num.new.files COUNT : 0 rocksdb.blobdb.gc.failures COUNT : 0 rocksdb.blobdb.gc.num.keys.relocated COUNT : 0 rocksdb.blobdb.gc.bytes.relocated COUNT : 0 rocksdb.blobdb.fifo.num.files.evicted COUNT : 0 rocksdb.blobdb.fifo.num.keys.evicted COUNT : 0 rocksdb.blobdb.fifo.bytes.evicted COUNT : 0 rocksdb.txn.overhead.mutex.prepare COUNT : 0 rocksdb.txn.overhead.mutex.old.commit.map COUNT : 0 rocksdb.txn.overhead.duplicate.key COUNT : 0 rocksdb.txn.overhead.mutex.snapshot COUNT : 0 rocksdb.txn.get.tryagain COUNT : 0 rocksdb.number.multiget.keys.found COUNT : 0 rocksdb.num.iterator.created COUNT : 0 rocksdb.num.iterator.deleted COUNT : 0 rocksdb.block.cache.compression.dict.miss COUNT : 0 rocksdb.block.cache.compression.dict.hit COUNT : 0 rocksdb.block.cache.compression.dict.add COUNT : 0 rocksdb.block.cache.compression.dict.bytes.insert COUNT : 0 rocksdb.block.cache.add.redundant COUNT : 0 rocksdb.block.cache.index.add.redundant COUNT : 0 rocksdb.block.cache.filter.add.redundant COUNT : 0 rocksdb.block.cache.data.add.redundant COUNT : 0 rocksdb.block.cache.compression.dict.add.redundant COUNT : 0 rocksdb.files.marked.trash COUNT : 0 rocksdb.files.deleted.immediately COUNT : 0 rocksdb.error.handler.bg.errro.count COUNT : 0 rocksdb.error.handler.bg.io.errro.count COUNT : 0 rocksdb.error.handler.bg.retryable.io.errro.count COUNT : 0 rocksdb.error.handler.autoresume.count COUNT : 0 rocksdb.error.handler.autoresume.retry.total.count COUNT : 0 rocksdb.error.handler.autoresume.success.count COUNT : 0 rocksdb.memtable.payload.bytes.at.flush COUNT : 2555485184 rocksdb.memtable.garbage.bytes.at.flush COUNT : 4186112 rocksdb.secondary.cache.hits COUNT : 0 rocksdb.verify_checksum.read.bytes COUNT : 0 rocksdb.backup.read.bytes COUNT : 0 rocksdb.backup.write.bytes COUNT : 0 rocksdb.remote.compact.read.bytes COUNT : 0 rocksdb.remote.compact.write.bytes COUNT : 0 rocksdb.hot.file.read.bytes COUNT : 0 rocksdb.warm.file.read.bytes COUNT : 0 rocksdb.cold.file.read.bytes COUNT : 0 rocksdb.hot.file.read.count COUNT : 0 rocksdb.warm.file.read.count COUNT : 0 rocksdb.cold.file.read.count COUNT : 0 rocksdb.last.level.read.bytes COUNT : 0 rocksdb.last.level.read.count COUNT : 0 rocksdb.non.last.level.read.bytes COUNT : 6834023718 rocksdb.non.last.level.read.count COUNT : 1618159 rocksdb.block.checksum.compute.count COUNT : 1693323 rocksdb.multiget.coroutine.count COUNT : 0 rocksdb.blobdb.cache.miss COUNT : 0 rocksdb.blobdb.cache.hit COUNT : 0 rocksdb.blobdb.cache.add COUNT : 0 rocksdb.blobdb.cache.add.failures COUNT : 0 rocksdb.blobdb.cache.bytes.read COUNT : 0 rocksdb.blobdb.cache.bytes.write COUNT : 0 rocksdb.read.async.micros COUNT : 0 rocksdb.async.read.error.count COUNT : 0 rocksdb.secondary.cache.filter.hits COUNT : 0 rocksdb.secondary.cache.index.hits COUNT : 0 rocksdb.secondary.cache.data.hits COUNT : 0 rocksdb.table.open.prefetch.tail.miss COUNT : 0 rocksdb.table.open.prefetch.tail.hit COUNT : 0 rocksdb.db.get.micros P50 : 212.211046 P95 : 563.846504 P99 : 880.076843 P100 : 56198.000000 COUNT : 309996 SUM : 80132772 rocksdb.db.write.micros P50 : 1.457483 P95 : 3.964903 P99 : 8.371542 P100 : 2405.000000 COUNT : 2498419 SUM : 17152094 rocksdb.compaction.times.micros P50 : 1064000.000000 P95 : 3810000.000000 P99 : 3899059.000000 P100 : 3899059.000000 COUNT : 14 SUM : 18595215 rocksdb.compaction.times.cpu_micros P50 : 1030000.000000 P95 : 3810000.000000 P99 : 3817400.000000 P100 : 3817400.000000 COUNT : 14 SUM : 17676846 rocksdb.subcompaction.setup.times.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.table.sync.micros P50 : 845.833333 P95 : 1826.875000 P99 : 1869.000000 P100 : 1869.000000 COUNT : 39 SUM : 39332 rocksdb.compaction.outfile.sync.micros P50 : 969.230769 P95 : 2250.000000 P99 : 2737.000000 P100 : 2737.000000 COUNT : 26 SUM : 28255 rocksdb.wal.file.sync.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.manifest.file.sync.micros P50 : 168.846154 P95 : 390.000000 P99 : 424.000000 P100 : 424.000000 COUNT : 57 SUM : 10354 rocksdb.table.open.io.micros P50 : 6273.267327 P95 : 13508.000000 P99 : 41877.000000 P100 : 41877.000000 COUNT : 348 SUM : 2493410 rocksdb.db.multiget.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.read.block.compaction.micros P50 : 3.477143 P95 : 138.227167 P99 : 249.192951 P100 : 20389.000000 COUNT : 1322901 SUM : 23335092 rocksdb.read.block.get.micros P50 : 164.465226 P95 : 424.304472 P99 : 751.098792 P100 : 20874.000000 COUNT : 370202 SUM : 70355966 rocksdb.write.raw.block.micros P50 : 0.527155 P95 : 1.047882 P99 : 3.547015 P100 : 6294.000000 COUNT : 1927964 SUM : 4136725 rocksdb.numfiles.in.singlecompaction P50 : 3.375000 P95 : 15.350000 P99 : 20.670000 P100 : 21.000000 COUNT : 19 SUM : 85 rocksdb.db.seek.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.db.write.stall P50 : 0.568810 P95 : 1254.666764 P99 : 2240.000000 P100 : 2240.000000 COUNT : 65941 SUM : 11298612 rocksdb.sst.read.micros P50 : 1.692189 P95 : 236.644782 P99 : 498.865380 P100 : 18432.000000 COUNT : 1618382 SUM : 88433154 rocksdb.num.subcompactions.scheduled P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.bytes.per.read P50 : 1000.000000 P95 : 1000.000000 P99 : 1000.000000 P100 : 1000.000000 COUNT : 309996 SUM : 309996000 rocksdb.bytes.per.write P50 : 1032.000000 P95 : 1032.000000 P99 : 1032.000000 P100 : 1032.000000 COUNT : 2498419 SUM : 2578368408 rocksdb.bytes.per.multiget P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.bytes.compressed P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.bytes.decompressed P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.compression.times.nanos P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.decompression.times.nanos P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.read.num.merge_operands P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.key.size P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.value.size P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.write.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.get.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.multiget.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.seek.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.next.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.prev.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.blob.file.write.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.blob.file.read.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.blob.file.sync.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.compression.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.blobdb.decompression.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.db.flush.micros P50 : 212162.162162 P95 : 253250.000000 P99 : 253732.000000 P100 : 253732.000000 COUNT : 39 SUM : 7867853 rocksdb.sst.batch.size P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.num.index.and.filter.blocks.read.per.level P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.num.sst.read.per.level P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.error.handler.autoresume.retry.count P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.async.read.bytes P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.poll.wait.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.prefetched.bytes.discarded P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 51 SUM : 0 rocksdb.multiget.io.batch.size P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.num.level.read.per.multiget P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.async.prefetch.abort.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0 rocksdb.table.open.prefetch.tail.read.bytes P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0