[2024-11-17 07:36:25.271303] Starting SPDK v24.09.1-pre git sha1 b18e1bd62 / DPDK 22.11.4 initialization... [2024-11-17 07:36:25.271579] [ 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_pid1218909 ] Set seed to 1731825385264501 because --seed was 0 EAL: No free 2048 kB hugepages reported on node 1 [2024-11-17 07:36:25.369701] app.c: 917:spdk_app_start: *NOTICE*: Total cores available: 1 [2024-11-17 07:36:25.410980] app.c: 610:app_setup_trace: *NOTICE*: Tracepoint Group Mask 0x80 specified. [2024-11-17 07:36:25.411027] app.c: 611:app_setup_trace: *NOTICE*: Use 'spdk_trace -s rocksdb -p 1218909' to capture a snapshot of events at runtime. [2024-11-17 07:36:25.411037] app.c: 616:app_setup_trace: *NOTICE*: 'spdk_trace' without parameters will also work if this is the only [2024-11-17 07:36:25.411063] app.c: 617:app_setup_trace: *NOTICE*: SPDK application currently running. [2024-11-17 07:36:25.411071] app.c: 618:app_setup_trace: *NOTICE*: Or copy /dev/shm/rocksdb_trace.pid1218909 for offline analysis/debug. [2024-11-17 07:36:25.411159] reactor.c: 990:reactor_run: *NOTICE*: Reactor started on core 0 RocksDB: version 8.1.1 Date: Sun Nov 17 07:36:29 2024 CPU: 96 * Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz CPUCache: 36608 KB 2024/11/17-07:36:34 ... thread 0: (1000000,1000000) ops and (224175.0,224175.0) ops/second in (4.460800,4.460800) 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 17/14 3.53 GB 62.9 0.6 0.0 0.6 1.4 0.9 0.0 1.6 96.6 246.7 5.87 4.45 15 0.391 575K 648 0.0 0.0 L1 3/3 301.51 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 67.09 MB 0.7 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 16/0 885.69 MB 0.9 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 L4 161/0 9.74 GB 1.0 1.9 1.0 0.9 1.8 1.0 0.0 1.9 114.0 112.9 16.73 8.92 11 1.521 213K 0 0.0 0.0 L5 1120/0 91.66 GB 0.9 0.0 0.0 0.0 0.0 0.0 3.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 Sum 1318/17 106.16 GB 0.0 2.4 1.0 1.4 3.3 1.8 3.0 3.8 109.4 147.7 22.60 13.37 26 0.869 789K 648 0.0 0.0 Int 0/0 0.00 KB 0.0 2.4 1.0 1.4 3.3 1.8 3.0 3.8 109.4 147.7 22.60 13.37 26 0.869 789K 648 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 2.4 1.0 1.4 2.4 1.0 0.0 0.0 130.9 129.9 18.90 11.05 13 1.454 789K 648 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 0.0 238.5 3.70 2.32 13 0.284 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): 4.6 total, 4.5 interval Flush(GB): cumulative 0.861, interval 0.861 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: 3.26 GB write, 719.22 MB/s write, 2.42 GB read, 532.99 MB/s read, 22.6 seconds Interval compaction: 3.26 GB write, 747.83 MB/s write, 2.42 GB read, 554.19 MB/s read, 22.6 seconds Write Stall (count): cf-l0-file-count-limit-delays-with-ongoing-compaction: 0, cf-l0-file-count-limit-stops-with-ongoing-compaction: 0, l0-file-count-limit-delays: 0, l0-file-count-limit-stops: 0, memtable-limit-delays: 0, memtable-limit-stops: 7, pending-compaction-bytes-delays: 0, pending-compaction-bytes-stops: 0, total-delays: 0, total-stops: 7, interval: 7 total count ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 273667 Average: 13.2955 StdDev: 127.26 Min: 0 Median: 1.6024 Max: 13569 Percentiles: P50: 1.60 P75: 2.13 P99: 240.02 P99.9: 1320.43 P99.99: 2441.73 ------------------------------------------------------ [ 0, 1 ] 40787 14.904% 14.904% ### ( 1, 2 ] 159429 58.257% 73.160% ############ ( 2, 3 ] 39871 14.569% 87.730% ### ( 3, 4 ] 12362 4.517% 92.247% # ( 4, 6 ] 9954 3.637% 95.884% # ( 6, 10 ] 2975 1.087% 96.971% ( 10, 15 ] 454 0.166% 97.137% ( 15, 22 ] 91 0.033% 97.170% ( 22, 34 ] 13 0.005% 97.175% ( 34, 51 ] 5 0.002% 97.177% ( 51, 76 ] 4 0.001% 97.178% ( 76, 110 ] 674 0.246% 97.425% ( 110, 170 ] 2863 1.046% 98.471% ( 170, 250 ] 1656 0.605% 99.076% ( 250, 380 ] 873 0.319% 99.395% ( 380, 580 ] 688 0.251% 99.646% ( 580, 870 ] 448 0.164% 99.810% ( 870, 1300 ] 241 0.088% 99.898% ( 1300, 1900 ] 186 0.068% 99.966% ( 1900, 2900 ] 123 0.045% 100.011% ( 2900, 4400 ] 85 0.031% 100.042% ( 4400, 6600 ] 25 0.009% 100.051% ( 6600, 9900 ] 2 0.001% 100.052% ( 9900, 14000 ] 4 0.001% 100.053% ** Level 1 read latency histogram (micros): Count: 78 Average: 739.9231 StdDev: 1972.20 Min: 91 Median: 225.3846 Max: 13536 Percentiles: P50: 225.38 P75: 563.33 P99: 12401.00 P99.9: 13536.00 P99.99: 13536.00 ------------------------------------------------------ ( 76, 110 ] 8 10.256% 10.256% ## ( 110, 170 ] 22 28.205% 38.462% ###### ( 170, 250 ] 13 16.667% 55.128% ### ( 250, 380 ] 10 12.821% 67.949% ### ( 380, 580 ] 6 7.692% 75.641% ## ( 580, 870 ] 10 12.821% 88.462% ### ( 870, 1300 ] 1 1.282% 89.744% ( 1300, 1900 ] 3 3.846% 93.590% # ( 1900, 2900 ] 1 1.282% 94.872% ( 2900, 4400 ] 2 2.564% 97.436% # ( 9900, 14000 ] 2 2.564% 100.000% # ** Level 2 read latency histogram (micros): Count: 20 Average: 1174.2500 StdDev: 2894.31 Min: 101 Median: 347.5000 Max: 13584 Percentiles: P50: 347.50 P75: 725.00 P99: 13180.00 P99.9: 13584.00 P99.99: 13584.00 ------------------------------------------------------ ( 76, 110 ] 1 5.000% 5.000% # ( 110, 170 ] 4 20.000% 25.000% #### ( 170, 250 ] 2 10.000% 35.000% ## ( 250, 380 ] 4 20.000% 55.000% #### ( 380, 580 ] 2 10.000% 65.000% ## ( 580, 870 ] 4 20.000% 85.000% #### ( 1300, 1900 ] 1 5.000% 90.000% # ( 1900, 2900 ] 1 5.000% 95.000% # ( 9900, 14000 ] 1 5.000% 100.000% # ** Level 3 read latency histogram (micros): Count: 92243 Average: 14.9629 StdDev: 158.43 Min: 1 Median: 1.9665 Max: 9876 Percentiles: P50: 1.97 P75: 2.95 P99: 140.04 P99.9: 2291.48 P99.99: 3754.09 ------------------------------------------------------ [ 0, 1 ] 2765 2.998% 2.998% # ( 1, 2 ] 44859 48.631% 51.629% ########## ( 2, 3 ] 22660 24.566% 76.194% ##### ( 3, 4 ] 9023 9.782% 85.976% ## ( 4, 6 ] 8896 9.644% 95.620% ## ( 6, 10 ] 2523 2.735% 98.355% # ( 10, 15 ] 422 0.457% 98.813% ( 15, 22 ] 59 0.064% 98.877% ( 22, 34 ] 18 0.020% 98.896% ( 34, 51 ] 2 0.002% 98.899% ( 51, 76 ] 3 0.003% 98.902% ( 76, 110 ] 31 0.034% 98.935% ( 110, 170 ] 119 0.129% 99.064% ( 170, 250 ] 83 0.090% 99.154% ( 250, 380 ] 66 0.072% 99.226% ( 380, 580 ] 109 0.118% 99.344% ( 580, 870 ] 141 0.153% 99.497% ( 870, 1300 ] 194 0.210% 99.707% ( 1300, 1900 ] 139 0.151% 99.858% ( 1900, 2900 ] 99 0.107% 99.965% ( 2900, 4400 ] 40 0.043% 100.009% ( 4400, 6600 ] 16 0.017% 100.026% ( 6600, 9900 ] 2 0.002% 100.028% ** Level 4 read latency histogram (micros): Count: 121017 Average: 27.6107 StdDev: 217.46 Min: 1 Median: 1.8846 Max: 9356 Percentiles: P50: 1.88 P75: 2.85 P99: 788.71 P99.9: 2856.65 P99.99: 3905.69 ------------------------------------------------------ [ 0, 1 ] 4947 4.088% 4.088% # ( 1, 2 ] 62812 51.903% 55.991% ########## ( 2, 3 ] 26955 22.274% 78.265% #### ( 3, 4 ] 9977 8.244% 86.509% ## ( 4, 6 ] 9303 7.687% 94.197% ## ( 6, 10 ] 2814 2.325% 96.522% ( 10, 15 ] 452 0.374% 96.895% ( 15, 22 ] 70 0.058% 96.953% ( 22, 34 ] 19 0.016% 96.969% ( 34, 51 ] 9 0.007% 96.976% ( 51, 76 ] 4 0.003% 96.980% ( 76, 110 ] 195 0.161% 97.141% ( 110, 170 ] 759 0.627% 97.768% ( 170, 250 ] 443 0.366% 98.134% ( 250, 380 ] 330 0.273% 98.407% ( 380, 580 ] 417 0.345% 98.751% ( 580, 870 ] 418 0.345% 99.097% ( 870, 1300 ] 448 0.370% 99.467% ( 1300, 1900 ] 325 0.269% 99.736% ( 1900, 2900 ] 208 0.172% 99.907% ( 2900, 4400 ] 149 0.123% 100.031% ( 4400, 6600 ] 37 0.031% 100.061% ( 6600, 9900 ] 1 0.001% 100.062% ** Level 5 read latency histogram (micros): Count: 20495 Average: 602.7951 StdDev: 964.76 Min: 78 Median: 221.1824 Max: 8673 Percentiles: P50: 221.18 P75: 537.62 P99: 4983.38 P99.9: 7746.29 P99.99: 8673.00 ------------------------------------------------------ ( 76, 110 ] 1548 7.553% 7.553% ## ( 110, 170 ] 6427 31.359% 38.912% ###### ( 170, 250 ] 3552 17.331% 56.243% ### ( 250, 380 ] 2261 11.032% 67.275% ## ( 380, 580 ] 2009 9.802% 77.077% ## ( 580, 870 ] 1280 6.245% 83.323% # ( 870, 1300 ] 889 4.338% 87.660% # ( 1300, 1900 ] 729 3.557% 91.217% # ( 1900, 2900 ] 833 4.064% 95.282% # ( 2900, 4400 ] 700 3.415% 98.697% # ( 4400, 6600 ] 234 1.142% 99.839% ( 6600, 9900 ] 36 0.176% 100.015% ** DB Stats ** Uptime(secs): 4.6 total, 4.5 interval Cumulative writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 0.96 GB, 212.08 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:0.796 H:M:S, 17.2 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 220.49 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:0.796 H:M:S, 17.8 percent Write Stall (count): write-buffer-manager-limit-stops: 0, num-running-compactions: 2 num-running-flushes: 1 2024/11/17-07:36:41 ... thread 0: (1000000,2000000) ops and (139711.9,172140.9) ops/second in (7.157588,11.618388) 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 18/16 4.51 GB 56.6 1.8 0.0 1.8 3.6 1.8 0.0 2.0 132.6 269.6 13.78 11.84 36 0.383 1855K 1916 0.0 0.0 L1 3/3 301.51 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 67.09 MB 0.7 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 16/0 885.69 MB 0.9 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 L4 161/0 9.74 GB 1.0 1.9 1.0 0.9 1.8 1.0 0.0 1.9 114.0 112.9 16.73 8.92 11 1.521 213K 0 0.0 0.0 L5 1120/0 91.66 GB 0.9 0.0 0.0 0.0 0.0 0.0 3.0 0.0 0.0 0.0 0.00 0.00 0 0.000 0 0 0.0 0.0 Sum 1319/19 107.14 GB 0.0 3.6 1.0 2.7 5.5 2.8 3.0 3.0 122.4 183.7 30.51 20.76 47 0.649 2068K 1916 0.0 0.0 Int 0/0 0.00 KB 0.0 3.6 1.0 2.7 5.5 2.8 3.0 3.0 122.4 183.7 30.51 20.76 47 0.649 2068K 1916 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 3.6 1.0 2.7 3.6 1.0 0.0 0.0 157.5 156.7 23.70 15.75 18 1.317 2068K 1916 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 0.0 277.5 6.81 5.01 29 0.235 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): 11.8 total, 11.6 interval Flush(GB): cumulative 1.846, interval 1.846 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: 5.47 GB write, 475.01 MB/s write, 3.65 GB read, 316.44 MB/s read, 30.5 seconds Interval compaction: 5.47 GB write, 482.27 MB/s write, 3.65 GB read, 321.27 MB/s read, 30.5 seconds Write Stall (count): cf-l0-file-count-limit-delays-with-ongoing-compaction: 8, cf-l0-file-count-limit-stops-with-ongoing-compaction: 0, l0-file-count-limit-delays: 8, l0-file-count-limit-stops: 0, memtable-limit-delays: 0, memtable-limit-stops: 7, pending-compaction-bytes-delays: 0, pending-compaction-bytes-stops: 0, total-delays: 8, total-stops: 7, interval: 15 total count ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 871307 Average: 15.7760 StdDev: 88.68 Min: 0 Median: 1.4888 Max: 13569 Percentiles: P50: 1.49 P75: 1.94 P99: 247.36 P99.9: 689.00 P99.99: 1008.09 ------------------------------------------------------ [ 0, 1 ] 199395 22.885% 22.885% ##### ( 1, 2 ] 483349 55.474% 78.359% ########### ( 2, 3 ] 81764 9.384% 87.743% ## ( 3, 4 ] 27260 3.129% 90.871% # ( 4, 6 ] 17099 1.962% 92.834% ( 6, 10 ] 4381 0.503% 93.337% ( 10, 15 ] 858 0.098% 93.435% ( 15, 22 ] 162 0.019% 93.454% ( 22, 34 ] 30 0.003% 93.457% ( 34, 51 ] 7 0.001% 93.458% ( 51, 76 ] 15 0.002% 93.460% ( 76, 110 ] 7824 0.898% 94.358% ( 110, 170 ] 29783 3.418% 97.776% # ( 170, 250 ] 11032 1.266% 99.042% ( 250, 380 ] 3992 0.458% 99.500% ( 380, 580 ] 3079 0.353% 99.853% ( 580, 870 ] 1082 0.124% 99.978% ( 870, 1300 ] 339 0.039% 100.017% ( 1300, 1900 ] 198 0.023% 100.039% ( 1900, 2900 ] 147 0.017% 100.056% ( 2900, 4400 ] 106 0.012% 100.068% ( 4400, 6600 ] 25 0.003% 100.071% ( 6600, 9900 ] 2 0.000% 100.071% ( 9900, 14000 ] 4 0.000% 100.072% ** Level 1 read latency histogram (micros): Count: 476 Average: 267.9286 StdDev: 830.76 Min: 81 Median: 152.7468 Max: 13536 Percentiles: P50: 152.75 P75: 216.74 P99: 2140.00 P99.9: 13024.20 P99.99: 13536.00 ------------------------------------------------------ ( 76, 110 ] 72 15.126% 15.126% ### ( 110, 170 ] 233 48.950% 64.076% ########## ( 170, 250 ] 89 18.697% 82.773% #### ( 250, 380 ] 35 7.353% 90.126% # ( 380, 580 ] 24 5.042% 95.168% # ( 580, 870 ] 13 2.731% 97.899% # ( 870, 1300 ] 2 0.420% 98.319% ( 1300, 1900 ] 3 0.630% 98.950% ( 1900, 2900 ] 1 0.210% 99.160% ( 2900, 4400 ] 2 0.420% 99.580% ( 9900, 14000 ] 2 0.420% 100.000% ** Level 2 read latency histogram (micros): Count: 133 Average: 325.6241 StdDev: 1181.57 Min: 84 Median: 150.5000 Max: 13584 Percentiles: P50: 150.50 P75: 225.00 P99: 2570.00 P99.9: 13454.70 P99.99: 13584.00 ------------------------------------------------------ ( 76, 110 ] 26 19.549% 19.549% #### ( 110, 170 ] 60 45.113% 64.662% ######### ( 170, 250 ] 20 15.038% 79.699% ### ( 250, 380 ] 9 6.767% 86.466% # ( 380, 580 ] 10 7.519% 93.985% ## ( 580, 870 ] 5 3.759% 97.744% # ( 1300, 1900 ] 1 0.752% 98.496% ( 1900, 2900 ] 1 0.752% 99.248% ( 9900, 14000 ] 1 0.752% 100.000% ** Level 3 read latency histogram (micros): Count: 93660 Average: 17.4942 StdDev: 159.28 Min: 1 Median: 1.9823 Max: 9876 Percentiles: P50: 1.98 P75: 3.00 P99: 272.31 P99.9: 2283.40 P99.99: 3748.77 ------------------------------------------------------ [ 0, 1 ] 2765 2.952% 2.952% # ( 1, 2 ] 44859 47.896% 50.848% ########## ( 2, 3 ] 22660 24.194% 75.042% ##### ( 3, 4 ] 9023 9.634% 84.675% ## ( 4, 6 ] 8896 9.498% 94.174% ## ( 6, 10 ] 2523 2.694% 96.867% # ( 10, 15 ] 422 0.451% 97.318% ( 15, 22 ] 59 0.063% 97.381% ( 22, 34 ] 18 0.019% 97.400% ( 34, 51 ] 2 0.002% 97.402% ( 51, 76 ] 3 0.003% 97.406% ( 76, 110 ] 233 0.249% 97.654% ( 110, 170 ] 895 0.956% 98.610% ( 170, 250 ] 340 0.363% 98.973% ( 250, 380 ] 148 0.158% 99.131% ( 380, 580 ] 187 0.200% 99.331% ( 580, 870 ] 160 0.171% 99.501% ( 870, 1300 ] 196 0.209% 99.711% ( 1300, 1900 ] 139 0.148% 99.859% ( 1900, 2900 ] 100 0.107% 99.966% ( 2900, 4400 ] 40 0.043% 100.009% ( 4400, 6600 ] 16 0.017% 100.026% ( 6600, 9900 ] 2 0.002% 100.028% ** Level 4 read latency histogram (micros): Count: 133892 Average: 40.5792 StdDev: 214.69 Min: 1 Median: 1.9853 Max: 9356 Percentiles: P50: 1.99 P75: 3.51 P99: 760.02 P99.9: 2816.39 P99.99: 3905.99 ------------------------------------------------------ [ 0, 1 ] 4948 3.696% 3.696% # ( 1, 2 ] 62926 46.998% 50.693% ######### ( 2, 3 ] 27284 20.378% 71.071% #### ( 3, 4 ] 10247 7.653% 78.724% ## ( 4, 6 ] 9722 7.261% 85.985% # ( 6, 10 ] 2847 2.126% 88.111% ( 10, 15 ] 468 0.350% 88.461% ( 15, 22 ] 71 0.053% 88.514% ( 22, 34 ] 19 0.014% 88.528% ( 34, 51 ] 9 0.007% 88.535% ( 51, 76 ] 6 0.004% 88.539% ( 76, 110 ] 2043 1.526% 90.065% ( 110, 170 ] 7117 5.315% 95.381% # ( 170, 250 ] 2546 1.902% 97.282% ( 250, 380 ] 1002 0.748% 98.031% ( 380, 580 ] 943 0.704% 98.735% ( 580, 870 ] 572 0.427% 99.162% ( 870, 1300 ] 464 0.347% 99.509% ( 1300, 1900 ] 328 0.245% 99.754% ( 1900, 2900 ] 214 0.160% 99.913% ( 2900, 4400 ] 153 0.114% 100.028% ( 4400, 6600 ] 37 0.028% 100.055% ( 6600, 9900 ] 1 0.001% 100.056% ** Level 5 read latency histogram (micros): Count: 121007 Average: 249.9434 StdDev: 441.12 Min: 75 Median: 152.3790 Max: 8673 Percentiles: P50: 152.38 P75: 216.10 P99: 2622.85 P99.9: 5753.78 P99.99: 8332.44 ------------------------------------------------------ ( 51, 76 ] 7 0.006% 0.006% ( 76, 110 ] 17835 14.739% 14.745% ### ( 110, 170 ] 60400 49.914% 64.659% ########## ( 170, 250 ] 21717 17.947% 82.606% #### ( 250, 380 ] 8080 6.677% 89.283% # ( 380, 580 ] 6800 5.620% 94.903% # ( 580, 870 ] 2524 2.086% 96.989% ( 870, 1300 ] 1052 0.869% 97.858% ( 1300, 1900 ] 761 0.629% 98.487% ( 1900, 2900 ] 859 0.710% 99.197% ( 2900, 4400 ] 707 0.584% 99.781% ( 4400, 6600 ] 234 0.193% 99.974% ( 6600, 9900 ] 36 0.030% 100.004% ** DB Stats ** Uptime(secs): 11.8 total, 7.2 interval Cumulative writes: 0 writes, 2000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 1.92 GB, 166.84 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:4.293 H:M:S, 36.4 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 137.50 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:3.497 H:M:S, 48.9 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: 100000000 Prefix: 0 bytes Keys per prefix: 0 RawSize: 96893.3 MB (estimated) FileSize: 96893.3 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 : 199.702 micros/op 20016 ops/sec 60.100 seconds 1202996 operations; 19.4 MB/s (300999 of 300999 found) Microseconds per read: Count: 1202996 Average: 199.7040 StdDev: 422.58 Min: 2 Median: 165.4257 Max: 56509 Percentiles: P50: 165.43 P75: 222.69 P99: 575.32 P99.9: 4256.28 P99.99: 20553.48 ------------------------------------------------------ ( 1, 2 ] 22 0.002% 0.002% ( 2, 3 ] 53 0.004% 0.006% ( 3, 4 ] 46 0.004% 0.010% ( 4, 6 ] 80 0.007% 0.017% ( 6, 10 ] 976 0.081% 0.098% ( 10, 15 ] 6516 0.542% 0.639% ( 15, 22 ] 2829 0.235% 0.875% ( 22, 34 ] 12075 1.004% 1.878% ( 34, 51 ] 1952 0.162% 2.041% ( 51, 76 ] 195 0.016% 2.057% ( 76, 110 ] 33010 2.744% 4.801% # ( 110, 170 ] 588619 48.929% 53.730% ########## ( 170, 250 ] 388528 32.297% 86.027% ###### ( 250, 380 ] 123782 10.289% 96.316% ## ( 380, 580 ] 33056 2.748% 99.064% # ( 580, 870 ] 7694 0.640% 99.704% ( 870, 1300 ] 1501 0.125% 99.829% ( 1300, 1900 ] 317 0.026% 99.855% ( 1900, 2900 ] 325 0.027% 99.882% ( 2900, 4400 ] 240 0.020% 99.902% ( 4400, 6600 ] 355 0.030% 99.931% ( 6600, 9900 ] 285 0.024% 99.955% ( 9900, 14000 ] 219 0.018% 99.973% ( 14000, 22000 ] 245 0.020% 99.994% ( 22000, 33000 ] 54 0.004% 99.998% ( 33000, 50000 ] 20 0.002% 100.000% ( 50000, 75000 ] 2 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 : 20610667 rocksdb.bloom.filter.full.positive COUNT : 1403531 rocksdb.bloom.filter.full.true.positive COUNT : 1202598 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 : 398 rocksdb.memtable.miss COUNT : 1202598 rocksdb.l0.hit COUNT : 58492 rocksdb.l1.hit COUNT : 3521 rocksdb.l2andup.hit COUNT : 1140585 rocksdb.compaction.key.drop.new COUNT : 43674 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 : 2396840 rocksdb.number.keys.read COUNT : 1202996 rocksdb.number.keys.updated COUNT : 0 rocksdb.bytes.written COUNT : 2473538880 rocksdb.bytes.read COUNT : 1202996000 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 : 1387 rocksdb.no.file.errors COUNT : 0 rocksdb.stall.micros COUNT : 50326205 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 : 7440028930 rocksdb.compact.write.bytes COUNT : 7396844496 rocksdb.flush.write.bytes COUNT : 2444294895 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 : 63 rocksdb.number.superversion_acquires COUNT : 392 rocksdb.number.superversion_releases COUNT : 379 rocksdb.number.superversion_cleanups COUNT : 98 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 : 2424454144 rocksdb.memtable.garbage.bytes.at.flush COUNT : 827392 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 : 12795110272 rocksdb.non.last.level.read.count COUNT : 2946856 rocksdb.block.checksum.compute.count COUNT : 3218034 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 : 164.576511 P95 : 362.802478 P99 : 574.833583 P100 : 56506.000000 COUNT : 1202996 SUM : 239169386 rocksdb.db.write.micros P50 : 1.596142 P95 : 5.644602 P99 : 1071.440497 P100 : 735680.000000 COUNT : 2396840 SUM : 56815718 rocksdb.compaction.times.micros P50 : 1124444.444444 P95 : 2900000.000000 P99 : 4842691.000000 P100 : 4842691.000000 COUNT : 20 SUM : 29456425 rocksdb.compaction.times.cpu_micros P50 : 1001666.666667 P95 : 1900000.000000 P99 : 4790497.000000 P100 : 4790497.000000 COUNT : 20 SUM : 21446797 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 : 787.142857 P95 : 3800.000000 P99 : 14391.000000 P100 : 14391.000000 COUNT : 36 SUM : 49466 rocksdb.compaction.outfile.sync.micros P50 : 3757.142857 P95 : 94250.000000 P99 : 292744.000000 P100 : 292744.000000 COUNT : 58 SUM : 1328083 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 : 165.714286 P95 : 2858.333333 P99 : 3564.000000 P100 : 3564.000000 COUNT : 65 SUM : 41271 rocksdb.table.open.io.micros P50 : 6318.159204 P95 : 17085.185185 P99 : 21194.814815 P100 : 23091.000000 COUNT : 1387 SUM : 10179769 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 : 3.798253 P95 : 160.497290 P99 : 243.658579 P100 : 6931.000000 COUNT : 1802438 SUM : 59806200 rocksdb.read.block.get.micros P50 : 136.445189 P95 : 235.858965 P99 : 488.702029 P100 : 14645.000000 COUNT : 1414179 SUM : 203168643 rocksdb.write.raw.block.micros P50 : 0.572061 P95 : 1.788965 P99 : 3.760766 P100 : 11267.000000 COUNT : 2383611 SUM : 6130571 rocksdb.numfiles.in.singlecompaction P50 : 3.416667 P95 : 4.800000 P99 : 13.000000 P100 : 13.000000 COUNT : 32 SUM : 126 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 : 0.595619 P95 : 2194.237335 P99 : 2758.958958 P100 : 735490.000000 COUNT : 202608 SUM : 50348026 rocksdb.sst.read.micros P50 : 90.898593 P95 : 202.270939 P99 : 386.878054 P100 : 13584.000000 COUNT : 2946908 SUM : 249240391 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 : 1202996 SUM : 1202996000 rocksdb.bytes.per.write P50 : 1032.000000 P95 : 1032.000000 P99 : 1032.000000 P100 : 1032.000000 COUNT : 2396840 SUM : 2473538880 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 : 213636.363636 P95 : 418000.000000 P99 : 944134.000000 P100 : 944134.000000 COUNT : 36 SUM : 8222399 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 : 69 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