[2024-11-19 18:08:34.151270] Starting SPDK v25.01-pre git sha1 8d982eda9 / DPDK 24.03.0 initialization... [2024-11-19 18:08:34.151567] [ 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_pid533162 ] Set seed to 1732036114144405 because --seed was 0 EAL: No free 2048 kB hugepages reported on node 1 [2024-11-19 18:08:34.316227] app.c: 919:spdk_app_start: *NOTICE*: Total cores available: 1 [2024-11-19 18:08:34.411916] app.c: 612:app_setup_trace: *NOTICE*: Tracepoint Group Mask 0x80 specified. [2024-11-19 18:08:34.411960] app.c: 613:app_setup_trace: *NOTICE*: Use 'spdk_trace -s rocksdb -p 533162' to capture a snapshot of events at runtime. [2024-11-19 18:08:34.411972] app.c: 618:app_setup_trace: *NOTICE*: 'spdk_trace' without parameters will also work if this is the only [2024-11-19 18:08:34.411983] app.c: 619:app_setup_trace: *NOTICE*: SPDK application currently running. [2024-11-19 18:08:34.411994] app.c: 620:app_setup_trace: *NOTICE*: Or copy /dev/shm/rocksdb_trace.pid533162 for offline analysis/debug. [2024-11-19 18:08:34.413245] reactor.c:1005:reactor_run: *NOTICE*: Reactor started on core 0 RocksDB: version 8.1.1 Date: Tue Nov 19 18:08:36 2024 CPU: 144 * Intel(R) Xeon(R) Platinum 8360Y CPU @ 2.40GHz CPUCache: 55296 KB 2024/11/19-18:08:40 ... thread 0: (1000000,1000000) ops and (261752.8,261752.8) ops/second in (3.820398,3.820398) 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 17/13 2.62 GB 62.7 0.5 0.0 0.5 1.3 0.9 0.0 1.6 103.8 284.9 4.85 4.39 16 0.303 511K 2438 0.0 0.0 L1 12/12 1.35 GB 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 L3 15/0 937.12 MB 0.9 0.4 0.3 0.0 0.4 0.3 0.0 1.1 195.9 193.0 2.06 1.74 2 1.030 0 0 0.0 0.0 L4 134/0 9.74 GB 1.0 0.5 0.4 0.2 0.5 0.3 0.2 1.4 198.6 190.8 2.74 2.38 3 0.912 0 0 0.0 0.0 L5 132/0 10.58 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 310/25 25.20 GB 0.0 1.4 0.7 0.7 2.2 1.5 0.9 2.6 150.3 238.6 9.64 8.51 21 0.459 511K 2438 0.0 0.0 Int 0/0 0.00 KB 0.0 1.4 0.7 0.7 2.2 1.5 0.9 2.6 150.3 238.6 9.64 8.51 21 0.459 511K 2438 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 1.4 0.7 0.7 1.4 0.7 0.0 0.0 217.2 212.7 6.68 5.93 7 0.954 511K 2438 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 0.0 296.8 2.97 2.57 14 0.212 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): 3.9 total, 3.8 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: 2.25 GB write, 587.19 MB/s write, 1.42 GB read, 370.01 MB/s read, 9.6 seconds Interval compaction: 2.25 GB write, 601.71 MB/s write, 1.42 GB read, 379.16 MB/s read, 9.6 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: 0, pending-compaction-bytes-delays: 0, pending-compaction-bytes-stops: 0, total-delays: 0, total-stops: 0, ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 192869 Average: 29.7041 StdDev: 126.88 Min: 1 Median: 1.4255 Max: 14636 Percentiles: P50: 1.43 P75: 1.86 P99: 496.86 P99.9: 875.30 P99.99: 1323.26 ------------------------------------------------------ [ 0, 1 ] 49298 25.560% 25.560% ##### ( 1, 2 ] 110775 57.435% 82.996% ########### ( 2, 3 ] 9585 4.970% 87.965% # ( 3, 4 ] 3636 1.885% 89.851% ( 4, 6 ] 1936 1.004% 90.854% ( 6, 10 ] 787 0.408% 91.262% ( 10, 15 ] 523 0.271% 91.534% ( 15, 22 ] 53 0.027% 91.561% ( 22, 34 ] 40 0.021% 91.582% ( 34, 51 ] 13 0.007% 91.589% ( 51, 76 ] 1 0.001% 91.589% ( 76, 110 ] 120 0.062% 91.651% ( 110, 170 ] 1720 0.892% 92.543% ( 170, 250 ] 3800 1.970% 94.513% ( 250, 380 ] 7074 3.668% 98.181% # ( 380, 580 ] 2703 1.401% 99.583% ( 580, 870 ] 610 0.316% 99.899% ( 870, 1300 ] 173 0.090% 99.989% ( 1300, 1900 ] 70 0.036% 100.025% ( 1900, 2900 ] 25 0.013% 100.038% ( 2900, 4400 ] 15 0.008% 100.046% ( 4400, 6600 ] 13 0.007% 100.052% ( 6600, 9900 ] 1 0.001% 100.053% ( 9900, 14000 ] 2 0.001% 100.054% ( 14000, 22000 ] 1 0.001% 100.054% ** Level 1 read latency histogram (micros): Count: 2039 Average: 387.1050 StdDev: 678.63 Min: 94 Median: 295.8102 Max: 11617 Percentiles: P50: 295.81 P75: 369.36 P99: 3608.21 P99.9: 11617.00 P99.99: 11617.00 ------------------------------------------------------ ( 76, 110 ] 13 0.638% 0.638% ( 110, 170 ] 226 11.084% 11.721% ## ( 170, 250 ] 463 22.707% 34.429% ##### ( 250, 380 ] 901 44.188% 78.617% ######### ( 380, 580 ] 317 15.547% 94.164% ### ( 580, 870 ] 63 3.090% 97.254% # ( 870, 1300 ] 13 0.638% 97.891% ( 1300, 1900 ] 8 0.392% 98.283% ( 1900, 2900 ] 8 0.392% 98.676% ( 2900, 4400 ] 14 0.687% 99.362% ( 4400, 6600 ] 8 0.392% 99.755% ( 6600, 9900 ] 1 0.049% 99.804% ( 9900, 14000 ] 4 0.196% 100.000% ** Level 2 read latency histogram (micros): Count: 24303 Average: 4.5333 StdDev: 132.25 Min: 0 Median: 1.0692 Max: 14543 Percentiles: P50: 1.07 P75: 1.69 P99: 5.89 P99.9: 485.81 P99.99: 1641.82 ------------------------------------------------------ [ 0, 1 ] 11474 47.212% 47.212% ######### ( 1, 2 ] 9786 40.267% 87.479% ######## ( 2, 3 ] 1673 6.884% 94.363% # ( 3, 4 ] 664 2.732% 97.095% # ( 4, 6 ] 491 2.020% 99.115% ( 6, 10 ] 91 0.374% 99.490% ( 10, 15 ] 12 0.049% 99.539% ( 15, 22 ] 3 0.012% 99.551% ( 22, 34 ] 1 0.004% 99.556% ( 110, 170 ] 4 0.016% 99.572% ( 170, 250 ] 23 0.095% 99.667% ( 250, 380 ] 44 0.181% 99.848% ( 380, 580 ] 24 0.099% 99.947% ( 580, 870 ] 7 0.029% 99.975% ( 870, 1300 ] 3 0.012% 99.988% ( 1300, 1900 ] 1 0.004% 99.992% ( 9900, 14000 ] 1 0.004% 99.996% ( 14000, 22000 ] 1 0.004% 100.000% ** Level 3 read latency histogram (micros): Count: 32958 Average: 19.3487 StdDev: 147.48 Min: 0 Median: 1.4785 Max: 14746 Percentiles: P50: 1.48 P75: 1.90 P99: 409.38 P99.9: 951.75 P99.99: 4289.08 ------------------------------------------------------ [ 0, 1 ] 7194 21.828% 21.828% #### ( 1, 2 ] 19406 58.881% 80.709% ############ ( 2, 3 ] 2344 7.112% 87.821% # ( 3, 4 ] 1149 3.486% 91.307% # ( 4, 6 ] 833 2.527% 93.835% # ( 6, 10 ] 233 0.707% 94.542% ( 10, 15 ] 147 0.446% 94.988% ( 15, 22 ] 14 0.042% 95.030% ( 22, 34 ] 11 0.033% 95.063% ( 34, 51 ] 2 0.006% 95.069% ( 51, 76 ] 1 0.003% 95.073% ( 76, 110 ] 10 0.030% 95.103% ( 110, 170 ] 181 0.549% 95.652% ( 170, 250 ] 361 1.095% 96.747% ( 250, 380 ] 701 2.127% 98.874% ( 380, 580 ] 282 0.856% 99.730% ( 580, 870 ] 53 0.161% 99.891% ( 870, 1300 ] 16 0.049% 99.939% ( 1300, 1900 ] 7 0.021% 99.961% ( 1900, 2900 ] 6 0.018% 99.979% ( 2900, 4400 ] 4 0.012% 99.991% ( 4400, 6600 ] 1 0.003% 99.994% ( 14000, 22000 ] 2 0.006% 100.000% ** Level 4 read latency histogram (micros): Count: 29346 Average: 156.2406 StdDev: 233.83 Min: 0 Median: 3.6070 Max: 4180 Percentiles: P50: 3.61 P75: 284.37 P99: 978.71 P99.9: 2412.58 P99.99: 3022.93 ------------------------------------------------------ [ 0, 1 ] 3258 11.102% 11.102% ## ( 1, 2 ] 9733 33.166% 44.268% ####### ( 2, 3 ] 1299 4.426% 48.695% # ( 3, 4 ] 631 2.150% 50.845% ( 4, 6 ] 514 1.752% 52.597% ( 6, 10 ] 156 0.532% 53.128% ( 10, 15 ] 162 0.552% 53.680% ( 15, 22 ] 10 0.034% 53.714% ( 22, 34 ] 13 0.044% 53.759% ( 76, 110 ] 102 0.348% 54.106% ( 110, 170 ] 1463 4.985% 59.092% # ( 170, 250 ] 3145 10.717% 69.808% ## ( 250, 380 ] 5762 19.635% 89.443% #### ( 380, 580 ] 2239 7.630% 97.073% ## ( 580, 870 ] 517 1.762% 98.835% ( 870, 1300 ] 192 0.654% 99.489% ( 1300, 1900 ] 94 0.320% 99.809% ( 1900, 2900 ] 52 0.177% 99.986% ( 2900, 4400 ] 13 0.044% 100.031% ** Level 5 read latency histogram (micros): Count: 13565 Average: 333.5929 StdDev: 230.51 Min: 91 Median: 296.8998 Max: 3790 Percentiles: P50: 296.90 P75: 371.48 P99: 1466.46 P99.9: 2708.70 P99.99: 3790.00 ------------------------------------------------------ ( 76, 110 ] 84 0.619% 0.619% ( 110, 170 ] 1420 10.468% 11.087% ## ( 170, 250 ] 3146 23.192% 34.279% ##### ( 250, 380 ] 5911 43.575% 77.855% ######### ( 380, 580 ] 2150 15.850% 93.704% ### ( 580, 870 ] 489 3.605% 97.309% # ( 870, 1300 ] 198 1.460% 98.769% ( 1300, 1900 ] 113 0.833% 99.602% ( 1900, 2900 ] 50 0.369% 99.971% ( 2900, 4400 ] 4 0.029% 100.000% ** DB Stats ** Uptime(secs): 3.9 total, 3.8 interval Cumulative writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 0.96 GB, 251.12 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:0.000 H:M:S, 0.0 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 257.26 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:0.000 H:M:S, 0.0 percent Write Stall (count): write-buffer-manager-limit-stops: 0, num-running-compactions: 2 num-running-flushes: 1 2024/11/19-18:08:45 ... thread 0: (1000000,2000000) ops and (200194.4,226872.0) ops/second in (4.995145,8.815543) 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 3.59 GB 31.3 1.7 0.0 1.7 3.6 1.8 0.0 1.9 139.7 288.7 12.61 11.73 37 0.341 1788K 8581 0.0 0.0 L1 12/12 1.35 GB 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 L3 15/0 937.12 MB 0.9 0.4 0.3 0.0 0.4 0.3 0.0 1.1 195.9 193.0 2.06 1.74 2 1.030 0 0 0.0 0.0 L4 134/0 9.74 GB 1.0 0.5 0.4 0.2 0.5 0.3 0.2 1.4 198.6 190.8 2.74 2.38 3 0.912 0 0 0.0 0.0 L5 132/0 10.58 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 311/28 26.17 GB 0.0 2.6 0.7 1.9 4.5 2.5 0.9 2.4 155.6 262.0 17.40 15.85 42 0.414 1788K 8581 0.0 0.0 Int 0/0 0.00 KB 0.0 2.6 0.7 1.9 4.5 2.5 0.9 2.4 155.6 262.0 17.40 15.85 42 0.414 1788K 8581 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 2.6 0.7 1.9 2.6 0.7 0.0 0.0 245.3 242.0 11.04 10.23 12 0.920 1788K 8581 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 0.0 296.7 6.36 5.62 30 0.212 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): 8.9 total, 8.8 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: 4.45 GB write, 511.53 MB/s write, 2.64 GB read, 303.83 MB/s read, 17.4 seconds Interval compaction: 4.45 GB write, 517.02 MB/s write, 2.64 GB read, 307.09 MB/s read, 17.4 seconds Write Stall (count): cf-l0-file-count-limit-delays-with-ongoing-compaction: 5, cf-l0-file-count-limit-stops-with-ongoing-compaction: 0, l0-file-count-limit-delays: 5, 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: 5, total-stops: 0, interval: 5 total count ** File Read Latency Histogram By Level [default] ** ** Level 0 read latency histogram (micros): Count: 521700 Average: 25.4592 StdDev: 98.75 Min: 0 Median: 1.3848 Max: 14636 Percentiles: P50: 1.38 P75: 1.84 P99: 404.53 P99.9: 684.74 P99.99: 854.73 ------------------------------------------------------ [ 0, 1 ] 151631 29.065% 29.065% ###### ( 1, 2 ] 283820 54.403% 83.468% ########### ( 2, 3 ] 24016 4.603% 88.071% # ( 3, 4 ] 9915 1.901% 89.972% ( 4, 6 ] 5107 0.979% 90.951% ( 6, 10 ] 2209 0.423% 91.374% ( 10, 15 ] 2546 0.488% 91.862% ( 15, 22 ] 200 0.038% 91.900% ( 22, 34 ] 140 0.027% 91.927% ( 34, 51 ] 24 0.005% 91.932% ( 51, 76 ] 2 0.000% 91.932% ( 76, 110 ] 435 0.083% 92.016% ( 110, 170 ] 6023 1.154% 93.170% ( 170, 250 ] 10499 2.012% 95.182% ( 250, 380 ] 19301 3.700% 98.882% # ( 380, 580 ] 5022 0.963% 99.845% ( 580, 870 ] 801 0.154% 99.998% ( 870, 1300 ] 178 0.034% 100.032% ( 1300, 1900 ] 77 0.015% 100.047% ( 1900, 2900 ] 28 0.005% 100.053% ( 2900, 4400 ] 16 0.003% 100.056% ( 4400, 6600 ] 13 0.002% 100.058% ( 6600, 9900 ] 1 0.000% 100.058% ( 9900, 14000 ] 2 0.000% 100.059% ( 14000, 22000 ] 1 0.000% 100.059% ** Level 1 read latency histogram (micros): Count: 5192 Average: 315.6450 StdDev: 436.91 Min: 92 Median: 279.3918 Max: 11617 Percentiles: P50: 279.39 P75: 350.17 P99: 1071.11 P99.9: 6547.20 P99.99: 11617.00 ------------------------------------------------------ ( 76, 110 ] 54 1.040% 1.040% ( 110, 170 ] 755 14.542% 15.582% ### ( 170, 250 ] 1248 24.037% 39.619% ##### ( 250, 380 ] 2384 45.917% 85.535% ######### ( 380, 580 ] 600 11.556% 97.092% ## ( 580, 870 ] 93 1.791% 98.883% ( 870, 1300 ] 13 0.250% 99.133% ( 1300, 1900 ] 9 0.173% 99.307% ( 1900, 2900 ] 9 0.173% 99.480% ( 2900, 4400 ] 14 0.270% 99.750% ( 4400, 6600 ] 8 0.154% 99.904% ( 6600, 9900 ] 1 0.019% 99.923% ( 9900, 14000 ] 4 0.077% 100.000% ** Level 2 read latency histogram (micros): Count: 24303 Average: 4.5333 StdDev: 132.25 Min: 0 Median: 1.0692 Max: 14543 Percentiles: P50: 1.07 P75: 1.69 P99: 5.89 P99.9: 485.81 P99.99: 1641.82 ------------------------------------------------------ [ 0, 1 ] 11474 47.212% 47.212% ######### ( 1, 2 ] 9786 40.267% 87.479% ######## ( 2, 3 ] 1673 6.884% 94.363% # ( 3, 4 ] 664 2.732% 97.095% # ( 4, 6 ] 491 2.020% 99.115% ( 6, 10 ] 91 0.374% 99.490% ( 10, 15 ] 12 0.049% 99.539% ( 15, 22 ] 3 0.012% 99.551% ( 22, 34 ] 1 0.004% 99.556% ( 110, 170 ] 4 0.016% 99.572% ( 170, 250 ] 23 0.095% 99.667% ( 250, 380 ] 44 0.181% 99.848% ( 380, 580 ] 24 0.099% 99.947% ( 580, 870 ] 7 0.029% 99.975% ( 870, 1300 ] 3 0.012% 99.988% ( 1300, 1900 ] 1 0.004% 99.992% ( 9900, 14000 ] 1 0.004% 99.996% ( 14000, 22000 ] 1 0.004% 100.000% ** Level 3 read latency histogram (micros): Count: 36226 Average: 40.5643 StdDev: 159.86 Min: 0 Median: 1.5620 Max: 14746 Percentiles: P50: 1.56 P75: 2.23 P99: 489.37 P99.9: 940.17 P99.99: 4166.52 ------------------------------------------------------ [ 0, 1 ] 7196 19.864% 19.864% #### ( 1, 2 ] 19424 53.619% 73.483% ########### ( 2, 3 ] 2368 6.537% 80.020% # ( 3, 4 ] 1172 3.235% 83.255% # ( 4, 6 ] 875 2.415% 85.671% ( 6, 10 ] 252 0.696% 86.366% ( 10, 15 ] 184 0.508% 86.874% ( 15, 22 ] 17 0.047% 86.921% ( 22, 34 ] 12 0.033% 86.954% ( 34, 51 ] 2 0.006% 86.960% ( 51, 76 ] 1 0.003% 86.962% ( 76, 110 ] 58 0.160% 87.123% ( 110, 170 ] 699 1.930% 89.052% ( 170, 250 ] 1114 3.075% 92.127% # ( 250, 380 ] 2195 6.059% 98.186% # ( 380, 580 ] 539 1.488% 99.674% ( 580, 870 ] 79 0.218% 99.892% ( 870, 1300 ] 17 0.047% 99.939% ( 1300, 1900 ] 9 0.025% 99.964% ( 1900, 2900 ] 6 0.017% 99.981% ( 2900, 4400 ] 4 0.011% 99.992% ( 4400, 6600 ] 1 0.003% 99.994% ( 14000, 22000 ] 2 0.006% 100.000% ** Level 4 read latency histogram (micros): Count: 50477 Average: 200.6786 StdDev: 197.38 Min: 0 Median: 205.8407 Max: 4180 Percentiles: P50: 205.84 P75: 317.06 P99: 802.35 P99.9: 1986.98 P99.99: 2860.62 ------------------------------------------------------ [ 0, 1 ] 3259 6.456% 6.456% # ( 1, 2 ] 9762 19.340% 25.796% #### ( 2, 3 ] 1329 2.633% 28.429% # ( 3, 4 ] 686 1.359% 29.788% ( 4, 6 ] 592 1.173% 30.961% ( 6, 10 ] 203 0.402% 31.363% ( 10, 15 ] 237 0.470% 31.832% ( 15, 22 ] 17 0.034% 31.866% ( 22, 34 ] 20 0.040% 31.906% ( 34, 51 ] 1 0.002% 31.908% ( 76, 110 ] 396 0.785% 32.692% ( 110, 170 ] 5001 9.907% 42.600% ## ( 170, 250 ] 8338 16.518% 59.118% ### ( 250, 380 ] 15541 30.788% 89.906% ###### ( 380, 580 ] 4075 8.073% 97.979% ## ( 580, 870 ] 672 1.331% 99.311% ( 870, 1300 ] 194 0.384% 99.695% ( 1300, 1900 ] 99 0.196% 99.891% ( 1900, 2900 ] 52 0.103% 99.994% ( 2900, 4400 ] 13 0.026% 100.020% ** Level 5 read latency histogram (micros): Count: 33772 Average: 294.6365 StdDev: 168.98 Min: 88 Median: 280.4609 Max: 3790 Percentiles: P50: 280.46 P75: 351.02 P99: 945.85 P99.9: 2338.26 P99.99: 3133.55 ------------------------------------------------------ ( 76, 110 ] 365 1.081% 1.081% ( 110, 170 ] 4840 14.331% 15.412% ### ( 170, 250 ] 8036 23.795% 39.207% ##### ( 250, 380 ] 15556 46.062% 85.269% ######### ( 380, 580 ] 3927 11.628% 96.897% ## ( 580, 870 ] 675 1.999% 98.896% ( 870, 1300 ] 200 0.592% 99.488% ( 1300, 1900 ] 116 0.343% 99.831% ( 1900, 2900 ] 53 0.157% 99.988% ( 2900, 4400 ] 4 0.012% 100.000% ** DB Stats ** Uptime(secs): 8.9 total, 5.0 interval Cumulative writes: 0 writes, 2000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 1.92 GB, 220.81 MB/s Cumulative WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Cumulative stall: 00:00:1.062 H:M:S, 11.9 percent Interval writes: 0 writes, 1000K keys, 0 commit groups, 0.0 writes per commit group, ingest: 984.19 MB, 197.03 MB/s Interval WAL: 0 writes, 0 syncs, 0.00 writes per sync, written: 0.00 GB, 0.00 MB/s Interval stall: 00:00:1.062 H:M:S, 21.3 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 : 368.250 micros/op 10771 ops/sec 20.331 seconds 218996 operations; 10.4 MB/s (55999 of 55999 found) Microseconds per read: Count: 218996 Average: 368.2610 StdDev: 456.14 Min: 2 Median: 335.7874 Max: 41798 Percentiles: P50: 335.79 P75: 480.70 P99: 1140.27 P99.9: 5846.38 P99.99: 23004.54 ------------------------------------------------------ ( 1, 2 ] 12 0.005% 0.005% ( 2, 3 ] 29 0.013% 0.019% ( 3, 4 ] 24 0.011% 0.030% ( 4, 6 ] 74 0.034% 0.063% ( 6, 10 ] 427 0.195% 0.258% ( 10, 15 ] 730 0.333% 0.592% ( 15, 22 ] 1011 0.462% 1.053% ( 22, 34 ] 2214 1.011% 2.064% ( 34, 51 ] 1362 0.622% 2.686% ( 51, 76 ] 2411 1.101% 3.787% ( 76, 110 ] 936 0.427% 4.215% ( 110, 170 ] 11331 5.174% 9.389% # ( 170, 250 ] 50072 22.864% 32.253% ##### ( 250, 380 ] 58895 26.893% 59.146% ##### ( 380, 580 ] 68952 31.486% 90.632% ###### ( 580, 870 ] 16008 7.310% 97.942% # ( 870, 1300 ] 3688 1.684% 99.626% ( 1300, 1900 ] 437 0.200% 99.825% ( 1900, 2900 ] 52 0.024% 99.849% ( 2900, 4400 ] 41 0.019% 99.868% ( 4400, 6600 ] 108 0.049% 99.917% ( 6600, 9900 ] 103 0.047% 99.964% ( 9900, 14000 ] 15 0.007% 99.971% ( 14000, 22000 ] 40 0.018% 99.989% ( 22000, 33000 ] 23 0.011% 100.000% ( 33000, 50000 ] 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 : 4045942 rocksdb.bloom.filter.full.positive COUNT : 258056 rocksdb.bloom.filter.full.true.positive COUNT : 218287 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 : 709 rocksdb.memtable.miss COUNT : 218287 rocksdb.l0.hit COUNT : 35950 rocksdb.l1.hit COUNT : 12610 rocksdb.l2andup.hit COUNT : 169727 rocksdb.compaction.key.drop.new COUNT : 90058 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 : 2503795 rocksdb.number.keys.read COUNT : 218996 rocksdb.number.keys.updated COUNT : 0 rocksdb.bytes.written COUNT : 2583916440 rocksdb.bytes.read COUNT : 218996000 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 : 361 rocksdb.no.file.errors COUNT : 0 rocksdb.stall.micros COUNT : 10034962 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 : 4955177633 rocksdb.compact.write.bytes COUNT : 4856312039 rocksdb.flush.write.bytes COUNT : 2572867671 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 : 18 rocksdb.number.superversion_acquires COUNT : 381 rocksdb.number.superversion_releases COUNT : 368 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 : 2555447296 rocksdb.memtable.garbage.bytes.at.flush COUNT : 4022272 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 : 5484828458 rocksdb.non.last.level.read.count COUNT : 1291879 rocksdb.block.checksum.compute.count COUNT : 1462667 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 : 332.162438 P95 : 750.331568 P99 : 1134.767213 P100 : 41797.000000 COUNT : 218996 SUM : 80065189 rocksdb.db.write.micros P50 : 1.655730 P95 : 5.030899 P99 : 12.401317 P100 : 4363.000000 COUNT : 2503795 SUM : 16856061 rocksdb.compaction.times.micros P50 : 945000.000000 P95 : 1243416.000000 P99 : 1243416.000000 P100 : 1243416.000000 COUNT : 14 SUM : 12584928 rocksdb.compaction.times.cpu_micros P50 : 860000.000000 P95 : 1071895.000000 P99 : 1071895.000000 P100 : 1071895.000000 COUNT : 14 SUM : 11754374 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 : 518.888889 P95 : 1235.500000 P99 : 1287.100000 P100 : 1298.000000 COUNT : 39 SUM : 25438 rocksdb.compaction.outfile.sync.micros P50 : 739.500000 P95 : 958.000000 P99 : 958.000000 P100 : 958.000000 COUNT : 26 SUM : 19653 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 : 146.206897 P95 : 299.833333 P99 : 1054.900000 P100 : 1060.000000 COUNT : 57 SUM : 9428 rocksdb.table.open.io.micros P50 : 4408.088235 P95 : 9379.218750 P99 : 27327.142857 P100 : 28435.000000 COUNT : 361 SUM : 1730604 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 : 2.753419 P95 : 210.590455 P99 : 369.601824 P100 : 23182.000000 COUNT : 1201174 SUM : 28198012 rocksdb.read.block.get.micros P50 : 253.406625 P95 : 495.165705 P99 : 667.453638 P100 : 23650.000000 COUNT : 261193 SUM : 67237410 rocksdb.write.raw.block.micros P50 : 0.543823 P95 : 1.631681 P99 : 5.921776 P100 : 15255.000000 COUNT : 1801835 SUM : 3612301 rocksdb.numfiles.in.singlecompaction P50 : 3.318182 P95 : 15.350000 P99 : 20.670000 P100 : 21.000000 COUNT : 19 SUM : 86 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 : 0.596855 P95 : 1158.350125 P99 : 2220.402820 P100 : 2420.000000 COUNT : 67484 SUM : 10049286 rocksdb.sst.read.micros P50 : 1.578718 P95 : 346.514440 P99 : 501.989868 P100 : 14746.000000 COUNT : 1292008 SUM : 88794847 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 : 218996 SUM : 218996000 rocksdb.bytes.per.write P50 : 1032.000000 P95 : 1032.000000 P99 : 1032.000000 P100 : 1032.000000 COUNT : 2503795 SUM : 2583916440 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 : 214285.714286 P95 : 286593.000000 P99 : 286593.000000 P100 : 286593.000000 COUNT : 39 SUM : 8372863 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 : 47 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