btrfs test results diorandread results metric baseline current stdev diff ============================================================================================= avg_commit_ms 25.54 57.25 0.22 124.16% bg_count 19 19 0 0.00% btrfs_commit_transaction_calls 16 16 0 0.00% btrfs_commit_transaction_ns_max 27849372.40 81574818.50 1353338.04 192.91% btrfs_commit_transaction_ns_mean 25522010.37 56429129.86 219731.20 121.10% btrfs_commit_transaction_ns_min 24300165.20 25252965.60 314028.52 3.92% btrfs_commit_transaction_ns_p50 25378574.15 70735134.55 275338.71 178.72% btrfs_commit_transaction_ns_p95 27095050.60 80191367.90 913791.09 195.96% btrfs_commit_transaction_ns_p99 27698508.04 81298128.38 1227554.34 193.51% commits 17 17 0 0.00% elapsed 19.70 19.90 0.48 1.02% end_state_mount_ns 9385204.60 10359157.80 806936.60 10.38% end_state_umount_ns 1.03e+09 1.03e+09 2491354.03 -0.04% find_free_extent_calls 3950.90 3947.50 9.80 -0.09% find_free_extent_ns_max 22268 27013 6628.91 21.31% find_free_extent_ns_mean 1164.83 1223.75 32.63 5.06% find_free_extent_ns_min 476 471 5.16 -1.05% find_free_extent_ns_p50 615 628 23.69 2.11% find_free_extent_ns_p95 4730.15 5275.95 253.70 11.54% find_free_extent_ns_p99 5578.19 5982.28 145.34 7.24% max_commit_ms 31.60 81.40 2.27 157.59% read_bw_bytes 9.04e+08 9.02e+08 23941409.17 -0.31% read_clat_ns_mean 70770.84 69969.48 1827.20 -1.13% read_clat_ns_p50 69555.20 67712 2165.69 -2.65% read_clat_ns_p99 117452.80 124876.80 1057.58 6.32% read_io_bytes 1.72e+10 1.72e+10 0 0.00% read_io_kbytes 16777216 16777216 0 0.00% read_iops 220804.66 220130.04 5845.07 -0.31% read_lat_ns_max 778561.30 3439422.90 605457.66 341.77% read_lat_ns_mean 70840.30 70044.48 1828.15 -1.12% read_lat_ns_min 15357 15723 783.68 2.38% sys_cpu 10.52 11.19 0.39 6.38% dbench60 results metric baseline current stdev diff ============================================================================================= avg_commit_ms 84.71 101.28 12.62 19.56% bg_count 9.90 9.10 0.74 -8.08% btrfs_commit_transaction_calls 121.40 116.10 21.12 -4.37% btrfs_commit_transaction_ns_max 3.14e+08 5.40e+08 2.30e+08 72.37% btrfs_commit_transaction_ns_mean 48122839.32 62766281.70 16557481.02 30.43% btrfs_commit_transaction_ns_min 11913291.30 13666687.50 1448479.17 14.72% btrfs_commit_transaction_ns_p50 23244215.95 33046544.80 8044198.63 42.17% btrfs_commit_transaction_ns_p95 1.51e+08 2.14e+08 1.22e+08 41.60% btrfs_commit_transaction_ns_p99 2.53e+08 4.10e+08 1.45e+08 62.29% close 2.10 1.73 0.87 -17.82% commits 30.10 29.30 0.57 -2.66% deltree 92.54 88.05 6.83 -4.85% end_state_mount_ns 8553283.20 10256422.50 1250475.90 19.91% end_state_umount_ns 1.14e+09 1.15e+09 21174973.24 0.96% find_free_extent_calls 3293118 2754626.20 304060.52 -16.35% find_free_extent_ns_max 3117419.90 1418719.50 5080838.86 -54.49% find_free_extent_ns_mean 1993.86 2186.69 83.12 9.67% find_free_extent_ns_min 479 472 7.38 -1.46% find_free_extent_ns_p50 1794 1886 28.36 5.13% find_free_extent_ns_p95 3416 4134 362.83 21.02% find_free_extent_ns_p99 9374.06 10574 526.28 12.80% flush 192.59 327.44 88.95 70.02% lockx 0.50 0.40 0.21 -19.81% max_commit_ms 310 533.40 228.17 72.06% mkdir 0.02 0.01 0.02 -43.01% ntcreatex 49.42 72.18 35.10 46.05% readx 2.24 2.57 1.42 14.62% rename 28.41 28.36 8.87 -0.19% throughput 991.83 847.55 84.16 -14.55% unlink 44.79 77.90 29.63 73.91% unlockx 0.40 0.28 0.09 -30.32% writex 24.70 26.65 4.79 7.88% bufferedrandwrite16g results metric baseline current stdev diff =========================================================================================== avg_commit_ms 469.91 407.71 18.48 -13.24% bg_count 20 20 0 0.00% btrfs_commit_transaction_calls 84.70 80.40 19.57 -5.08% btrfs_commit_transaction_ns_max 8.34e+08 8.67e+08 42977549.85 4.00% btrfs_commit_transaction_ns_mean 5.04e+08 4.40e+08 17856163.69 -12.65% btrfs_commit_transaction_ns_min 1.14e+08 1.29e+08 16055446.24 13.81% btrfs_commit_transaction_ns_p50 5.39e+08 4.57e+08 37788654.93 -15.10% btrfs_commit_transaction_ns_p95 7.29e+08 6.42e+08 54952270.37 -11.96% btrfs_commit_transaction_ns_p99 8.01e+08 7.93e+08 38315121.66 -0.91% commits 85.20 81 19.72 -4.93% elapsed 85 78.80 8.31 -7.29% end_state_mount_ns 30085032 38422377 7740864.85 27.71% end_state_umount_ns 2.66e+09 2.65e+09 37316689.43 -0.43% find_free_extent_calls 5077175.60 5047985.40 211495.30 -0.57% find_free_extent_ns_max 2682041.80 3322937 2548416.90 23.90% find_free_extent_ns_mean 1068.98 1084.71 9.72 1.47% find_free_extent_ns_min 492 488 4.22 -0.81% find_free_extent_ns_p50 919 941 12.87 2.39% find_free_extent_ns_p95 1833 1842 13.37 0.49% find_free_extent_ns_p99 2554 2535 96.06 -0.74% max_commit_ms 820.80 979.50 47.30 19.33% sys_cpu 34.92 39.58 9.69 13.33% write_bw_bytes 2.06e+08 2.22e+08 26858739.65 7.85% write_clat_ns_mean 19565.36 17992.62 2034.88 -8.04% write_clat_ns_p50 6086.40 6412.80 466.61 5.36% write_clat_ns_p99 26675.20 29849.60 3142.42 11.90% write_io_kbytes 16777216 16777216 0 0.00% write_iops 50218.62 54158.84 6557.31 7.85% write_lat_ns_max 7.77e+08 7.29e+08 67020154.82 -6.19% write_lat_ns_mean 19618.45 18047.63 2034.50 -8.01% write_lat_ns_min 2486 2467 56.41 -0.76% randwrite2xram results metric baseline current stdev diff ============================================================================================= avg_commit_ms 606.29 496.27 32.26 -18.15% btrfs_commit_transaction_calls 252.10 265.30 19.60 5.24% btrfs_commit_transaction_ns_max 1.21e+09 1.08e+09 89123098.73 -11.08% btrfs_commit_transaction_ns_mean 6.76e+08 5.64e+08 33584296.19 -16.54% btrfs_commit_transaction_ns_min 1.37e+08 1.23e+08 40351993.04 -10.43% btrfs_commit_transaction_ns_p50 7.57e+08 6.29e+08 18904144.26 -16.92% btrfs_commit_transaction_ns_p95 8.94e+08 8.02e+08 20927049.31 -10.20% btrfs_commit_transaction_ns_p99 1.07e+09 1.02e+09 64203276.76 -4.49% commits 253.60 266.40 19.64 5.05% elapsed 253.80 235.30 7.19 -7.29% end_state_mount_ns 29450969.40 34910892.20 8515356.49 18.54% end_state_umount_ns 3.16e+09 3.21e+09 88788673.29 1.50% find_free_extent_calls 11924323.70 11971495.20 143994.14 0.40% find_free_extent_ns_max 8981443.30 10121833.80 2165751.57 12.70% find_free_extent_ns_mean 1231.93 1252.51 8.52 1.67% find_free_extent_ns_min 487 489 4.83 0.41% find_free_extent_ns_p50 1095 1110 10.80 1.37% find_free_extent_ns_p95 2082 2109 20.44 1.30% find_free_extent_ns_p99 2708 2738 34.58 1.11% max_commit_ms 1137.10 992 86.52 -12.76% sys_cpu 4.60 5.11 0.12 10.93% write_bw_bytes 1.22e+08 1.32e+08 3756491.75 8.15% write_clat_ns_mean 133141.59 122938.45 3904.65 -7.66% write_clat_ns_p50 5017.60 5164.80 36.33 2.93% write_clat_ns_p99 94822.40 92876.80 2016.47 -2.05% write_io_kbytes 29025808 28988880.80 74516.49 -0.13% write_iops 29849.56 32281.68 917.11 8.15% write_lat_ns_max 1.11e+09 9.68e+08 84684738.21 -12.70% write_lat_ns_mean 133195.38 122992.23 3905.07 -7.66% write_lat_ns_min 2527 2541 30.57 0.55% untarfirefox results metric baseline current stdev diff ==================================================================================== bg_count 5 5 0 0.00% elapsed 20.32 19.76 0.65 -2.77% end_state_mount_ns 7833490.10 10022427.60 1500137.55 27.94% end_state_umount_ns 2.64e+09 2.43e+09 40194275.24 -8.01% find_free_extent_calls 110601.20 110663.70 356.10 0.06% find_free_extent_ns_max 29394 90710 5666.62 208.60% find_free_extent_ns_mean 1153.48 1167.66 27.07 1.23% find_free_extent_ns_min 464 462 18.97 -0.43% find_free_extent_ns_p50 1086 1106 46.71 1.84% find_free_extent_ns_p95 1873 1878.55 20.58 0.30% find_free_extent_ns_p99 2509.54 2558.14 34.97 1.94% dio4kbs16threads results metric baseline current stdev diff ============================================================================================ avg_commit_ms 1072.90 775.45 257.33 -27.72% bg_count 25.80 25 1.62 -3.10% btrfs_commit_transaction_calls 1.40 1.20 0.52 -14.29% btrfs_commit_transaction_ns_max 1.33e+09 8.84e+08 2.58e+08 -33.60% btrfs_commit_transaction_ns_mean 1.25e+09 8.50e+08 2.14e+08 -32.24% btrfs_commit_transaction_ns_min 1.18e+09 8.15e+08 2.23e+08 -30.70% btrfs_commit_transaction_ns_p50 1.25e+09 8.50e+08 2.14e+08 -32.24% btrfs_commit_transaction_ns_p95 1.32e+09 8.81e+08 2.52e+08 -33.47% btrfs_commit_transaction_ns_p99 1.33e+09 8.84e+08 2.57e+08 -33.57% commits 1.40 1.20 0.52 -14.29% elapsed 55.70 56.70 0.67 1.80% end_state_mount_ns 8772265.30 11776873.20 1630968.77 34.25% end_state_umount_ns 2.45e+09 2.23e+09 82674437.03 -9.12% find_free_extent_calls 1608837.30 1599596.90 13712.55 -0.57% find_free_extent_ns_max 895715 1460238.40 440626.01 63.02% find_free_extent_ns_mean 2570.42 2594.61 24.00 0.94% find_free_extent_ns_min 515 518 5.27 0.58% find_free_extent_ns_p50 2149 2153 19.12 0.19% find_free_extent_ns_p95 3836 3892 54.61 1.46% find_free_extent_ns_p99 13636 13711 103.41 0.55% frag_pct_max 99.99 99.99 0.00 -0.00% frag_pct_mean 86.06 86.14 0.04 0.09% frag_pct_min 3.42 3.95 0.17 15.53% frag_pct_p50 99.99 99.98 0.00 -0.00% frag_pct_p95 99.99 99.99 0.00 -0.00% frag_pct_p99 99.99 99.99 0.00 -0.00% fragmented_bg_count 7 7 0 0.00% max_commit_ms 1128.90 788.70 226.48 -30.14% sys_cpu 12.04 12.22 0.13 1.52% write_bw_bytes 3.11e+08 3.06e+08 3177597.95 -1.60% write_clat_ns_mean 207570.30 210743.48 2012.79 1.53% write_clat_ns_p50 71168 73830.40 1526.49 3.74% write_clat_ns_p99 525516.80 533299.20 12995.79 1.48% write_io_kbytes 16777216 16777216 0 0.00% write_iops 75899.65 74687.33 775.78 -1.60% write_lat_ns_max 4.83e+08 3.21e+08 2.37e+08 -33.61% write_lat_ns_mean 207741.14 210923.17 2020.35 1.53% write_lat_ns_min 22887 23594 1031.53 3.09% correlatedlifetimes results metric baseline current stdev diff =================================================================================== avg_commit_ms 23.50 23.03 0.82 -1.99% bg_count 74 74 0 0.00% commits 3 3 0 0.00% elapsed 9 9 0 0.00% end_state_mount_ns 9560480.60 10459914.60 1055696.67 9.41% end_state_umount_ns 1.05e+09 1.05e+09 8453132.79 -0.16% find_free_extent_calls 1022525.20 1024164.10 1957.11 0.16% find_free_extent_ns_max 48303 44910 22331.03 -7.02% find_free_extent_ns_mean 1484.16 1527.70 16.26 2.93% find_free_extent_ns_min 463 485 6.75 4.75% find_free_extent_ns_p50 1417 1457 18.29 2.82% find_free_extent_ns_p95 2472 2525 28.60 2.14% find_free_extent_ns_p99 2625 2670 33.75 1.71% frag_pct_max 25.71 23.26 13.41 -9.55% frag_pct_mean 25.71 23.26 13.41 -9.55% frag_pct_min 25.71 23.26 13.41 -9.55% frag_pct_p50 25.71 23.26 13.41 -9.55% frag_pct_p95 25.71 23.26 13.41 -9.55% frag_pct_p99 25.71 23.26 13.41 -9.55% fragmented_bg_count 1 1 0 0.00% max_commit_ms 41.80 40.20 2.30 -3.83% sys_cpu 72.06 71.94 0.19 -0.16% write_bw_bytes 2.94e+10 2.87e+10 2.21e+08 -2.31% write_clat_ns_mean 6631.84 6804.36 56.38 2.60% write_clat_ns_p50 6368 6515.20 60.34 2.31% write_clat_ns_p99 13158.40 13542.40 367.28 2.92% write_io_kbytes 2.36e+08 2.36e+08 0 0.00% write_iops 124546.04 121674.45 936.60 -2.31% write_lat_ns_max 29182760.80 28244255.50 514423.63 -3.22% write_lat_ns_mean 8993.09 9239.15 62.12 2.74% write_lat_ns_min 1429 1672 467.99 17.00% bufferedappendvsfallocate results metric baseline current stdev diff =================================================================================== avg_commit_ms 29.97 29.84 2.13 -0.45% bg_count 14 13.90 0 -0.71% commits 11 11 0 0.00% elapsed 23.40 28.10 0.52 20.09% end_state_mount_ns 9610017.40 10763057.80 1503091.26 12.00% end_state_umount_ns 1.34e+09 1.36e+09 7757625.79 1.10% find_free_extent_calls 115281.50 116738.30 183.29 1.26% find_free_extent_ns_max 736781.20 934119.30 294146.14 26.78% find_free_extent_ns_mean 3550.14 3841.72 99.12 8.21% find_free_extent_ns_min 500 502 9.43 0.40% find_free_extent_ns_p50 2817 2987 66.51 6.03% find_free_extent_ns_p95 4712 4914 65.12 4.29% find_free_extent_ns_p99 20425.23 24474.39 1208.05 19.82% frag_pct_max 65 56.74 5.27 -12.70% frag_pct_mean 42.65 43.20 2.66 1.30% frag_pct_min 6.03 24.06 9.47 299.22% frag_pct_p50 48.33 45.79 5.27 -5.25% frag_pct_p95 65 56.74 5.27 -12.70% frag_pct_p99 65 56.74 5.27 -12.70% fragmented_bg_count 7.60 4.80 2.12 -36.84% max_commit_ms 45.80 50.10 3.05 9.39% sys_cpu 2.82 2.43 0.03 -13.80% write_bw_bytes 1.88e+08 1.57e+08 1910288.52 -16.16% write_clat_ns_mean 40099.69 39452.74 1231.05 -1.61% write_clat_ns_p50 37990.40 38502.40 1053.44 1.35% write_clat_ns_p99 79155.20 76083.20 2354.95 -3.88% write_io_kbytes 4194304 4194304 0 0.00% write_iops 2864.54 2401.63 29.15 -16.16% write_lat_ns_max 2088168.60 1973602.60 255354.92 -5.49% write_lat_ns_mean 41656.26 40742.30 1460.01 -2.19% write_lat_ns_min 15689 15794 1074.90 0.67% foursizes results metric baseline current stdev diff ===================================================================================== avg_commit_ms 11.89 14.95 0.32 25.79% bg_count 36.50 35 6.70 -4.11% commits 28.60 28.90 1.17 1.05% elapsed 13.10 16.20 0.32 23.66% end_state_mount_ns 11168617.90 12692598.40 3289257.69 13.65% end_state_umount_ns 1.31e+09 1.33e+09 10639390.14 1.14% find_free_extent_calls 69849.60 70977.40 1103.44 1.61% find_free_extent_ns_max 2744528.60 4921151.40 1765827.26 79.31% find_free_extent_ns_mean 3553.75 3598.85 88.19 1.27% find_free_extent_ns_min 454 459 5.16 1.10% find_free_extent_ns_p50 2518 2534 53.08 0.64% find_free_extent_ns_p95 6570.95 6180.95 111.68 -5.94% find_free_extent_ns_p99 20771.95 20003.63 1128.27 -3.70% frag_pct_max 60.61 53.88 7.60 -11.11% frag_pct_mean 43.01 37.45 10.04 -12.94% frag_pct_min 23.81 22.00 16.70 -7.61% frag_pct_p50 43.94 36.59 11.37 -16.73% frag_pct_p95 60.61 53.88 7.60 -11.11% frag_pct_p99 60.61 53.88 7.60 -11.11% fragmented_bg_count 3.60 3.20 1.43 -11.11% max_commit_ms 28.60 26.30 3.10 -8.04% sys_cpu 3.11 2.56 0.06 -17.55% write_bw_bytes 3.40e+08 2.75e+08 4581673.23 -19.24% write_clat_ns_mean 91647.05 89264.81 733.95 -2.60% write_clat_ns_p50 82944 80588.80 870.23 -2.84% write_clat_ns_p99 209510.40 205414.40 5612.83 -1.96% write_io_kbytes 4194304 4194304 0 0.00% write_iops 2595.81 2096.38 34.96 -19.24% write_lat_ns_max 2523874.50 3372066.90 682005.97 33.61% write_lat_ns_mean 98150.03 95297.89 877.51 -2.91% write_lat_ns_min 31255 31878 2193.77 1.99% funnysizeslow results metric baseline current stdev diff ===================================================================================== avg_commit_ms 8.67 14.08 0.47 62.42% bg_count 22.60 25.60 4.55 13.27% commits 23.10 22 0.57 -4.76% elapsed 14.30 17.80 0.48 24.48% end_state_mount_ns 11041563.90 13301753.60 3222788.88 20.47% end_state_umount_ns 1.34e+09 1.35e+09 14664730.97 0.72% find_free_extent_calls 80889.70 82030 1132.81 1.41% find_free_extent_ns_max 634212.20 3576572.80 97577.23 463.94% find_free_extent_ns_mean 2920.54 3134.64 41.38 7.33% find_free_extent_ns_min 492 493 7.89 0.20% find_free_extent_ns_p50 2430 2547 41.63 4.81% find_free_extent_ns_p95 4676 4754.01 69.31 1.67% find_free_extent_ns_p99 12648.62 12788.42 383.16 1.11% frag_pct_max 64.14 59.52 10.13 -7.19% frag_pct_mean 18.55 13.56 8.02 -26.88% frag_pct_min 0.05 0.00 0.15 -91.44% frag_pct_p50 4.63 3.71 9.00 -19.90% frag_pct_p95 63.61 56.61 10.19 -11.00% frag_pct_p99 64.14 59.52 10.13 -7.19% fragmented_bg_count 13.90 14.70 5.13 5.76% max_commit_ms 18.10 27.10 2.18 49.72% sys_cpu 3.23 2.68 0.06 -16.91% write_bw_bytes 3.12e+08 2.49e+08 5457053.09 -20.10% write_clat_ns_mean 88223.04 88258.79 670.27 0.04% write_clat_ns_p50 83456 83558.40 965.44 0.12% write_clat_ns_p99 167936 168755.20 2212.09 0.49% write_io_kbytes 4194048 4194048 0 0.00% write_iops 2399.21 1916.90 41.96 -20.10% write_lat_ns_max 1561279.20 1351685.40 716977.47 -13.42% write_lat_ns_mean 92271.50 92221.47 715.09 -0.05% write_lat_ns_min 33467.10 35136 2543.97 4.99% funnysizeshigh results metric baseline current stdev diff =================================================================================== avg_commit_ms 8.40 13.50 0.39 60.65% bg_count 21.20 22.50 5.55 6.13% commits 22.50 22.40 1.08 -0.44% elapsed 14 17.60 0 25.71% end_state_mount_ns 9611295.50 13480683.80 1725505.97 40.26% end_state_umount_ns 1.34e+09 1.35e+09 6911336.11 0.73% find_free_extent_calls 76415 77833.40 842.16 1.86% find_free_extent_ns_max 711189.20 4316209.20 235799.92 506.90% find_free_extent_ns_mean 3021.25 3177.01 23.79 5.16% find_free_extent_ns_min 500 495 8.16 -1.00% find_free_extent_ns_p50 2512.10 2594 33.56 3.26% find_free_extent_ns_p95 4676 4766 51.03 1.92% find_free_extent_ns_p99 13286.82 13112.37 488.06 -1.31% frag_pct_max 65.99 57.40 10.10 -13.01% frag_pct_mean 18.22 13.05 9.83 -28.37% frag_pct_min 0.00 0.01 0.00 121.79% frag_pct_p50 11.24 3.02 18.35 -73.18% frag_pct_p95 63.36 55.23 10.92 -12.83% frag_pct_p99 65.99 57.40 10.10 -13.01% fragmented_bg_count 13.40 14.60 5.44 8.96% max_commit_ms 17.10 26.60 2.02 55.56% sys_cpu 3.29 2.70 0.03 -17.80% write_bw_bytes 3.18e+08 2.53e+08 4632296.45 -20.43% write_clat_ns_mean 88918.21 89283.59 712.23 0.41% write_clat_ns_p50 84377.60 84684.80 1018.30 0.36% write_clat_ns_p99 166502.40 168960 3454.05 1.48% write_io_kbytes 4194048 4194048 0 0.00% write_iops 2408.59 1916.57 35.07 -20.43% write_lat_ns_max 1832380.70 1130697.20 471235.20 -38.29% write_lat_ns_mean 93016.10 93318.81 755.67 0.33% write_lat_ns_min 33817 35777 2227.38 5.80% mixedlifetimes results metric baseline current stdev diff ==================================================================================== avg_commit_ms 22.61 24.91 1.00 10.19% bg_count 30.70 32 2.26 4.23% commits 26.40 28.10 0.84 6.44% elapsed 13.10 15.70 0.32 19.85% end_state_mount_ns 12341070.10 12685461.30 3616272.54 2.79% end_state_umount_ns 1.30e+09 1.32e+09 5274799.57 1.54% find_free_extent_calls 1074163.90 1076541.50 1174.41 0.22% find_free_extent_ns_max 948761.30 832162.30 932745.33 -12.29% find_free_extent_ns_mean 1256.52 1336.85 57.09 6.39% find_free_extent_ns_min 451 480 7.38 6.43% find_free_extent_ns_p50 1044 1104 36.27 5.75% find_free_extent_ns_p95 2394 2567 135.17 7.23% find_free_extent_ns_p99 3974 4213 184.82 6.01% frag_pct_max 84.86 86.88 3.69 2.38% frag_pct_mean 59.80 61.03 4.78 2.06% frag_pct_min 11.19 10.44 12.01 -6.64% frag_pct_p50 64.62 66.94 6.10 3.60% frag_pct_p95 83.66 84.54 2.45 1.05% frag_pct_p99 84.86 86.88 3.69 2.38% fragmented_bg_count 24.80 26.80 2.97 8.06% max_commit_ms 57.20 65.30 7.02 14.16% sys_cpu 2.69 2.32 0.07 -13.53% write_bw_bytes 3.48e+08 2.83e+08 4990335.78 -18.58% write_clat_ns_mean 68695.78 68845.67 1095.09 0.22% write_clat_ns_p50 64332.80 64051.20 1271.72 -0.44% write_clat_ns_p99 144588.80 149094.40 2635.13 3.12% write_io_kbytes 4194304 4194304 0 0.00% write_iops 2653.62 2160.56 38.07 -18.58% write_lat_ns_max 2610653.80 2977889.60 2155915.89 14.07% write_lat_ns_mean 74975.86 74625.49 1111.75 -0.47% write_lat_ns_min 25938 26800 1021.91 3.32%