== sanityn test 77k: check TBF policy with UID/GID/JobID/OPCode expression ========================================================== 20:09:20 (1755043760) ost.OSS.ost_io.nrs_policies=tbf ost.OSS.ost_io.nrs_tbf_rule=start ext_w jobid={dd.500}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r jobid={dd.500}&opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.252759 s, 66.4 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0292993 s, 35.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0262435 s, 40.0 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0789935 s, 13.3 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0704615 s, 14.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0830409 s, 12.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0795625 s, 13.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0846884 s, 12.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0777411 s, 13.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0941695 s, 11.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0993809 s, 10.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.083346 s, 12.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.11035 s, 9.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.105789 s, 9.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0967957 s, 10.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0933203 s, 11.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0999596 s, 10.5 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0148028 s, 70.8 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0162013 s, 64.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0168539 s, 62.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0129968 s, 80.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0135835 s, 77.2 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0190713 s, 55.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0235394 s, 44.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0217397 s, 48.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0248744 s, 42.2 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0203643 s, 51.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.020682 s, 50.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0068601 s, 153 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0044765 s, 234 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00419964 s, 250 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00345652 s, 303 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00362091 s, 290 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.99993 s, 21.0 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73979 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_w ost.OSS.ost_io.nrs_tbf_rule=stop ext_r ost.OSS.ost_io.nrs_tbf_rule=start ext_w nid={0@lo 192.168.202.55@tcp}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r nid={0@lo 192.168.202.55@tcp}&opcode={ost_read} rate=10 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.146034 s, 115 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0202396 s, 51.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0428159 s, 24.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0319685 s, 32.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0540915 s, 19.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0544964 s, 19.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0590285 s, 17.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0923744 s, 11.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0854846 s, 12.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0880617 s, 11.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0978986 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0974785 s, 10.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.102784 s, 10.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.161501 s, 6.5 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.181698 s, 5.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.212972 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.213766 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0113038 s, 92.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00756707 s, 139 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0145748 s, 71.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0191165 s, 54.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.025554 s, 41.0 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.022728 s, 46.1 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0311891 s, 33.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00743796 s, 141 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00402524 s, 261 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0311163 s, 33.7 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0275576 s, 38.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0328216 s, 31.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00601975 s, 174 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0261336 s, 40.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00335069 s, 313 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00524345 s, 200 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.99709 s, 21.0 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73326 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_w ost.OSS.ost_io.nrs_tbf_rule=stop ext_r ost.OSS.ost_io.nrs_tbf_rule=start ext nid={0@lo 192.168.202.55@tcp}&jobid={dd.500} rate=20 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.165928 s, 101 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.030408 s, 34.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0324084 s, 32.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0441057 s, 23.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0438807 s, 23.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0552902 s, 19.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0508012 s, 20.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0774654 s, 13.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0821368 s, 12.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0827824 s, 12.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0677083 s, 15.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0726263 s, 14.4 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.098901 s, 10.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0939393 s, 11.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.109523 s, 9.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.11523 s, 9.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.10548 s, 9.9 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0130295 s, 80.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0171314 s, 61.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0166228 s, 63.1 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0155936 s, 67.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0214987 s, 48.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0194833 s, 53.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.024327 s, 43.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00734697 s, 143 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0229355 s, 45.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0168754 s, 62.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00571234 s, 184 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0240987 s, 43.5 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00786697 s, 133 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00666832 s, 157 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0127557 s, 82.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0180511 s, 58.1 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 20 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.98735 s, 21.0 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.88362 s, 21.5 MB/s Read runtime is 6 s, speed is 16.666666 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext ost.OSS.ost_io.nrs_tbf_rule=start ext_a jobid={dd.500},opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_b jobid={dd.500},opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.136862 s, 123 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0294111 s, 35.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0492596 s, 21.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0934778 s, 11.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.105029 s, 10.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.114358 s, 9.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.113183 s, 9.3 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.111679 s, 9.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.111226 s, 9.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.130092 s, 8.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.139966 s, 7.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124227 s, 8.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119981 s, 8.7 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.147254 s, 7.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.15177 s, 6.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.257172 s, 4.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.234043 s, 4.5 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.015683 s, 66.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0145533 s, 72.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0144142 s, 72.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0215275 s, 48.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0192795 s, 54.4 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0225999 s, 46.4 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00619855 s, 169 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00986486 s, 106 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00762019 s, 138 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.021538 s, 48.7 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0249117 s, 42.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0170581 s, 61.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0060397 s, 174 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0110753 s, 94.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0258467 s, 40.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0300879 s, 34.9 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 10, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.80341 s, 10.7 MB/s Write runtime is 10 s, speed is 10.000000 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73244 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 4.92294 s, 21.3 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73198 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_a ost.OSS.ost_io.nrs_tbf_rule=stop ext_b ost.OSS.ost_io.nrs_tbf_rule=start ext_ug uid={500}&gid={500} rate=5 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.151635 s, 111 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.04166 s, 25.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0712388 s, 14.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0751743 s, 13.9 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0692849 s, 15.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0878924 s, 11.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.095118 s, 11.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0702046 s, 14.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0960206 s, 10.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0634125 s, 16.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0709531 s, 14.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0892015 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0704456 s, 14.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0669505 s, 15.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0644296 s, 16.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.102514 s, 10.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0788585 s, 13.3 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0107029 s, 98.0 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0142417 s, 73.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0208295 s, 50.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0216824 s, 48.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00420885 s, 249 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0212766 s, 49.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0255958 s, 41.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0158731 s, 66.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0225779 s, 46.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0202462 s, 51.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0218399 s, 48.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0220494 s, 47.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00386893 s, 271 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0261299 s, 40.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00413328 s, 254 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00411768 s, 255 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 5, read rate: 5 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 19.6734 s, 5.3 MB/s Write runtime is 21 s, speed is 4.761904 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 19.4453 s, 5.4 MB/s Read runtime is 20 s, speed is 5.000000 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_ug ost.OSS.ost_io.nrs_tbf_rule=start ext_uw uid={500}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_ur uid={500}&opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.138383 s, 121 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.028277 s, 37.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0466156 s, 22.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0552875 s, 19.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0681988 s, 15.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0648395 s, 16.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.103482 s, 10.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.10651 s, 9.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0984463 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.118653 s, 8.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119941 s, 8.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.101582 s, 10.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.1313 s, 8.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.124093 s, 8.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.142945 s, 7.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.129681 s, 8.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.135193 s, 7.8 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227663 s, 46.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.022094 s, 47.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0222847 s, 47.1 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0276691 s, 37.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0263047 s, 39.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0212155 s, 49.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0237213 s, 44.2 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0298395 s, 35.1 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0246369 s, 42.6 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.01507 s, 69.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0124331 s, 84.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0333447 s, 31.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0122003 s, 85.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0104456 s, 100 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00899099 s, 117 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0210004 s, 49.9 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 5.04738 s, 20.8 MB/s Write runtime is 6 s, speed is 16.666666 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.73879 s, 10.8 MB/s Read runtime is 10 s, speed is 10.000000 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_uw ost.OSS.ost_io.nrs_tbf_rule=stop ext_ur ost.OSS.ost_io.nrs_tbf_rule=start ext_a uid={500},opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_b uid={500},opcode={ost_read} rate=10 running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.461941 s, 36.3 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_w] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0384062 s, 27.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.032519 s, 32.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.114105 s, 9.2 MB/s1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.10969 s, 9.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0967387 s, 10.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.103961 s, 10.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0976673 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.112576 s, 9.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.112089 s, 9.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.120434 s, 8.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.136376 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.126846 s, 8.3 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.134931 s, 7.8 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.140838 s, 7.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.135691 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.157359 s, 6.7 MB/s running as uid/gid/euid/egid 500/500/500/500, groups: 500 [declare] [-a] [pids_r] execvp fails running declare (13): Permission denied 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0103493 s, 101 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0172836 s, 60.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0163942 s, 64.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0136599 s, 76.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0150654 s, 69.6 MB/s 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00951112 s, 110 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0211509 s, 49.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00772027 s, 136 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00483295 s, 217 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0216595 s, 48.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0190011 s, 55.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0052922 s, 198 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0238649 s, 43.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0108203 s, 96.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0264929 s, 39.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00401713 s, 261 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg255-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg255-client.virtnet' removed directory '/mnt/lustre/d77k.sanityn' cpu_npartitions on ost1 is 1 Limited write rate: 10, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.79795 s, 10.7 MB/s Write runtime is 11 s, speed is 9.090909 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.75263 s, 10.8 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete cpu_npartitions on ost1 is 1 Limited write rate: 20, read rate: 10 Verify the write rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/dev/zero] [of=/mnt/lustre/d77k.sanityn/tbf] [bs=1M] [count=100] [oflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.78181 s, 10.7 MB/s Write runtime is 11 s, speed is 9.090909 IOPS Verify the read rate is under TBF control running as uid/gid/euid/egid 500/500/500/500, groups: 500 [dd] [if=/mnt/lustre/d77k.sanityn/tbf] [of=/dev/null] [bs=1M] [count=100] [iflag=direct] 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 9.75435 s, 10.7 MB/s Read runtime is 11 s, speed is 9.090909 IOPS cleanup_tbf /mnt/lustre/d77k.sanityn sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete ost.OSS.ost_io.nrs_tbf_rule=stop ext_a ost.OSS.ost_io.nrs_tbf_rule=stop ext_b ost.OSS.ost_io.nrs_policies=fifo