== sanityn test 77k: check TBF policy with UID/GID/JobID/OPCode expression ========================================================== 22:41:37 (1772682097) 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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.271861 s, 61.7 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, 0.0326285 s, 32.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0720581 s, 14.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0957257 s, 11.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0809761 s, 12.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0907033 s, 11.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0982154 s, 10.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0886075 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0949751 s, 11.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0897657 s, 11.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0823061 s, 12.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0937249 s, 11.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0893977 s, 11.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.111045 s, 9.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.086736 s, 12.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.090155 s, 11.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.107963 s, 9.7 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 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, 0.0138168 s, 75.9 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0154843 s, 67.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0196147 s, 53.5 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, 0.0214188 s, 49.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0198667 s, 52.8 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, 0.0197041 s, 53.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0203372 s, 51.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0104945 s, 99.9 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, 0.0230758 s, 45.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00779457 s, 135 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0194149 s, 54.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0233639 s, 44.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00947466 s, 111 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00570332 s, 184 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0039415 s, 266 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00504052 s, 208 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-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, 4.94278 s, 21.2 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, 9.7351 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_w ost.OSS.ost_io.nrs_tbf_rule=stop ext_r ost.OSS.ost_io.nrs_tbf_rule=start ext_w nid={0@lo 192.168.201.11@tcp}&opcode={ost_write} rate=20 ost.OSS.ost_io.nrs_tbf_rule=start ext_r nid={0@lo 192.168.201.11@tcp}&opcode={ost_read} rate=10 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.241808 s, 69.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0461423 s, 22.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0434871 s, 24.1 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, 0.130774 s, 8.0 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.121411 s, 8.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.11564 s, 9.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.122846 s, 8.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119632 s, 8.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.130533 s, 8.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.136387 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.131417 s, 8.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.127778 s, 8.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.118711 s, 8.8 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, 0.227962 s, 4.6 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.243489 s, 4.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.307234 s, 3.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.291533 s, 3.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0214257 s, 48.9 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, 0.0292674 s, 35.8 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0347163 s, 30.2 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, 0.0322763 s, 32.5 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, 0.0303443 s, 34.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.037988 s, 27.6 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, 0.0312915 s, 33.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.01267 s, 82.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0166969 s, 62.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0314311 s, 33.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0356475 s, 29.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0151534 s, 69.2 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, 0.0205184 s, 51.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0103534 s, 101 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0125898 s, 83.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0327477 s, 32.0 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-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, 4.95114 s, 21.2 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, 9.73978 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 192.168.201.11@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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.246832 s, 68.0 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, 0.0280727 s, 37.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0296216 s, 35.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0993469 s, 10.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0803474 s, 13.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.101271 s, 10.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0887333 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0890378 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.113026 s, 9.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.107744 s, 9.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.087477 s, 12.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0969251 s, 10.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.104164 s, 10.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.110581 s, 9.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.115913 s, 9.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.121607 s, 8.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.113173 s, 9.3 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 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0146192 s, 71.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0170424 s, 61.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.01527 s, 68.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00912472 s, 115 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0189566 s, 55.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0162398 s, 64.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0219169 s, 47.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00746857 s, 140 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, 0.0183103 s, 57.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0266954 s, 39.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0317311 s, 33.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0235331 s, 44.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00361242 s, 290 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00648755 s, 162 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0036887 s, 284 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00503782 s, 208 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-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, 4.9284 s, 21.3 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, 4.87842 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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.445075 s, 37.7 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, 0.0409429 s, 25.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0318129 s, 33.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0905947 s, 11.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0825671 s, 12.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.116025 s, 9.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.088735 s, 11.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0971383 s, 10.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.11748 s, 8.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.119371 s, 8.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.127697 s, 8.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.107186 s, 9.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.120909 s, 8.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.143641 s, 7.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.136711 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.160398 s, 6.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.180052 s, 5.8 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, 0.0264267 s, 39.7 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, 0.0196516 s, 53.4 MB/s1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0244421 s, 42.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0222136 s, 47.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0152237 s, 68.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0194134 s, 54.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0233311 s, 44.9 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0254937 s, 41.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0197556 s, 53.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0266923 s, 39.3 MB/s1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0235291 s, 44.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0285537 s, 36.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0185341 s, 56.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.024151 s, 43.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00354982 s, 295 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00492171 s, 213 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-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, 9.78888 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, 9.73924 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 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, 4.94747 s, 21.2 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, 9.74104 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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.886517 s, 18.9 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, 0.0370325 s, 28.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0612069 s, 17.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0839013 s, 12.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0685294 s, 15.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0567654 s, 18.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0835946 s, 12.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0712615 s, 14.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0676406 s, 15.5 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, 0.116923 s, 9.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.117043 s, 9.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.132419 s, 7.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.136112 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.143902 s, 7.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.174353 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.171579 s, 6.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.15236 s, 6.9 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 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, 0.0208107 s, 50.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0103034 s, 102 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0138715 s, 75.6 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0158797 s, 66.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0163797 s, 64.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00844906 s, 124 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, 0.0179437 s, 58.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0160959 s, 65.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0214677 s, 48.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0216662 s, 48.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00421277 s, 249 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0221637 s, 47.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00682874 s, 154 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00486278 s, 216 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0255201 s, 41.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00219046 s, 479 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-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, 19.6962 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, 19.4394 s, 5.4 MB/s Read runtime is 21 s, speed is 4.761904 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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.27459 s, 61.1 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, 0.0433455 s, 24.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0402337 s, 26.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.114225 s, 9.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.126459 s, 8.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.16329 s, 6.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.143804 s, 7.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.157613 s, 6.7 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, 0.162664 s, 6.4 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.146686 s, 7.1 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, 0.147464 s, 7.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.150062 s, 7.0 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.15199 s, 6.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.16517 s, 6.3 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.168877 s, 6.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.186259 s, 5.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.172611 s, 6.1 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, 0.0206975 s, 50.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0262611 s, 39.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0302557 s, 34.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0282095 s, 37.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0306325 s, 34.2 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, 0.0278686 s, 37.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0254313 s, 41.2 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0388113 s, 27.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0342649 s, 30.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0186458 s, 56.2 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, 0.00940305 s, 112 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0453736 s, 23.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00891086 s, 118 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0086123 s, 122 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00474706 s, 221 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00684991 s, 153 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-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, 4.95637 s, 21.2 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, 9.73732 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_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_oleg111-client.virtnet] [bs=1M] [count=16] 16+0 records in 16+0 records out 16777216 bytes (17 MB, 16 MiB) copied, 0.499669 s, 33.6 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, 0.0479625 s, 21.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0364738 s, 28.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.141694 s, 7.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.136842 s, 7.7 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.153146 s, 6.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.161691 s, 6.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.15379 s, 6.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.150067 s, 7.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.192928 s, 5.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.171007 s, 6.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.188417 s, 5.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.174454 s, 6.0 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.191502 s, 5.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.21492 s, 4.9 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.200461 s, 5.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.192133 s, 5.5 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, 0.0207831 s, 50.5 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, 0.00952574 s, 110 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0100603 s, 104 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, 0.0174444 s, 60.1 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0234329 s, 44.7 MB/s 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0199407 s, 52.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0212202 s, 49.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0244993 s, 42.8 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0207313 s, 50.6 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0179581 s, 58.4 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0226993 s, 46.2 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227272 s, 46.1 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0207546 s, 50.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.025873 s, 40.5 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00419165 s, 250 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0036729 s, 285 MB/s removed '/mnt/lustre/d77k.sanityn/nrs_r_oleg111-client.virtnet' removed '/mnt/lustre/d77k.sanityn/nrs_w_oleg111-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, 9.80493 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, 9.74363 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, 9.78192 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, 9.73253 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_a ost.OSS.ost_io.nrs_tbf_rule=stop ext_b ost.OSS.ost_io.nrs_policies=fifo