== conf-sanity test 72: test fast symlink with extents flag enabled ========================================================== 10:27:46 (1773239266) umount lustre on /mnt/lustre..... stop ost1 service on oleg311-server stop mds service on oleg311-server /home/green/git/lustre-release/lustre/scripts/lustre_rmmod: line 114: echo: write error: Device or resource busy LNET unconfigure error 22: Invalid argument /home/green/git/lustre-release/lustre/scripts/lustre_rmmod: line 156: echo: write error: Device or resource busy unloading modules via unload_modules_local on: 'oleg311-server' oleg311-server: oleg311-server.virtnet: executing unload_modules_local oleg311-server: /home/green/git/lustre-release/lustre/scripts/lustre_rmmod: line 114: echo: write error: Device or resource busy oleg311-server: LNET unconfigure error 22: Invalid argument oleg311-server: /home/green/git/lustre-release/lustre/scripts/lustre_rmmod: line 156: echo: write error: Device or resource busy modules unloaded. /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1030: echo: write error: Device or resource busy /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1031: echo: write error: Device or resource busy Loading modules from /home/green/git/lustre-release/lustre detected 4 online CPUs by sysfs MODOPTS_LIBCFS= Force libcfs to create 2 CPU partitions ../libcfs/libcfs/libcfs options: 'cpu_npartitions=2' ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' quota/lquota options: 'hash_lqs_cur_bits=3' ln: failed to create symbolic link '/sbin/.libs': Read-only file system loading modules on: 'oleg311-server' oleg311-server: oleg311-server.virtnet: executing load_modules_local oleg311-server: Loading modules from /home/green/git/lustre-release/lustre oleg311-server: /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1030: echo: write error: Device or resource busy oleg311-server: /home/green/git/lustre-release/lustre/tests/test-framework.sh: line 1031: echo: write error: Device or resource busy oleg311-server: detected 4 online CPUs by sysfs oleg311-server: MODOPTS_LIBCFS= oleg311-server: Force libcfs to create 2 CPU partitions oleg311-server: ptlrpc/ptlrpc options: 'lbug_on_grant_miscount=1' oleg311-server: quota/lquota options: 'hash_lqs_cur_bits=3' Permanent disk data: Target: lustre:MDT0000 Index: 0 Lustre FS: lustre Mount type: ldiskfs Flags: 0x65 (MDT MGS first_time update ) Persistent mount opts: user_xattr,errors=remount-ro Parameters: sys.timeout=20 mdt.identity_upcall=/home/green/git/lustre-release/lustre/utils/l_getidentity device size = 2500MB formatting backing filesystem ldiskfs on /dev/mapper/mds1_flakey target name lustre:MDT0000 kilobytes 200000 options -b 4096 -I 1024 -i 2560 -q -O uninit_bg,extents,dirdata,dir_nlink,quota,project,huge_file,ea_inode,large_dir,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0000 -b 4096 -I 1024 -i 2560 -q -O uninit_bg,extents,dirdata,dir_nlink,quota,project,huge_file,ea_inode,large_dir,^fast_commit,flex_bg -E lazy_itable_init,lazy_journal_init,packed_meta_blocks -F /dev/mapper/mds1_flakey 200000k Writing CONFIGS/mountdata tune2fs 1.47.3-wc2 (11-Nov-2025) Permanent disk data: Target: lustre:OST0000 Index: 0 Lustre FS: lustre Mount type: ldiskfs Flags: 0x62 (OST first_time update ) Persistent mount opts: ,errors=remount-ro Parameters: mgsnode=192.168.203.111@tcp sys.timeout=20 device size = 4096MB formatting backing filesystem ldiskfs on /dev/mapper/ost1_flakey target name lustre:OST0000 kilobytes 200000 options -b 4096 -I 512 -q -O uninit_bg,extents,dir_nlink,quota,project,huge_file,large_dir,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init,packed_meta_blocks -F mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0000 -b 4096 -I 512 -q -O uninit_bg,extents,dir_nlink,quota,project,huge_file,large_dir,^fast_commit,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init,packed_meta_blocks -F /dev/mapper/ost1_flakey 200000k Writing CONFIGS/mountdata start mds service on oleg311-server Start mds1: mount -t lustre -o localrecov /dev/mapper/mds1_flakey /mnt/lustre-mds1 oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 Commit the device label on /dev/mapper/mds1_flakey Started lustre-MDT0000 oleg311-client.virtnet: executing wait_import_state_mount FULL mdc.lustre-MDT0000-mdc-*.mds_server_uuid start ost1 service on oleg311-server Start ost1: mount -t lustre -o localrecov /dev/mapper/ost1_flakey /mnt/lustre-ost1 seq.cli-lustre-OST0000-super.width=65536 oleg311-server: oleg311-server.virtnet: executing set_default_debug -1 all pdsh@oleg311-client: oleg311-server: ssh exited with exit code 1 Commit the device label on /dev/mapper/ost1_flakey Started lustre-OST0000 oleg311-client.virtnet: executing wait_import_state_mount (FULL|IDLE) osc.lustre-OST0000-osc-[-0-9a-f]*.ost_server_uuid mount lustre on /mnt/lustre..... Starting client: oleg311-client.virtnet: -o user_xattr,flock 192.168.203.111@tcp:/lustre /mnt/lustre total: 3 open/close in 0.02 seconds: 138.75 ops/second create 3 short symlinks total 8 drwxr-xr-x 4 root root 4096 Mar 11 10:28 . drwxr-xr-x 4 root root 0 Mar 11 09:45 .. drwxr-xr-x 2 root root 4096 Mar 11 10:28 d72.conf-sanity lrwxrwxrwx 1 root root 45 Mar 11 10:28 f72.conf-sanity-1 -> /mnt/lustre/d72.conf-sanity/f72.conf-sanity-1 lrwxrwxrwx 1 root root 45 Mar 11 10:28 f72.conf-sanity-2 -> /mnt/lustre/d72.conf-sanity/f72.conf-sanity-2 lrwxrwxrwx 1 root root 45 Mar 11 10:28 f72.conf-sanity-3 -> /mnt/lustre/d72.conf-sanity/f72.conf-sanity-3 umount lustre on /mnt/lustre..... Stopping client oleg311-client.virtnet /mnt/lustre (opts:) stop mds service on oleg311-server Stopping /mnt/lustre-mds1 (opts:-f) on oleg311-server stop ost1 service on oleg311-server Stopping /mnt/lustre-ost1 (opts:-f) on oleg311-server e2fsck -d -v -t -t -f -n /dev/mapper/mds1_flakey -m8 oleg311-server: e2fsck 1.47.3-wc2 (11-Nov-2025) oleg311-server: Use max possible thread num: 1 instead Pass 1: Checking inodes, blocks, and sizes [Thread 0] Scan group range [0, 2], used inodes 278/79992 [Thread 0] jumping to group 0 [Thread 0] e2fsck_pass1_run:2316: increase inode 7 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 81 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 82 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 82 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 83 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 84 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 88 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 88 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 89 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 90 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 91 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 92 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 93 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 93 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 94 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 94 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 95 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 95 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 96 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 96 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 97 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 97 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 98 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 98 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 99 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 100 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 100 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 101 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 101 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 102 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 102 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 103 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 103 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 104 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 104 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 105 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 105 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 106 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 106 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 107 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 107 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 108 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 108 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 109 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 109 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 110 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 110 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 111 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 111 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 112 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 113 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 118 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 118 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 119 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 120 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 120 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 121 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 121 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 122 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 122 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 123 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 123 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 124 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 124 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 125 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 125 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 126 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 126 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 127 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 127 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 128 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 128 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 129 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 129 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 130 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 130 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 131 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 131 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 132 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 132 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 133 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 133 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 134 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 134 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 135 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 135 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 136 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 136 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 137 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 138 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 138 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 139 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 139 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 140 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 140 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 141 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 141 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 142 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 142 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 143 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 143 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 144 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 144 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 145 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 145 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 146 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 146 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 147 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 147 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 148 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 148 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 149 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 149 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 150 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 150 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 151 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 151 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 152 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 152 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 153 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 153 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 155 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 156 badness 0 to 2 for 10084 [Thread 0] e2fsck_pass1_run:2680: increase inode 157 badness 0 to 2 for 10084 [Thread 0] group 0 finished [Thread 0] e2fsck_pass1_run:2316: increase inode 26697 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 26697 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 26724 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 26724 badness 1 to 3 for 10084 [Thread 0] group 1 finished [Thread 0] e2fsck_pass1_run:2316: increase inode 53372 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53372 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53373 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53373 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53374 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53374 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53375 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53375 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53376 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53376 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53377 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2316: increase inode 53378 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53378 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53379 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53379 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53380 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53380 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53381 badness 0 to 1 for 1005c [Thread 0] e2fsck_pass1_run:2680: increase inode 53381 badness 1 to 3 for 10084 [Thread 0] e2fsck_pass1_run:2316: increase inode 53382 badness 0 to 1 for 1005c [Thread 0] group 2 finished [Thread 0] Pass 1: Memory used: 280k/0k (155k/126k), time: 0.00/ 0.00/ 0.00 [Thread 0] Pass 1: I/O read: 1MB, write: 0MB, rate: 429.00MB/s [Thread 0] Scanned group range [0, 2], used inodes 278/279 Pass 2: Checking directory structure Pass 2: Memory used: 280k/0k (106k/175k), time: 0.00/ 0.00/ 0.00 Pass 2: I/O read: 1MB, write: 0MB, rate: 266.52MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 280k/0k (106k/175k), time: 0.01/ 0.01/ 0.00 Pass 3: Memory used: 280k/0k (105k/176k), time: 0.00/ 0.00/ 0.00 Pass 3: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 4: Checking reference counts Pass 4: Memory used: 280k/0k (77k/203k), time: 0.00/ 0.00/ 0.00 Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 5: Checking group summary information Pass 5: Memory used: 388k/0k (77k/312k), time: 0.00/ 0.00/ 0.00 Pass 5: I/O read: 1MB, write: 0MB, rate: 319.80MB/s 278 inodes used (0.35%, out of 79992) 2 non-contiguous files (0.7%) 0 non-contiguous directories (0.0%) # of inodes with ind/dind/tind blocks: 0/0/0 Extent depth histogram: 202 24537 blocks used (49.07%, out of 50000) 0 bad blocks 1 large file 147 regular files 118 directories 0 character device files 0 block device files 0 fifos 0 links 3 symbolic links (3 fast symbolic links) 0 sockets ------------ 268 files Memory used: 388k/0k (80k/309k), time: 0.02/ 0.01/ 0.00 I/O read: 1MB, write: 0MB, rate: 61.11MB/s