btrfs_send_test_results

/dev/vda2 on / type btrfs (rw,noatime,compress-force=lzo,nossd,space_cache=v2,subvolid=257,subvol=/sys_root_current)
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Linux urbctest2020-1 5.5.0-rc5-cloud-amd64 #1 SMP Debian 5.5~rc5-1~exp1 (2020-01-06) x86_64 GNU/Linux
Delete subvolume (no-commit): '/root/test'
Create subvolume './test'
Delete subvolume (no-commit): '/root/test_ro'
Testing send without fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    0m5.025s
user    0m0.472s
sys     0m1.985s
Currently test/test.file has 13577 extents...
Currently test/test.file has 67506 extents...
test/test.file has 114231 extents.
Delete subvolume (no-commit): '/root/test_ro'
Testing send with fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    6m58.613s
user    0m0.474s
sys     4m34.318s


/dev/vda2 on / type btrfs (rw,noatime,nossd,space_cache=v2,subvolid=257,subvol=/sys_root_current)
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Linux urbctest2020-1 5.5.0-rc5-cloud-amd64 #1 SMP Debian 5.5~rc5-1~exp1 (2020-01-06) x86_64 GNU/Linux
Delete subvolume (no-commit): '/root/test'
Create subvolume './test'
Delete subvolume (no-commit): '/root/test_ro'
Testing send without fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    0m2.741s
user    0m0.450s
sys     0m1.666s
Currently test/test.file has 72 extents...
Currently test/test.file has 55385 extents...
test/test.file has 103676 extents.
Delete subvolume (no-commit): '/root/test_ro'
Testing send with fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    3m0.290s
user    0m0.469s
sys     2m18.179s

/dev/vda2 on / type btrfs (rw,noatime,compress-force=zstd:3,nossd,space_cache=v2,subvolid=257,subvol=/sys_root_current)
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Linux urbctest2020-1 5.5.0-rc5-cloud-amd64 #1 SMP Debian 5.5~rc5-1~exp1 (2020-01-06) x86_64 GNU/Linux
Delete subvolume (no-commit): '/root/test'
Create subvolume './test'
Delete subvolume (no-commit): '/root/test_ro'
Testing send without fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    0m10.182s
user    0m0.433s
sys     0m2.114s
Currently test/test.file has 13850 extents...
Currently test/test.file has 67438 extents...
test/test.file has 114167 extents.
Delete subvolume (no-commit): '/root/test_ro'
Testing send with fragmentation...
Create a readonly snapshot of 'test' in './test_ro'
At subvol test_ro

real    7m12.351s
user    0m0.438s
sys     4m32.961s