[sheepdog-users] Testing snapshot-object-reclaim

[Valerio Pachera]

2014-03-19 12:08 GMT+01:00 Hitoshi Mitake <mitake.hitoshi at gmail.com>:
> Could you test the latest snapshot-object-reclaim branch? I believe
> the branch can reduce the amount of garbage even if it cannot solve
> the all problems.

Sheepdog daemon version 0.8.0_135_gbd7c3ea

root at test004:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag

root at test004:~# dog node info
Id      Size    Used    Avail   Use%
 0      233 GB  0.0 MB  233 GB    0%
 1      452 GB  0.0 MB  452 GB    0%
 2      500 GB  0.0 MB  500 GB    0%
Total   1.2 TB  0.0 MB  1.2 TB    0%
Total virtual image size        0.0 MB

root at test004:~# qemu-img convert -f qcow2
/mnt/big/vdi/wheezy_template_20130218.qcow2 sheepdog:test

root at test004:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
  test         0   10 GB  2.3 GB  0.0 MB 2014-03-19 15:08   7c2b25      2

root at test004:~# dog node info
Id      Size    Used    Avail   Use%
 0      233 GB  1.1 GB  232 GB    0%
 1      452 GB  1.9 GB  451 GB    0%
 2      500 GB  1.7 GB  498 GB    0%
Total   1.2 TB  4.7 GB  1.2 TB    0%
Total virtual image size        10 GB


root at test006:~# dog vdi snapshot test
root at test006:~# dog vdi snapshot test
root at test006:~# dog vdi snapshot test
root at test006:~# dog vdi snapshot test
root at test006:~# dog vdi snapshot test

root at test006:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
s test         1   10 GB  2.3 GB  0.0 MB 2014-03-19 15:08   7c2b25      2
s test         2   10 GB  5.9 GB  312 MB 2014-03-19 15:11   7c2b26      2
s test         3   10 GB  0.0 MB  6.2 GB 2014-03-19 15:16   7c2b27      2
s test         4   10 GB  5.9 GB  312 MB 2014-03-19 15:16   7c2b28      2
s test         5   10 GB  0.0 MB  6.2 GB 2014-03-19 15:24   7c2b29      2
  test         0   10 GB   80 MB  6.1 GB 2014-03-19 15:24   7c2b2a      2

root at test006:~# dog node info
Id      Size    Used    Avail   Use%
 0      233 GB  6.5 GB  226 GB    2%
 1      452 GB  11 GB   441 GB    2%
 2      500 GB  11 GB   489 GB    2%
Total   1.2 TB  29 GB   1.1 TB    2%
Total virtual image size        10 GB

root at test006:~# time for n in $(seq 1 5); do dog vdi delete -s $n test; done

real    5m58.637s
user    0m0.000s
sys     0m0.000s

root at test006:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
  test         0   10 GB   80 MB  6.1 GB 2014-03-19 15:24   7c2b2a      2

root at test006:~# node node info
-bash: node: command not found

root at test006:~# dog node info
Id      Size    Used    Avail   Use%
 0      233 GB  2.9 GB  230 GB    1%
 1      452 GB  5.2 GB  447 GB    1%
 2      500 GB  5.0 GB  495 GB    0%
Total   1.2 TB  13 GB   1.1 TB    1%
Total virtual image size        10 GB

root at test006:~# dog vdi delete test

root at test006:~# dog vdi list
  Name        Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag

root at test006:~# dog node info
Id      Size    Used    Avail   Use%
 0      233 GB  556 MB  232 GB    0%
 1      452 GB  909 MB  452 GB    0%
 2      500 GB  721 MB  499 GB    0%
Total   1.2 TB  2.1 GB  1.2 TB    0%
Total virtual image size        0.0 MB