New overlay driver storage analysis

overlay-output.txt

# ./testpartition.sh /dev/loop0 overlay
++ mktemp -d
+ tmpdir=/tmp/tmp.kwAmm1WgsH
+ mount /dev/loop0 /tmp/tmp.kwAmm1WgsH
+ df /tmp/tmp.kwAmm1WgsH
Filesystem     1K-blocks  Used Available Use% Mounted on
/dev/loop0      15579920 38984  14726460   1% /tmp/tmp.kwAmm1WgsH
+ df -i /tmp/tmp.kwAmm1WgsH
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424    11 999413    1% /tmp/tmp.kwAmm1WgsH
+ sleep 10
+ docker daemon -D -s overlay -g /tmp/tmp.kwAmm1WgsH
+ docker pull ubuntu
Using default tag: latest
latest: Pulling from library/ubuntu
6d28225f8d96: Pull complete 
166102ec41af: Pull complete 
d09bfba2bd6a: Pull complete 
c80dad39a6c0: Pull complete 
a3ed95caeb02: Pull complete 
Digest: sha256:5718d664299eb1db14d87db7bfa6945b28879a67b74f36da3e34f5914866b71c
Status: Downloaded newer image for ubuntu:latest
+ df /tmp/tmp.kwAmm1WgsH
Filesystem     1K-blocks   Used Available Use% Mounted on
/dev/loop0      15579920 186788  14578656   2% /tmp/tmp.kwAmm1WgsH
+ df -i /tmp/tmp.kwAmm1WgsH
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424 17545 981879    2% /tmp/tmp.kwAmm1WgsH
+ docker pull golang
Using default tag: latest
latest: Pulling from library/golang
8b87079b7a06: Pull complete 
a3ed95caeb02: Pull complete 
1bb8eaf3d643: Pull complete 
3e04171ce2e5: Pull complete 
9f9bcb469766: Pull complete 
70062a14b40c: Pull complete 
21c92d96cb05: Pull complete 
9fb07296d135: Pull complete 
Digest: sha256:ac856e0e50b686552d62249dfd98cb449ab8e38e5a167dd444194ae1e59d924c
Status: Downloaded newer image for golang:latest
+ df /tmp/tmp.kwAmm1WgsH
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0      15579920 1065428  13700016   8% /tmp/tmp.kwAmm1WgsH
+ df -i /tmp/tmp.kwAmm1WgsH
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424 92032 907392   10% /tmp/tmp.kwAmm1WgsH
+ docker pull wordpress
Using default tag: latest
latest: Pulling from library/wordpress
8b87079b7a06: Already exists 
a3ed95caeb02: Pull complete 
af1704cb90e1: Pull complete 
6acdef7ebe13: Pull complete 
4fc566a7c22a: Pull complete 
b06a1bacee51: Pull complete 
c5fc21fb6c09: Pull complete 
df319b61c869: Pull complete 
f958e5267409: Pull complete 
b06010f04fa8: Pull complete 
17c1b5f8acff: Pull complete 
2ed292d591c7: Pull complete 
5ea0585ac6f2: Pull complete 
f53bd0951968: Pull complete 
93949259a9c2: Pull complete 
33ea413bdf77: Pull complete 
8d937227258e: Pull complete 
f79a39a56bc2: Pull complete 
Digest: sha256:0ee9d65c19b39496363224c8b6ff0dc25dda8f71b8aabc24662a552e6ed0443d
Status: Downloaded newer image for wordpress:latest
+ df /tmp/tmp.kwAmm1WgsH
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0      15579920 1748224  13017220  12% /tmp/tmp.kwAmm1WgsH
+ df -i /tmp/tmp.kwAmm1WgsH
Filesystem     Inodes  IUsed  IFree IUse% Mounted on
/dev/loop0     999424 237641 761783   24% /tmp/tmp.kwAmm1WgsH
+ docker pull dockercore/docker
Using default tag: latest
latest: Pulling from dockercore/docker
8b87079b7a06: Already exists 
a3ed95caeb02: Already exists 
0c0fb1975f5f: Pull complete 
ff8d8c5faa3d: Pull complete 
ec2a986e30b5: Pull complete 
0338be69ec1f: Pull complete 
c112a23af8d1: Pull complete 
d9524b4363f0: Pull complete 
55dc1ccd0c94: Pull complete 
5cabc14c5b68: Pull complete 
52217305a219: Pull complete 
067349543543: Pull complete 
a5f067bd9e04: Pull complete 
37e71a0d361d: Pull complete 
ab5f18f2c8bb: Pull complete 
91188acae54d: Pull complete 
bd6fccd39e19: Pull complete 
fea6dcf13113: Pull complete 
8a46bb5b8421: Pull complete 
307dac139dae: Pull complete 
8ace9bf388c1: Pull complete 
2f9a0a69fdfc: Pull complete 
fe3caff7866b: Pull complete 
3d1c6097924d: Pull complete 
b2b80561e166: Pull complete 
8269cba6c331: Pull complete 
49e47d61188c: Pull complete 
e27704471197: Pull complete 
129c3d917335: Pull complete 
2ae2245bca21: Pull complete 
85c41bf7bb42: Pull complete 
adc271421271: Pull complete 
Digest: sha256:d452d5dca9e5c14738da5cc1735edb113781ceb5fa2a9ac074ac1f6f022232b4
Status: Downloaded newer image for dockercore/docker:latest
+ df /tmp/tmp.kwAmm1WgsH
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0      15579920 4960420   9805024  34% /tmp/tmp.kwAmm1WgsH
+ df -i /tmp/tmp.kwAmm1WgsH
Filesystem     Inodes  IUsed  IFree IUse% Mounted on
/dev/loop0     999424 698217 301207   70% /tmp/tmp.kwAmm1WgsH
++ cat /var/run/docker.pid
+ kill 13251
+ sleep 2
+ umount /tmp/tmp.kwAmm1WgsH
+ rmdir /tmp/tmp.kwAmm1WgsH

overlay2-output.txt

# ./testpartition.sh /dev/loop0 overlay2
++ mktemp -d
+ tmpdir=/tmp/tmp.3eYxlwOtdI
+ mount /dev/loop0 /tmp/tmp.3eYxlwOtdI
+ df /tmp/tmp.3eYxlwOtdI
Filesystem     1K-blocks  Used Available Use% Mounted on
/dev/loop0      15579920 38984  14726460   1% /tmp/tmp.3eYxlwOtdI
+ df -i /tmp/tmp.3eYxlwOtdI
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424    11 999413    1% /tmp/tmp.3eYxlwOtdI
+ sleep 10
+ docker daemon -D -s overlay2 -g /tmp/tmp.3eYxlwOtdI
+ docker pull ubuntu
Using default tag: latest
latest: Pulling from library/ubuntu
6d28225f8d96: Pull complete 
166102ec41af: Pull complete 
d09bfba2bd6a: Pull complete 
c80dad39a6c0: Pull complete 
a3ed95caeb02: Pull complete 
Digest: sha256:5718d664299eb1db14d87db7bfa6945b28879a67b74f36da3e34f5914866b71c
Status: Downloaded newer image for ubuntu:latest
+ df /tmp/tmp.3eYxlwOtdI
Filesystem     1K-blocks   Used Available Use% Mounted on
/dev/loop0      15579920 174684  14590760   2% /tmp/tmp.3eYxlwOtdI
+ df -i /tmp/tmp.3eYxlwOtdI
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424  8165 991259    1% /tmp/tmp.3eYxlwOtdI
+ docker pull golang
Using default tag: latest
latest: Pulling from library/golang
8b87079b7a06: Pull complete 
a3ed95caeb02: Pull complete 
1bb8eaf3d643: Pull complete 
3e04171ce2e5: Pull complete 
9f9bcb469766: Pull complete 
70062a14b40c: Pull complete 
21c92d96cb05: Pull complete 
9fb07296d135: Pull complete 
Digest: sha256:ac856e0e50b686552d62249dfd98cb449ab8e38e5a167dd444194ae1e59d924c
Status: Downloaded newer image for golang:latest
+ df /tmp/tmp.3eYxlwOtdI
Filesystem     1K-blocks   Used Available Use% Mounted on
/dev/loop0      15579920 962532  13802912   7% /tmp/tmp.3eYxlwOtdI
+ df -i /tmp/tmp.3eYxlwOtdI
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424 32960 966464    4% /tmp/tmp.3eYxlwOtdI
+ docker pull wordpress
Using default tag: latest
latest: Pulling from library/wordpress
8b87079b7a06: Already exists 
a3ed95caeb02: Pull complete 
af1704cb90e1: Pull complete 
6acdef7ebe13: Pull complete 
4fc566a7c22a: Pull complete 
b06a1bacee51: Pull complete 
c5fc21fb6c09: Pull complete 
df319b61c869: Pull complete 
f958e5267409: Pull complete 
b06010f04fa8: Pull complete 
17c1b5f8acff: Pull complete 
2ed292d591c7: Pull complete 
5ea0585ac6f2: Pull complete 
f53bd0951968: Pull complete 
93949259a9c2: Pull complete 
33ea413bdf77: Pull complete 
8d937227258e: Pull complete 
f79a39a56bc2: Pull complete 
Digest: sha256:0ee9d65c19b39496363224c8b6ff0dc25dda8f71b8aabc24662a552e6ed0443d
Status: Downloaded newer image for wordpress:latest
+ df /tmp/tmp.3eYxlwOtdI
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0      15579920 1425992  13339452  10% /tmp/tmp.3eYxlwOtdI
+ df -i /tmp/tmp.3eYxlwOtdI
Filesystem     Inodes IUsed  IFree IUse% Mounted on
/dev/loop0     999424 60744 938680    7% /tmp/tmp.3eYxlwOtdI
+ docker pull dockercore/docker
Using default tag: latest
latest: Pulling from dockercore/docker
8b87079b7a06: Already exists 
a3ed95caeb02: Already exists 
0c0fb1975f5f: Pull complete 
ff8d8c5faa3d: Pull complete 
ec2a986e30b5: Pull complete 
0338be69ec1f: Pull complete 
c112a23af8d1: Pull complete 
d9524b4363f0: Pull complete 
55dc1ccd0c94: Pull complete 
5cabc14c5b68: Pull complete 
52217305a219: Pull complete 
067349543543: Pull complete 
a5f067bd9e04: Pull complete 
37e71a0d361d: Pull complete 
ab5f18f2c8bb: Pull complete 
91188acae54d: Pull complete 
bd6fccd39e19: Pull complete 
fea6dcf13113: Pull complete 
8a46bb5b8421: Pull complete 
307dac139dae: Pull complete 
8ace9bf388c1: Pull complete 
2f9a0a69fdfc: Pull complete 
fe3caff7866b: Pull complete 
3d1c6097924d: Pull complete 
b2b80561e166: Pull complete 
8269cba6c331: Pull complete 
49e47d61188c: Pull complete 
e27704471197: Pull complete 
129c3d917335: Pull complete 
2ae2245bca21: Pull complete 
85c41bf7bb42: Pull complete 
adc271421271: Pull complete 
Digest: sha256:d452d5dca9e5c14738da5cc1735edb113781ceb5fa2a9ac074ac1f6f022232b4
Status: Downloaded newer image for dockercore/docker:latest
+ df /tmp/tmp.3eYxlwOtdI
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0      15579920 3962348  10803096  27% /tmp/tmp.3eYxlwOtdI
+ df -i /tmp/tmp.3eYxlwOtdI
Filesystem     Inodes  IUsed  IFree IUse% Mounted on
/dev/loop0     999424 137652 861772   14% /tmp/tmp.3eYxlwOtdI
++ cat /var/run/docker.pid
+ kill 17688
+ sleep 2
+ umount /tmp/tmp.3eYxlwOtdI
+ rmdir /tmp/tmp.3eYxlwOtdI

testpartition.sh

#!/bin/env sh

set -x

tmpdir=$(mktemp -d)

mount $1 $tmpdir

df $tmpdir
df -i $tmpdir

docker daemon -D -s $2 -g $tmpdir > /tmp/dockertestlog.txt 2>&1 &

sleep 10

docker pull ubuntu

df $tmpdir
df -i $tmpdir

docker pull golang

df $tmpdir
df -i $tmpdir

docker pull wordpress

df $tmpdir
df -i $tmpdir

docker pull dockercore/docker

df $tmpdir
df -i $tmpdir

kill $(cat /var/run/docker.pid)

sleep 2

umount $tmpdir

rmdir $tmpdir