[sheepdog] [PATCH] test: Implentment fast random on AES

[Joseph Glanville]

Turns out this doesn't increase the test performance any as it is actually
I/O bound on my system.


On Mon, May 6, 2013 at 12:36 AM, Joseph Glanville
<joseph at cloudscaling.com>wrote:

> ---
>  tests/008        | 2 +-
>  tests/009        | 2 +-
>  tests/018        | 2 +-
>  tests/019        | 2 +-
>  tests/020        | 2 +-
>  tests/030        | 6 +++---
>  tests/035        | 2 +-
>  tests/049        | 2 +-
>  tests/055        | 6 +++---
>  tests/056        | 2 +-
>  tests/fastrandom | 2 ++
>  11 files changed, 16 insertions(+), 14 deletions(-)
>  create mode 100755 tests/fastrandom
>
> diff --git a/tests/008 b/tests/008
> index 1af5bcf..adec553 100755
> --- a/tests/008
> +++ b/tests/008
> @@ -33,7 +33,7 @@ for i in `seq 0 4`; do
>  done
>
>  for i in `seq 0 4`; do
> -    dd if=/dev/urandom | $COLLIE vdi write test$i -p 7000 &
> +    ./fastrandom | $COLLIE vdi write test$i -p 7000 &
>  done
>
>  sleep 3
> diff --git a/tests/009 b/tests/009
> index e139524..29dec5c 100755
> --- a/tests/009
> +++ b/tests/009
> @@ -31,7 +31,7 @@ $COLLIE vdi create test 80M -P
>  _kill_sheep 2
>
>  # write data to the vdi
> -cat /dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>
>  # restart the 3rd node
>  _start_sheep 2
> diff --git a/tests/018 b/tests/018
> index d8af69b..6f18516 100755
> --- a/tests/018
> +++ b/tests/018
> @@ -25,7 +25,7 @@ $COLLIE cluster format -c 2
>
>  $COLLIE vdi create test 4M
>
> -dd if=/dev/urandom | $COLLIE vdi write -w test
> +./fastrandom | $COLLIE vdi write -w test
>
>  $COLLIE vdi flush test
>
> diff --git a/tests/019 b/tests/019
> index 98fc2b8..78b91f9 100755
> --- a/tests/019
> +++ b/tests/019
> @@ -25,7 +25,7 @@ $COLLIE cluster format -c 2
>
>  $COLLIE vdi create test 4M
>
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>
>  for port in `seq 0 2`; do
>      $COLLIE vdi read test -p 700$port | md5sum > /tmp/csum.$port
> diff --git a/tests/020 b/tests/020
> index 6fe2e32..b6d00bc 100755
> --- a/tests/020
> +++ b/tests/020
> @@ -25,7 +25,7 @@ $COLLIE cluster format -c 2
>
>  $COLLIE vdi create test 40M
>
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>
>  # check cache size, should be 20 * 80%
>  nr=`ls $STORE/0/cache/7c2b25 | wc -l`
> diff --git a/tests/030 b/tests/030
> index 7c5ed98..f693183 100755
> --- a/tests/030
> +++ b/tests/030
> @@ -25,15 +25,15 @@ $COLLIE cluster format -c 2
>
>  $COLLIE vdi create test 8M
>
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>  $COLLIE cluster snapshot
>  $COLLIE vdi read test | md5sum > /tmp/csum.1
>
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>  $COLLIE cluster snapshot
>  $COLLIE vdi read test | md5sum > /tmp/csum.2
>
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>  $COLLIE cluster snapshot -l | _filter_date
>
>  $COLLIE cluster snapshot -R 2
> diff --git a/tests/035 b/tests/035
> index 5b948c9..0dee9ee 100755
> --- a/tests/035
> +++ b/tests/035
> @@ -35,7 +35,7 @@ _wait_for_sheep 6
>  $COLLIE cluster format -c 3 -m unsafe
>
>  $COLLIE vdi create test 40M
> -dd if=/dev/urandom | $COLLIE vdi write test &
> +./fastrandom | $COLLIE vdi write test &
>
>  sleep 3
>  # Test write timeout
> diff --git a/tests/049 b/tests/049
> index 1336b5f..e95f643 100755
> --- a/tests/049
> +++ b/tests/049
> @@ -25,7 +25,7 @@ $COLLIE cluster format -c 1
>  sleep 1
>
>  $COLLIE vdi create test 20M
> -dd if=/dev/urandom | $COLLIE vdi write -w test
> +./fastrandom | $COLLIE vdi write -w test
>
>  $COLLIE cluster shutdown
>  _wait_for_sheep_stop
> diff --git a/tests/055 b/tests/055
> index 6b99552..6959b89 100755
> --- a/tests/055
> +++ b/tests/055
> @@ -25,14 +25,14 @@ $COLLIE vdi create test 200M -P
>
>  # simulate one disk failure
>  rm $STORE/0/d0 -rf
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>  _wait_for_sheep_recovery 0
>  $COLLIE vdi check test
>  $COLLIE cluster info | _filter_cluster_info
>
>  # simulate multiple disk failure
>  rm $STORE/1/d0 -rf
> -dd if=/dev/urandom | $COLLIE vdi write test &
> +./fastrandom | $COLLIE vdi write test &
>  sleep 1
>  rm $STORE/1/d1 -rf
>  _wait_for_sheep_recovery 0
> @@ -42,7 +42,7 @@ $COLLIE cluster info | _filter_cluster_info
>
>  # simulate all disks failure
>  rm $STORE/1/d2 -rf
> -dd if=/dev/urandom | $COLLIE vdi write test
> +./fastrandom | $COLLIE vdi write test
>  $COLLIE vdi check test
>  $COLLIE cluster info | _filter_cluster_info
>
> diff --git a/tests/056 b/tests/056
> index 25dd22f..64b6398 100755
> --- a/tests/056
> +++ b/tests/056
> @@ -25,7 +25,7 @@ $COLLIE vdi create test 200M -P
>
>  # node event after disk failure
>  rm $STORE/0/d0 -rf
> -dd if=/dev/urandom | $COLLIE vdi write test &
> +./fastrandom | $COLLIE vdi write test &
>  sleep 1
>  _start_sheep 3
>  _wait_for_sheep 4
> diff --git a/tests/fastrandom b/tests/fastrandom
> new file mode 100755
> index 0000000..547ffff
> --- /dev/null
> +++ b/tests/fastrandom
> @@ -0,0 +1,2 @@
> +#!/bin/bash
> +openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1
> 2>/dev/null | base64)" -nosalt < /dev/zero | cat
> --
> 1.8.1.2
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.wpkg.org/pipermail/sheepdog/attachments/20130506/70cd64a8/attachment-0004.html>