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https://issues.apache.org/jira/browse/CLOUDSTACK-9423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15357530#comment-15357530
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ASF GitHub Bot commented on CLOUDSTACK-9423:
--------------------------------------------
GitHub user syed reopened a pull request:
https://github.com/apache/cloudstack/pull/1598
[CLOUDSTACK-9423] Add ability to get virtual size of compressed VHDs
With object store like Swift as secondary storage, if a compressed VHD is
uploaded as a template, the `VHDProcessor` incorrectly calculates the virutal
size leading to the template being useless. This fix tries to guess the virtual
size by partially decompressing it and falls back to a sensible default which
is the size of the file.
Before the fix: template.properties on Swift
```
uniquename=routing-1
filename=routing-1.vhd
size=263417314
virtualsize=2894447637315205059
```
After the fix
```
uniquename=routing-1
filename=routing-1.vhd
size=263417314
virtualsize=3145728000
```
Look at the `virutalsize` in both cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/syed/cloudstack vhd-compressed-size
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cloudstack/pull/1598.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1598
----
commit b0247b53f99ff97fd05d4d8528115ed6e7d497c0
Author: Syed <syed1.mush...@gmail.com>
Date: 2016-06-27T20:11:14Z
[CLOUDSTACK-9423] Add ability to get virtual size of compressed VHDs
----
> Object storage should get the correct size for compressed templates
> -------------------------------------------------------------------
>
> Key: CLOUDSTACK-9423
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9423
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: syed ahmed
> Labels: secondary_storage, swift, template
>
> When uploading templates to an object store like Swift, if the template is
> compressed, we get an invalid size (negative). This fix tries to see if the
> template is compressed, if so, gets the correct size by partially
> decompressing the VHD header.
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