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sr #109282: Use posix_fadvise to improve archive creation performance

Submitter:  None
Submitted:  Sat 25 Mar 2017 05:46:40 AM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  2 - Minor Status:  None
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  GNU/Linux
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Sat 25 Mar 2017 05:46:40 AM UTC, original submission:  

I have a patch that improves archive creation performance at least in certain configurations (ubuntu x64, virtualized infrastructure, SAN storage) by using posix_fadvise to signal the intent to sequentially read the whole file.

On my macbook posix_fadvise is not available so this patch silently reverts to a noop.

I can't find contribution guidelines on the website, so I'm sending the patch using this form.

Anonymous

 

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Attached Files
file #40123:  0001-use-posix_fadvise-to-prefetch-files-when-creating-ar.patch added by None (2KiB - application/octet-stream - patch)

 

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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2017-03-25 None Attached File- Added 0001-use-posix_fadvise-to-prefetch-files-when-creating-ar.patch, #40123

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