Support Request Template
What version of phpBB are you using?
What is your board's URL? http://goldwingdocs.com/forum
Who do you host your board with?
How did you install your board?
I used the download package from phpBB.com
What is the most recent action performed on your board?
Update from a previous version of phpBB3
Is registration required to reproduce this issue?
Do you have any MODs installed?
Do you have any extensions installed?
What version of phpBB3 did you update from?
What styles do you currently have installed?
What language(s) is your board currently using?
Which database type/version are you using?
MS SQL Server
What is your level of experience?
Experienced with PHP and phpBB
What actions did you take (updating your board; installing a MOD, style or extension; etc.) prior to this problem becoming noticeable?
Please describe your problem.
Attachment downloads have become extremely slow. Only image attachments are permitted, and when the attachment is downloaded (i.e. file.php is called) the file is streamed out at a slow rate. For instance, I am seeing (at times) upwards of 3 seconds to transmit this 153K file:
http://goldwingdocs.com/forum/download/ ... &mode=view
The rest of the site is running quickly. The site is on a dedicated server, and the server is very powerful - CPU and disk is essentially idling while this file is being served up. Bandwidth available is >100Mbps. Direct links to image files download instantaneously.
It's only when files are served via file.php (and from there to send_file_to_browser() inside functions_download.php) that they are sent very slowly.
I tried increasing the chunk size inside send_file_to_browser() from 8192 to 65536, with no improvement.
This is running under IIS7.5 on Server 2008 R1.
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