[rt-users] Slow Excel Export Download

[Kevin Falcone]

On Thu, Mar 17, 2011 at 09:55:27AM +0200, ronald higgins wrote:
> I'm experiencing the most bizarre issue and hoping someone can shed
> light on the process that happens on the backend when someone exports
> to excel.
> Exporting and saving to disk the throughput from the RT server the
> download comes down in bits per second, download attachments or any
> other files off the server via HTTP and it's Mb/S ... Anyone seen this
> odd behaviour before? RT 3.8.7 on Centos/MySQL.

You're going to need to instrument to find out what is happening
(either at the database level or the MasonX::Profiler level).  3.8.7
contained a number of rewrites to make that code streamy rather than
generating the entire file before letting it be downloaded.  Although,
with 3.8.7 you almost certainly have the bug where the column headers
won't sort properly, so you may want to think about upgrading to fix
that.

-kevin
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