Re: [cross-project-issues-dev] Hudson sluggishness

[Nicolas Bros <nbros@xxxxxxxxxxxxxxxx>]

> The reason why Hudson is dead slow is someone is trying  to download entire artifacts via HTTP

Sorry, I did try to download a 1GiB workspace through http to analyze its disk usage locally.

I discovered yesterday that Hudson became very slow after I canceled that download. I made a bug for this:

Bug 371581 - Hudson becomes unresponsive after aborted workspace download

If any one wants to get artifacts ask them to get it directly from the disk

I believe it is not currently possible to access the workspace contents directly, because the files are physically located on slaves whose filesystem is not accessible when logged to build.eclipse.org.

On Thu, Feb 16, 2012 at 4:21 PM, Webmaster(Matt Ward) <webmaster@xxxxxxxxxxx> wrote:

Hi Folks,

 I just wanted to share a comment with you from the Hudson team based on their investigation yesterday of the poor Hudson performance:

>The reason why Hudson is dead slow is someone is trying  to download entire artifacts via HTTP (either via wget or curl).  Winstone container is working hard to satisfy the request and on the process it has created 363 handling threads. See below. >Winstone container is not meant for such kind of handling. If any one wants to get artifacts ask them to get it directly from the disk, not via HTTP request to Hudson like this other wise it will kill the container

So if you could take a look at your jobs(I understand it might be next week sometime) and make sure you're only using HTTP(to fetch Hudson objects) if it's really needed that would be great.

Now, we are planning to move to Jetty so hopefully that will alleviate some of this.  However it got Denis and I wondering if any of you with access to a large Hudson deployment could tell us what container software it's using.

-Matt.

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