<div dir="ltr">On Tue, Jun 25, 2013 at 11:13 AM, Marco Hugentobler <span dir="ltr"><<a href="mailto:marco.hugentobler@sourcepole.ch" target="_blank">marco.hugentobler@sourcepole.ch</a>></span> wrote:<br><div class="gmail_extra">
<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div><div class="im">>So is Stefan shares the data and
qgis project, can you share the load test itself? I imagine it's
some sort of jmeter thing?<br>
<br></div>
Yes, it is basically a copy of the foss4g benchmark jmeter file,
only with layers / styles replaced (and outputformat is png8).<br>
Sampling extents were generated with python script from foss4g
benchmark.</div></div></blockquote><div><br></div><div>Can you share it? Or, at least, can you share the command line used to generate it?</div><div>Seeing what kind of requests you made (zoom level and image size) is going to be interesting.</div>
<div><br></div><div>I understand the usage of png8 to some extent, however that really turns the benchmark into a png encoding contest,</div><div>unless rendering is very slow I'd estimate 50-70% of the time is spent building the palette and encoding the output</div>
<div>PNG (I took the FOSS4G 2010 benchmarks recently and made some optimization to GeoServer, now 75% of the</div><div>time is spent encoding the PNGs (plain ones, no png8) if I use the fastest PNG encoder available, and it gets</div>
<div>way worse if I leave it with the standard Java PNG encoder. Now... imagine adding on the fly palette computation</div><div>on top of that :-)</div><div><br></div><div>Cheers</div><div>Andrea</div><div> </div></div>-- <br>
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