Yeah, it was intentional to avoid browser crashes years ago with very large tables.  50 was somewhat arbitrarily chosen, at the time.  We could make this configurable for galaxy instances and/or increase it outright.  Here's the logic in question, if you wanted to tinker with it:

On Fri, Jun 1, 2018 at 10:04 AM Matthias Bernt <> wrote:
Dear Dannon,

its 59 columns :( the last columns are only sometimes 0.

Is there a performance issue when rendering html tables with a larger
number of columns?

What would be the Galaxy way to handle data with a larger number of

I agree that the scidx problem is unrelated. Might be worth to open an


On 01.06.2018 15:44, Dannon Baker wrote:
> I'm not familiar with MetaProSIP, but how many columns *should* be in
> the output?  Galaxy automatically displays tabular data with more than
> 50 columns in the 'raw' view you're seeing here, instead of using a
> table.  The last bit of data in particular, when looking at the sample,
> is a ton of `0` columns.  Is that correct?
> One more possible issue is that this is sniffed as a `scidx` file, for
> me, though that's unrelated to the display problem here.
> -Dannon
> On Fri, Jun 1, 2018 at 9:03 AM Matthias Bernt <
> <>> wrote:
>     Dear list,
>     I'm struggling with tabular data in Galaxy. Attached is a tab separated
>     file that is generated by MetaProSIP (an updated - not yet committed --
>     version).
>     The problem is that it is not shown as table in Galaxy (dev) at all.
>     Also the peek preview is odd, some values of the header and data are
>     omitted.
>     Is this a bug in Galaxy, or of the data in the table?
>     Cheers,
>     Matthias
>     --
>     -------------------------------------------
>     Matthias Bernt
>     Bioinformatics Service
>     Molekulare Systembiologie (MOLSYB)
>     Helmholtz-Zentrum für Umweltforschung GmbH - UFZ/
>     Helmholtz Centre for Environmental Research GmbH - UFZ
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>     Phone +49 341 235 482296,
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Matthias Bernt
Bioinformatics Service
Molekulare Systembiologie (MOLSYB)
Helmholtz-Zentrum für Umweltforschung GmbH - UFZ/
Helmholtz Centre for Environmental Research GmbH - UFZ
Permoserstraße 15, 04318 Leipzig, Germany
Phone +49 341 235 482296,,

Sitz der Gesellschaft/Registered Office: Leipzig
Registergericht/Registration Office: Amtsgericht Leipzig
Handelsregister Nr./Trade Register Nr.: B 4703
Vorsitzender des Aufsichtsrats/Chairman of the Supervisory Board:
MinDirig Wilfried Kraus
Wissenschaftlicher Geschäftsführer/Scientific Managing Director:
Prof. Dr. Dr. h.c. Georg Teutsch
Administrative Geschäftsführerin/ Administrative Managing Director:
Prof. Dr. Heike Graßmann