Re: [Pytables-users] Compression and Indexing in PyTables

[David R. <dav...@gm...>]

maybe I wasn't aware of this, but has PANDAS completely wrapped PyTables,
or is PyTables something I should still be using for storing and accessing
scientific data, and PANDAS has an access point to it?


On Sun, Jul 28, 2013 at 9:48 AM, Andreas Hilboll <li...@hi...> wrote:

> Hi David,
>
> Am 28.07.2013 15:24, schrieb David Reed:
> > Hi there,  I was wondering if there any nice tutorials that show the
> > different compression options such as zlib, bzo, etc. and how to
> > actually use them with my tables.
> >
> > There seems to be a lot of good information describing the performance
> > increase under the Optimization Tips section, but I don't see any clear
> > way of actually doing this.
> >
> > Maybe I'm missing something.
>
> Maybe you're missing this:
>
>    http://pandas.pydata.org/pandas-docs/stable/io.html#compression
>
> The HDFStore constructor has a "complib" kwarg which you can use to set
> the compression library. Also look at "complevel" to set the compression
> efficiency.
>
> -- Andreas.
>