# question about unclassified

**URL:** <https://forum.biobakery.org/t/question-about-unclassified/329>\
**Category:** MetaPhlAn\
**Created:** [April 8, 2020, 6:40pm UTC](https://forum.biobakery.org/t/question-about-unclassified/329 "2020-04-08T18:40:46Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![fbeghini](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/fbeghini/32/81_2.png) [@fbeghini](https://forum.biobakery.org/u/fbeghini)\
**Post date:** [July 23, 2020, 8:46am UTC](https://forum.biobakery.org/t/question-about-unclassified/329/13 "2020-07-23T08:46:41Z")

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> [@marilyne](#):
>
> what is the last version of metaphlan3 and the last version of the databases ?

The latest version available is 3.0.1, you can check for new releases [here]([Package Recipe 'metaphlan' — Bioconda documentation](https://bioconda.github.io/recipes/metaphlan/README.html), the latest database is v30.

> [@marilyne](#):
>
> how much memory should I request ?

To answer this, you should manually check how much memory uses to profile one of the metagenomes, more or less it should not require more than 6GB.

> [@marilyne](#):
>
> what does it mean ‘additional\_species’ is it all possible subspecies ?

See this [Unexpected output (format) - #2 by fbeghini](https://forum.biobakery.org/t/unexpected-output-format/658/2)

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