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Date: Thu, 5 Jan 2012 18:39:20 +0200
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Subject: Re: is it bad to have lots of column families?
From: =?KOI8-U?B?96bUwcymyiD0yc3eydvJzg==?= <tivv00@gmail.com>
To: user@cassandra.apache.org
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2012/1/5 Michael Cetrulo <mail2samus@gmail.com>

> in a traditional database it's not a good a idea to have hundreds of
> tables but is it also bad to have hundreds of column families in cassandra?
> thank you.
>

As far as I can see, this may raise memory requirements for you, since you
need to have index/bloom filter for each column family in memory.

-- 
Best regards,
 Vitalii Tymchyshyn

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<br><br><div class=3D"gmail_quote">2012/1/5 Michael Cetrulo <span dir=3D"lt=
r">&lt;<a href=3D"mailto:mail2samus@gmail.com">mail2samus@gmail.com</a>&gt;=
</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex">
in a traditional database it&#39;s not a good a idea to have hundreds of ta=
bles but is it also bad to have hundreds of column families in cassandra? t=
hank you.<br>
</blockquote></div><br>As far as I can see, this may raise memory requireme=
nts for you, since you need to have index/bloom filter for each column fami=
ly in memory.<br clear=3D"all"><div><br></div>-- <br>Best regards,<br>=A0Vi=
talii Tymchyshyn<br>


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