Thanks all, that helps. Will start with one - two CFs and let you know the effect
*Tamar Fraenkel * Senior Software Engineer, TOK Media [image: Inline image 1] [email protected] Tel: +972 2 6409736 Mob: +972 54 8356490 Fax: +972 2 5612956 On Sun, Sep 23, 2012 at 8:21 PM, Hiller, Dean <[email protected]> wrote: > As well as your unlimited column names may all have the same prefix, > right? Like "accounts".rowkey56, "accounts".rowkey78, etc. etc. so the > "accounts gets a ton of compression then. > > Later, > Dean > > From: Tyler Hobbs <[email protected]<mailto:[email protected]>> > Reply-To: "[email protected]<mailto:[email protected]>" < > [email protected]<mailto:[email protected]>> > Date: Sunday, September 23, 2012 11:46 AM > To: "[email protected]<mailto:[email protected]>" < > [email protected]<mailto:[email protected]>> > Subject: Re: compression > > column metadata, you're still likely to get a reasonable amount of > compression. This is especially true if there is some amount of repetition > in the column names, values, or TTLs in wide rows. Compression will almost > always be beneficial unless you're already somehow CPU bound or are using > large column values that are high in entropy, such as pre-compressed or > encrypted data. >
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