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HBase >> mail # user >> RowKey design with hashing


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Nurettin Şimşek 2013-02-13, 08:35
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lars hofhansl 2013-02-14, 00:50
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Re: RowKey design with hashing
Hi Lars,

Can you please tell more about key prefix block encoding? Or refer to
some blog/doc? How it works, what it is, etc.?

Thanks,

JM

2013/2/13, lars hofhansl <[EMAIL PROTECTED]>:
> Depends on you search pattern.
> If you never care about scans ordering i.e. you only do point gets to see
> whether you've already seen an email address, do the hash part.
>
> I'd perfer #1 over #2, because it would let you do efficient key prefix
> block encoding (FAST_DIFF).
>
> -- Lars
>
>
>
> ________________________________
>  From: Nurettin Şimşek <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Sent: Wednesday, February 13, 2013 12:35 AM
> Subject: RowKey design with hashing
>
> Hi All,
>
> In our project mail adresses are row key. Which rowkey design  we should
> choose?
>
> 1) com.yahoo@xxxx (Reversed)
> 2) [EMAIL PROTECTED]
> 3) md5 hash([EMAIL PROTECTED])
> 4) Any other solution.
>
> Many thanks.
>
> --
> M. Nurettin ŞİMŞEK
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Ted Yu 2013-02-14, 03:18
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Mehmet Simsek 2013-02-14, 03:41
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Ted Yu 2013-02-14, 03:58
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Jean-Marc Spaggiari 2013-02-25, 02:25
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Alexander Ignatov 2013-02-13, 08:40
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Amit Sela 2013-02-13, 09:01
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Nurettin Şimşek 2013-02-13, 09:42
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Jean-Marc Spaggiari 2013-02-13, 12:06
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Nurettin Şimşek 2013-02-13, 20:03