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HBase, mail # user - Using separator/delimiter in HBase rowkey?


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Jason Huang 2013-07-08, 14:19
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Shahab Yunus 2013-07-08, 15:17
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Mike Axiak 2013-07-08, 15:14
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Michael Segel 2013-07-08, 15:29
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Ted Yu 2013-07-08, 15:40
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Mike Axiak 2013-07-08, 15:36
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Michael Segel 2013-07-08, 15:54
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Mike Axiak 2013-07-08, 16:00
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Michael Segel 2013-07-08, 16:25
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Re: Using separator/delimiter in HBase rowkey?
Jason Huang 2013-07-09, 01:09
thanks for all these valuable comments.

Jason

On Mon, Jul 8, 2013 at 12:25 PM, Michael Segel <[EMAIL PROTECTED]>wrote:

> Where is murmur?
>
> In your app?
> So then every app that wants to fetch that row must now use murmur.
>
> Added to Hadoop/HBase?
> Then when you do upgrades you have to make sure that the package is still
> in your class path. Note that different vendor's release management will
> mean YMMV as to what happens to your class paths and set up or if the jar
> gets blown out of the directory.
>
>
> Is the added cost in maintenance worth it?
>
> I don't know but I seriously doubt it.
>
>
> On Jul 8, 2013, at 11:00 AM, Mike Axiak <[EMAIL PROTECTED]> wrote:
>
> > I just don't understand.. every creation/interpretation of the key is
> > going to require code to be used. The murmur implementation is with
> > that code. How is there any extra burden?
> >
> > On Mon, Jul 8, 2013 at 11:54 AM, Michael Segel
> > <[EMAIL PROTECTED]> wrote:
> >> You will need to put the jar into either every app that runs, or you
> will need to put it on every node. Every upgrade, you will need to make
> sure its still in your class path.
> >>
> >> More work for the admins. So how much faster is it over MD5? MD5 and
> SHA-1 are part of the Java libraries that ship w Sun/Oracle so you have
> them already installed and in your class path.
> >>
> >> Just saying... ;-)
> >>
> >> On Jul 8, 2013, at 10:36 AM, Mike Axiak <[EMAIL PROTECTED]> wrote:
> >>
> >>> On Mon, Jul 8, 2013 at 11:29 AM, Michael Segel
> >>> <[EMAIL PROTECTED]> wrote:
> >>>> If not, you end up having to do a bit more maintenance of your
> cluster and that's going to be part of your tradeoff.
> >>>
> >>> How so?
> >>>
> >>> -Mike
> >>>
> >>
> >
>
>
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Ted Yu 2013-07-08, 15:58