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From Rocks <nutchmaill...@gmail.com>
Subject Re: Hi,can hbase store picture and video such as blob field ? Any other simply question.
Date Tue, 11 Aug 2009 14:32:15 GMT
OK,thanks, i find it with your help.
On Tue, Aug 11, 2009 at 10:05 AM, tim robertson
<timrobertson100@gmail.com>wrote:

> Depends where you configured it to go.  For me it is in /hbase
>
> I think you might need a / at the end of your ls to see the root of
> hdfs and not the user account:
> bin/hadoop dfs -ls /
>
> Cheers
>
> Tim
>
>
>
> On Tue, Aug 11, 2009 at 4:02 AM, Rocks<nutchmaillist@gmail.com> wrote:
> > And i am still puzzled with the simple question, where is my hbase
> storage
> > file in my HDFS ?In the command "bin/hadoop dfs -ls" , i cannot see
> anything
> > related to hbase file.
> >
> > can anyone give me a answer?
> >
> > On Tue, Aug 11, 2009 at 9:20 AM, Rocks <nutchmaillist@gmail.com> wrote:
> >
> >> oh´╝îthanks, can you give me a CDNS tools or tutorial to solve the
> metioned
> >> problem?
> >>
> >>
> >>
> >> On Tue, Aug 11, 2009 at 4:20 AM, Ryan Rawson <ryanobjc@gmail.com>
> wrote:
> >>
> >>> HBase can help one overcome the 'small file' problem of HDFS.  But
> >>> HBase may not be the best methodology once files get beyond a certain
> >>> size (that size might be in the 10mb+ area).  However that is no
> >>> longer 'small files' and HDFS would be suitable again.
> >>>
> >>> Another aspect to consider is that access for a single row is mediated
> >>> by a single regionserver, which means if you have extremely high load
> >>> on only a few rows, you might not achieve scalability.  Caching layers
> >>> (reverse proxies, cdns) can help solve this. But if you are looking at
> >>> a high volume, high performance download server that can handle
> >>> millions of clients asking for the same object, you might need to
> >>> think a bit more.
> >>>
> >>> -ryan
> >>>
> >>> On Mon, Aug 10, 2009 at 1:13 PM, Tim Sell<trsell@gmail.com> wrote:
> >>> > Yes you can store binary data in hbase, all data in hbase is treated
> >>> > as just raw bytes.
> >>> > It would probably suit well things like thumbnails? I think youtube
> >>> > uses bigtable for the thumbnail images of their videos. And they
> store
> >>> > their actual videos in cdn's (and gfs for the longtail I guess).
> >>> >
> >>> > So if you have a lot of large binaries, you'll probably want just the
> >>> > links in hbase, with the files elsewhere. Maybe mogilefs is more
> >>> > suitable then hdfs though, because hdfs doesn't like lots of "small"
> >>> > files?
> >>> >
> >>> > ~Tim.
> >>> >
> >>> >
> >>> > 2009/8/10 Rocks <nutchmaillist@gmail.com>:
> >>> >> Hi,i want to konw whether hbase can store picture  and video as
blob
> >>> field?
> >>> >> Maybe I  should store the picture path in it ,and point to the
pic
> or
> >>> video
> >>> >> in file system?
> >>> >> but how to store the pic and video ,how to define the path pointed
> to
> >>> the
> >>> >> file system in top of hadoop? Can anyone give me some suggestion?
> >>> >> And  i am still uncertain where is my hbase storage file in my
HDFS
> ?In
> >>> the
> >>> >> command "bin/hadoop dfs -ls" , i cannot see anything related to
> hbase
> >>> file.
> >>> >> It will be greatly appreciated if you give me some hlep.
> >>> >>
> >>> >
> >>>
> >>
> >>
> >
>

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