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<[email protected]> 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 <[email protected]> wrote: > >> oh,thanks, 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 <[email protected]> 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<[email protected]> 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 <[email protected]>: >>> >> 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. >>> >> >>> > >>> >> >> >
