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. >> >> >> > >> > >
