hadoop dfs -dus /hbase *Thanks & Regards *
∞ Shashwat Shriparv On Fri, Jul 5, 2013 at 4:54 PM, Amit Mor <[email protected]> wrote: > From hadooo shell man > > "DU > Usage: hadoop fs -du URI [URI …] > > Displays aggregate length of files contained in the directory or the length > of a file in case its just a file. Example: hadoop fs -du /user/hadoop/dir1 > /user/hadoop/file1 hdfs://nn.example.com/user/hadoop/dir1 Exit Code: > Returns 0 on success and -1 on error. > > dus Usage: hadoop fs -dus <args> > > Displays a summary of file lengths." > > You just have to supply your hbase' hdfs path > On Jul 5, 2013 6:55 AM, "Bikash Agrawal" <[email protected]> wrote: > > > Hi , > > > > Need to calculate data size in HBase. I can do it by using KV length. But > > it is time consuming with huge data block. > > HFile looks better solution but still I have question with HFile, HFile > > will give size of data block. What if I have limit in scan[ ] object > start > > row and end row. And those range can be some where in two different > HFile. > > To calculate exact size I need to use loop, which is again inefficient. > > Actually, I am trying to run map reduce using HBase as source. I need to > > know what is data size. I am trying to do some performance evaluation. > > Still I can do some approximation calculation, looking at map-reduce > input. > > It is always better to know exact size. > > > > Do you know how can do calculate data size in HBASE. > > > > > > > > > > > > -- > > With Best Regards > > Bikash Agrawal > > Web/Software Developer > > Mobile: +47 92502701 > > www.bikashagrawal.com.np > > >
