It seems that we cannot load a matrix from file right now. Should we implement the I/O of Matrices first?
sth like: Matrix Matrix.load(path file); Matrix Matrix.load(path file, Class mrcls); Matrix Matrix.save(path file); we can use a mapreduce job to speed up the matrix's loading into HBase. On Wed, Sep 17, 2008 at 3:50 PM, Edward J. Yoon <[EMAIL PROTECTED]>wrote: > Thanks for your nice proposal. Looks good for me. > If you start the work, Please open the issue in Jira. :) > > /Edward > > On Wed, Sep 17, 2008 at 12:51 PM, Samuel Guo <[EMAIL PROTECTED]> wrote: > > I added a wiki page : http://wiki.apache.org/hama/Shell > > > > But I am sorry that I am not familiar with formatting wiki pages. I will > try > > to make it more readable. > > > > On Wed, Sep 17, 2008 at 11:10 AM, Edward J. Yoon <[EMAIL PROTECTED] > >wrote: > > > >> Could you please add a new page for this on Wiki? :) > >> > >> Thanks > >> > >> On Wed, Sep 17, 2008 at 12:07 PM, Samuel Guo <[EMAIL PROTECTED]> > wrote: > >> > yes, it is better. > >> > > >> > On Wed, Sep 17, 2008 at 11:00 AM, Edward J. Yoon < > [EMAIL PROTECTED] > >> >wrote: > >> > > >> >> Wouldn't it be better to use it like the following : > >> >> > >> >> // a = load "fileA" as Matrix using MyMapReduce.class > >> >> > >> >> In order to let the users define their own user defined parallel > >> >> parser class for fileA. > >> >> > >> >> /Edward > >> >> > >> >> On Wed, Sep 17, 2008 at 11:48 AM, Samuel Guo <[EMAIL PROTECTED]> > >> wrote: > >> >> > Yes. sth like HBase Shell. > >> >> > > >> >> > the shell maybe like: > >> >> > > >> >> > Load : > >> >> > > >> >> > a = load "fileA" as Matrix > >> >> > b = load "fileB" as Matrix > >> >> > > >> >> > Add: > >> >> > > >> >> > c = a + b > >> >> > > >> >> > Multiply: > >> >> > > >> >> > d = a * b > >> >> > > >> >> > Save: > >> >> > > >> >> > write c as "fileC" > >> >> > > >> >> > ---- > >> >> > all the execution may be lazy until we write the Matrix, so that we > >> can > >> >> > rearrange the computations to make it more efficiently. > >> >> > > >> >> > any suggestions? > >> >> > > >> >> > > >> >> > On Wed, Sep 17, 2008 at 10:32 AM, Edward J. Yoon < > >> [EMAIL PROTECTED] > >> >> >wrote: > >> >> > > >> >> >> Oh, I like this Idea. Let's make a rough plan on the wiki. (I > think > >> >> >> the HQL will be useful) > >> >> >> > >> >> >> If you need any help, Please mail here. > >> >> >> > >> >> >> /Edward > >> >> >> > >> >> >> On Wed, Sep 17, 2008 at 11:17 AM, Samuel Guo <[EMAIL PROTECTED]> > >> >> wrote: > >> >> >> > Hello everyone, > >> >> >> > > >> >> >> > It seems that there isn't any shell in hama. I would like to add > a > >> >> shell > >> >> >> > file in hama to make the execution of examples more easily. How > >> could > >> >> I > >> >> >> do ? > >> >> >> > > >> >> >> > Thanks. > >> >> >> > > >> >> >> > Samuel > >> >> >> > > >> >> >> > >> >> >> > >> >> >> > >> >> >> -- > >> >> >> Best regards, Edward J. Yoon > >> >> >> [EMAIL PROTECTED] > >> >> >> http://blog.udanax.org > >> >> >> > >> >> > > >> >> > >> >> > >> >> > >> >> -- > >> >> Best regards, Edward J. Yoon > >> >> [EMAIL PROTECTED] > >> >> http://blog.udanax.org > >> >> > >> > > >> > >> > >> > >> -- > >> Best regards, Edward J. Yoon > >> [EMAIL PROTECTED] > >> http://blog.udanax.org > >> > > > > > > -- > Best regards, Edward J. Yoon > [EMAIL PROTECTED] > http://blog.udanax.org >
