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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HDFS and Linux File System
Date Tue, 08 Sep 2009 04:23:12 GMT
I see "Repository moved temporarily to '/viewvc/hadoop/chukwa/'. Please
relocate"

On Mon, Sep 7, 2009 at 4:21 PM, Matt Massie <matt@cloudera.com> wrote:

> You can find chukwa at...
>
> http://svn.apache.org/viewvc/hadoop/chukwa/
>
> -Matt
>
>
> On Mon, Sep 7, 2009 at 3:03 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> >
> http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/chukwa/produced
> > an exception.
> > And Chukwa isn't in hadoop/src/contrib of 0.20.0
> >
> > On Mon, Sep 7, 2009 at 2:44 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > I tried to compile fuse-dfs. libhdfs.so has been compiled.
> > >
> > > Under hadoop/src/contrib/fuse-dfs:
> > > ant -Dlibhdfs=1 -Dfusedfs=1
> > >
> > > Then I got:
> > >      [exec] make[1]: Entering directory
> > > `/usr/local/hadoop/src/contrib/fuse-dfs/src'
> > >      [exec] if gcc -DPACKAGE_NAME=\"fuse_dfs\"
> > > -DPACKAGE_TARNAME=\"fuse_dfs\" -DPACKAGE_VERSION=\"0.1.0\"
> > > -DPACKAGE_STRING=\"fuse_dfs\ 0.1.0\" -DPACKAGE_BUGREPORT=\"\"
> > > -DGETGROUPS_T=gid_t -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1
> > > -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1
> -DHAVE_MEMORY_H=1
> > > -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1
> > -DHAVE_UNISTD_H=1
> > > -DHAVE_GETGROUPS=1 -DGETGROUPS_T=gid_t  -I. -I.  -DPERMS=1
> > > -D_FILE_OFFSET_BITS=64
> -I/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/include
> > > -I/usr/local/hadoop/src/c++/libhdfs/
> > > -I/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/include/linux/
> > > -D_FUSE_DFS_VERSION=\"0.1.0\" -DPROTECTED_PATHS=\"\" -I/include   -Wall
> > -O3
> > > -MT fuse_dfs.o -MD -MP -MF ".deps/fuse_dfs.Tpo" -c -o fuse_dfs.o
> > fuse_dfs.c;
> > > \
> > >      [exec]     then mv -f ".deps/fuse_dfs.Tpo" ".deps/fuse_dfs.Po";
> else
> > > rm -f ".deps/fuse_dfs.Tpo"; exit 1; fi
> > >      [exec] In file included from fuse_dfs.c:19:
> > >      [exec] fuse_dfs.h:31:18: error: fuse.h: No such file or directory
> > >      [exec] fuse_dfs.h:32:27: error: fuse/fuse_opt.h: No such file or
> > > directory
> > >      [exec] In file included from fuse_dfs.c:20:
> > >
> > > Where can I find fuse_opt.h and fuse.h ?
> > >
> > > Thanks
> > >
> > >
> > > On Mon, Sep 7, 2009 at 12:08 PM, Brian Bockelman <bbockelm@cse.unl.edu
> > >wrote:
> > >
> > >> Hey Ted,
> > >>
> > >> It's hard to avoid copying files, unless if you are able to change
> your
> > >> application to talk to HDFS directly (and even then, there are a lot
> of
> > >> "gotchas" that you wouldn't have to put up with at an application
> level
> > --
> > >> look at the Chukwa paper).
> > >>
> > >> I would advise looking at Chukwa,
> http://wiki.apache.org/hadoop/Chukwa,
> > >> and then rotating logfiles quickly.
> > >>
> > >> Facebook's Scribe is supposed to do this sort of stuff too (and is
> very
> > >> impressive), but I'm not familiar with it.  On face value, it appears
> > that
> > >> it might take more effort to get scribe well-integrated, but it would
> > have
> > >> more functionality.
> > >>
> > >> Brian
> > >>
> > >>
> > >> On Sep 7, 2009, at 4:18 AM, Ted Yu wrote:
> > >>
> > >>  We're using hadoop 0.20.0 to analyze large log files from web
> servers.
> > >>> I am looking for better HDFS support so that I don't have to copy log
> > >>> files
> > >>> from Linux File System over.
> > >>>
> > >>> Please comment.
> > >>>
> > >>> Thanks
> > >>>
> > >>
> > >>
> > >
> >
>

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