Thanks, Bryan. Does 0.18.3 has built-in "append" command? --- On Tue, 3/17/09, Bryan Duxbury <br...@rapleaf.com> wrote: From: Bryan Duxbury <br...@rapleaf.com> Subject: Re: Does HDFS provide a way to append A file to B ? To: core-user@hadoop.apache.org Date: Tuesday, March 17, 2009, 8:04 PM
I believe the last word on appends right now is that the patch that was committed broke a lot of other things, so it's been disabled. As such, there is no working append in HDFS, and certainly not in hadoop-17.x. -Bryan On Mar 17, 2009, at 4:50 PM, Steve Gao wrote: > Thanks, but I was told there is an append command, isn't there? But I don't know how to apply this patch https://issues.apache.org/jira/browse/HADOOP-1700 > > --- On Tue, 3/17/09, Bo Shi <b...@visiblemeasures.com> wrote: > From: Bo Shi <b...@visiblemeasures.com> > Subject: Re: Does HDFS provide a way to append A file to B ? > To: core-user@hadoop.apache.org > Date: Tuesday, March 17, 2009, 7:42 PM > > what about an identity mapper taking A and B as inputs? this will > likely mix rows of A and B together though... > > On Tue, Mar 17, 2009 at 7:35 PM, Steve Gao <steve....@yahoo.com> wrote: >> BTW, I am using hadoop 0.17.0 and jdk 1.6 >> >> --- On Tue, 3/17/09, Steve Gao <steve....@yahoo.com> wrote: >> From: Steve Gao <steve....@yahoo.com> >> Subject: Does HDFS provide a way to append A file to B ? >> To: core-user@hadoop.apache.org >> Date: Tuesday, March 17, 2009, 7:22 PM >> >> I need to append file A to file B in HDFS without downloading/uploading > them to >> local disk. Is there a way? >> >> >> >> >> >> >> > > >
