OK, I am building the 0.20-append branch of hadoop-common. Do I then have to build hadoop-hdfs or can I use a pre-built release of hadoop-hdfs? If the latter, where would I find such a thing? When I try following the links (http://hadoop.apache.org/hdfs/ -> http://hadoop.apache.org/hdfs/releases.html -> http://hadoop.apache.org/hdfs/releases.html#Download -> http://www.apache.org/dyn/closer.cgi/hadoop/core/ ) I get to releases of hadoop/core --- what is that?
Thanks, Mike Spreitzer SMTP: [email protected], Lotus Notes: Mike Spreitzer/Watson/IBM Office phone: +1-914-784-6424 (IBM T/L 863-) AOL Instant Messaging: M1k3Sprtzr From: Norbert Burger <[email protected]> To: [email protected] Date: 02/05/2011 09:51 AM Subject: Re: Using the Hadoop bundled in the lib directory of HBase Mike, you'll also need also access to an installation of Hadoop, whether this on the same machines as your HBase install (common), or somewhere else. Often, people install Hadoop first and then layer HBase over it. HBase depends on core Hadoop functionality like HDFS, and uses the Hadoop JAR in lib/ to support this. But this is library code only; what you're missing is the rest of Hadoop ecosystem (config files, directory structure, command-line tools, etc.) Norbert On Sat, Feb 5, 2011 at 9:21 AM, Ted Yu <[email protected]> wrote: > On a related note: > http://wiki.apache.org/hadoop/Hadoop%20Upgrade (referenced by > http://wiki.apache.org/hadoop/Hbase/HowToMigrate#90) needs to be filled > out. > > On Fri, Feb 4, 2011 at 11:47 PM, Mike Spreitzer <[email protected]> > wrote: > > > Hi, I'm new to HBase and have a stupid question about its dependency on > > Hadoop. Section 1.3.1.2 of (http://hbase.apache.org/notsoquick.html) > says > > there is an "instance" of Hadoop in the lib directory of HBase. What > > exactly is meant by "instance"? Is it all I need, or do I need to get a > > "full" copy of Hadoop from elsewhere? If HBase already has all I need, I > > am having trouble finding it. The Hadoop instructions refer to commands, > > for example, that I can't find. > > > > Thanks, > > Mike >
