mvn install just installs it in local cache which you can then use for building other projects. So no need to have to define a file based local repo. Am I missing something?
Enis On Wed, Feb 11, 2015 at 12:36 PM, Nick Dimiduk <ndimi...@gmail.com> wrote: > Oh, I see. I was assuming a local build of Hadoop snapshot installed into > the local cache. > > On Wednesday, February 11, 2015, Colin P. McCabe <cmcc...@apache.org> > wrote: > > > On Wed, Feb 11, 2015 at 11:27 AM, Nick Dimiduk <ndimi...@gmail.com > > <javascript:;>> wrote: > > > I don't recall the hadoop release repo restriction being a problem, > but I > > > haven't tested it lately. See if you can just specify the release > version > > > with -Dhadoop.version or -Dhadoop-two.version. > > > > > > > Sorry, it's been a while since I did this... I guess the question is > > whether 2.7.0-SNAPSHOT is available in Maven-land somewhere? If so, > > then Chunxu should forget all that stuff I said, and just build HBase > > with -Dhadoop.version=2.7.0-SNAPSHOT > > > > > I would go against branch-1.0 as this will be the eminent 1.0.0 release > > and > > > had HTrace 3.1.0-incubating. > > > > Thanks. > > > > Colin > > > > > > > > > > -n > > > > > > On Wed, Feb 11, 2015 at 11:13 AM, Colin P. McCabe <cmcc...@apache.org > > <javascript:;>> > > > wrote: > > > > > >> Thanks for trying stuff out! Sorry that this is a little difficult at > > >> the moment. > > >> > > >> To really do this right, you would want to be using Hadoop with HTrace > > >> 3.1.0, and HBase with HTrace 3.1.0. Unfortunately, there hasn't been > > >> a new release of Hadoop with HTrace 3.1.0. The only existing releases > > >> of Hadoop use an older version of the HTrace library. So you will > > >> have to build from source. > > >> > > >> If you check out Hadoop's "branch-2" branch (currently, this branch > > >> represents what will be in the 2.7 release, when it is cut), and build > > >> that, you will get the latest. Then you have to build a version of > > >> HBase against the version of Hadoop you have built. > > >> > > >> By default, HBase's Maven build will build against upstream release > > >> versions of Hadoop only. So just setting > > >> -Dhadoop.version=2.7.0-SNAPSHOT is not enough, since it won't know > > >> where to find the jars. To get around this problem, you can create > > >> your own local maven repo. Here's how. > > >> > > >> In hadoop/pom.xml, add these lines to the distributionManagement > stanza: > > >> > > >> + <repository> > > >> + <id>localdump</id> > > >> + <url>file:///home/cmccabe/localdump/releases</url> > > >> + </repository> > > >> + <snapshotRepository> > > >> + <id>localdump</id> > > >> + <url>file:///home/cmccabe/localdump/snapshots</url> > > >> + </snapshotRepository> > > >> > > >> Comment out the repositories that are already there. > > >> > > >> Now run mkdir /home/cmccabe/localdump. > > >> > > >> Then, in your hadoop tree, run mvn deploy -DskipTests. > > >> > > >> You should get a localdump directory that has files kind of like this: > > >> > > >> ... > > >> /home/cmccabe/localdump/snapshots/org/apache/hadoop > > >> /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce > > >> > > >> > > > /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce/maven-metadata.xml.md5 > > >> > > >> > > > /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce/2.7.0-SNAPSHOT > > >> > > >> > > > /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce/2.7.0-SNAPSHOT/maven-metadata.xml.md5 > > >> > > >> > > > /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce/2.7.0-SNAPSHOT/hadoop-mapreduce-2.7.0-20121120.230341-1.pom.sha1 > > >> > > >> > > > /home/cmccabe/localdump/snapshots/org/apache/hadoop/hadoop-mapreduce/2.7.0-SNAPSHOT/maven-metadata.xml > > >> ... > > >> > > >> Now, add the following lines to your HBase pom.xml: > > >> > > >> <repositories> > > >> <repository> > > >> + <id>localdump</id> > > >> + <url>file:///home/cmccabe/localdump</url> > > >> + <name>Local Dump</name> > > >> + <snapshots> > > >> + <enabled>true</enabled> > > >> + </snapshots> > > >> + <releases> > > >> + <enabled>true</enabled> > > >> + </releases> > > >> + </repository> > > >> + <repository> > > >> > > >> This will allow you to run something like: > > >> mvn test -Dtest=TestMiniClusterLoadSequential -PlocalTests > > >> -DredirectTestOutputToFile=true -Dhadoop.profile=2.0 > > >> -Dhadoop.version=2.7.0-SNAPSHOT -Dcdh.hadoop.version=2.7.0-SNAPSHOT > > >> > > >> Once we do a new release of Hadoop with HTrace 3.1.0 this will get a > lot > > >> easier. > > >> > > >> Related: Does anyone know what the best git branch to build from for > > >> HBase would be for this kind of testing? I've been meaning to do some > > >> end to end testing (it's been on my TODO for a while) > > >> > > >> best, > > >> Colin > > >> > > >> On Wed, Feb 11, 2015 at 7:55 AM, Chunxu Tang <chunxut...@gmail.com > > <javascript:;>> wrote: > > >> > Hi all, > > >> > > > >> > Now I’m exploiting HTrace to trace request level data flows in HBase > > and > > >> > HDFS. I have successfully traced HBase and HDFS by using HTrace, > > >> > respectively. > > >> > > > >> > After that, I combine HBase and HDFS together and I want to just > send > > a > > >> > PUT/GET request to HBase, but to trace the whole data flow in both > > HBase > > >> > and HDFS. In my opinion, when I send a request such as Get to HBase, > > it > > >> > will at last try to read the blocks on HDFS, so I can construct a > > whole > > >> > data flow tracing through HBase and HDFS. While, the fact is that I > > can > > >> > only get tracing data of HBase, with no data of HDFS. > > >> > > > >> > Could you give me any suggestions on how to trace the data flow in > > both > > >> > HBase and HDFS? Does anyone have similar experience? Do I need to > > modify > > >> > the source code? And maybe which part(s) should I touch? If I need > to > > >> > modify the code, I will try to create a patch for that. > > >> > > > >> > Thank you. > > >> > > > >> > My Configurations: > > >> > Hadoop version: 2.6.0 > > >> > HBase version: 0.99.2 > > >> > HTrace version: htrace-master > > >> > OS: Ubuntu 12.04 > > >> > > > >> > > > >> > Joshua > > >> > > >
