You still need to download//build/install snappy. I asume you are doing that.
Yes, Hadoop snappy JNI goes in the libhadoop OS Thanks. Alejandro On Mon, Oct 31, 2011 at 2:56 PM, Tim Broberg <tim.brob...@exar.com> wrote: > Solved - In trunk, the snappy symbols are getting linked in with the rest > of the native stuff in libhadoop.so: > > [tbroberg@san-mothra trunk]$ nm -gC > hadoop-common-project/hadoop-common/target/hadoop-common-0.24.0-SNAPSHOT/lib/libhadoop.so > | grep -i snappy > 0000000000003c20 T > Java_org_apache_hadoop_io_compress_snappy_SnappyCompressor_compressBytesDirect > 00000000000039e0 T > Java_org_apache_hadoop_io_compress_snappy_SnappyCompressor_initIDs > 0000000000004200 T > Java_org_apache_hadoop_io_compress_snappy_SnappyDecompressor_decompressBytesDirect > 0000000000003fc0 T > Java_org_apache_hadoop_io_compress_snappy_SnappyDecompressor_initIDs > > So, this command line is sufficient: > > mvn install -Pdist,native -DskipTests > > Thanks again for answering, Alejandro. > > - Tim. > > ________________________________________ > From: Tim Broberg [tim.brob...@exar.com] > Sent: Monday, October 31, 2011 12:59 PM > To: common-dev@hadoop.apache.org > Subject: RE: Example mvn cmd line to build snappy native lib? > > Thanks, Alejandro, but perhaps this is the procedure for a previous > version? > > SVN trunk provides source in > trunk/hadoop-common-project/hadoop-common/target/native/src/org/apache/hadoop/io/compress/snappy, > but there is no config script or makefile. > > There is a fragment of documentation in trunk/BUILDING.txt - " * Use > -Dsnappy.prefix=(/usr/local) & -Dbundle.snappy=(false) to compile > Snappy JNI bindings and to bundle Snappy SO files" which suggests that > this is maven-able, and compilation / packaging succeed, but there is no > libsnappy.so at the end of the process. > > I'd really like not to switch to a different branch of the code yet again, > and surely *somebody* knows how to build snappy in the trunk... > > - Tim. > > ________________________________________ > From: Alejandro Abdelnur [t...@cloudera.com] > Sent: Monday, October 31, 2011 12:45 PM > To: common-dev@hadoop.apache.org; Tim Broberg > Subject: Re: Example mvn cmd line to build snappy native lib? > > Tim, > > You have to download it snappy from source tarball, run './configure' and > then 'make install' > > Thanks. > > Alejandro > > On Mon, Oct 31, 2011 at 11:24 AM, Tim Broberg <tbrob...@yahoo.com> wrote: > > > bump > > > > Does anybody know how to build the snappy native library? > > > > - Tim. > > > > > > ________________________________ > > From: Tim Broberg <tbrob...@yahoo.com> > > To: "common-dev@hadoop.apache.org" <common-dev@hadoop.apache.org> > > Sent: Friday, October 28, 2011 11:52 PM > > Subject: Example mvn cmd line to build snappy native lib? > > > > I'm trying to build the trunk from hadoop SVN including all the native > > libraries. > > > > The BUILDING.txt file has the following documentation on building the > > native libraries: > > > > " > > Build options: > > > > * Use -Pnative to compile/bundle native code > > * Use -Dsnappy.prefix=(/usr/local) & -Dbundle.snappy=(false) to compile > > Snappy JNI bindings and to bundle Snappy SO files > > " > > > > I tried the following, but never seem to get a libsnappy.so anywhere: > > > > mvn compile -Pnative > > mvn compile -Pnative -Dsnappy.prefix=/usr/local > > > > mvn compile -Pnative -Dsnappy.prefix=/usr/local -Dbundle.snappy=true > > > > mvn compile -Pnative -Dsnappy.prefix=/usr/local -Dbundle.snappy=false > > > > mvn compile -Pnative -Dsnappy.prefix=~tbroberg -Dbundle.snappy=true > > > > > > If I stick a #error statement in SnappyCompressor.c, I do see the first > of > > these fail, so it's doing *something* with snappy. > > > > Can anyone provide an example command line to build this? > > > > Thanks, > > - Tim. > > The information and any attached documents contained in this message > may be confidential and/or legally privileged. The message is > intended solely for the addressee(s). If you are not the intended > recipient, you are hereby notified that any use, dissemination, or > reproduction is strictly prohibited and may be unlawful. If you are > not the intended recipient, please contact the sender immediately by > return e-mail and destroy all copies of the original message. > > ________________________________ > The information and any attached documents contained in this message > may be confidential and/or legally privileged. The message is > intended solely for the addressee(s). If you are not the intended > recipient, you are hereby notified that any use, dissemination, or > reproduction is strictly prohibited and may be unlawful. If you are > not the intended recipient, please contact the sender immediately by > return e-mail and destroy all copies of the original message. >
