This is a bit wordy and could probably be reduced to: # Make sure Hadoop and ZooKeeper are running. export HADOOP_PREFIX=/path/to/hadoop export ZOOKEEPER_HOME=/path/to/zookeeper curl <url> -o <file> tar xf <file> cd <dir> bin/bootstrap_config.sh bin/build_native_library.sh bin/accumulo init bin/start-all.sh
-- Christopher L Tubbs II http://gravatar.com/ctubbsii On Tue, May 20, 2014 at 12:56 PM, Josh Elser <[email protected]> wrote: > Including plaintext for those who don't have a blog account (yet). > > > On 5/20/14, 12:40 PM, Josh Elser wrote: >> >> All, >> >> I took a few moments to write up some of the details surrounding changes >> that took place in 1.6.0. It covers downloading a release from us, the >> changes with native maps and how to build them, how to choose example >> configurations and then init'ing and starting Accumulo >> >> >> https://blogs.apache.org/roller-ui/authoring/preview/accumulo/?previewEntry=getting_started_with_apache_accumulo >> >> >> Grammatical feedback and inaccuracies would be humbly accepted. This >> will be open for feedback for 3 days (2014/05/23 1700 UTC) after which >> I'll promote it to the main blog. >> >> Thanks! > > > --- Plaintext draft content > > Getting Started with Apache Accumulo 1.6.0 > > On May 12th, 2014, the Apache Accumulo project happily announced version > 1.6.0 to the community. This is a new major release for the project which > contains many numerous new features and fixes. For the full list of notable > changes, I'd recommend that you check out the release notes that were > published alongside the release itself. For this post, I'd like to cover > some of the changes that have been made at the installation level that are a > change for users who are already familiar with the project. > Download the release > > Like always, you can find out releases on the our downloads page at > http://accumulo.apache.org/downloads/. You have the choice of downloading > the source and building it yourself, or choosing the binary tarball which > already contains pre-built jars for use. > Native Maps > > One of the major components of the original BigTable design was an > "In-Memory Map" which provided fast insert and read operations. Accumulo > implements this using a C++ sorted map with a custom allocator which is > invoked by the TabletServer using JNI. Each TabletServer uses its own > "native" map. It is highly desirable to use this native map as it comes with > a notable performance increase over a Java map (which is the fallback when > the Accumulo shared library is not found) in addition to greatly reducing > the TabletServer's JVM garbage collector stress when ingesting data. > > In previous versions, the binary tarball contained a pre-compiled version of > the native library (under lib/native/). Shipping a compiled binary was a > convenience but also left much confusion when it didn't work on systems > which had different, incompatible versions of GCC toolchains installed than > what the binary was built against. As such, we have stopped bundling the > pre-built shared library in favor of users building this library on their > own, and instead include an accumulo-native.tar.gz file within the lib > directory which contains the necessary files to build the library yourself. > > To reduce the burden on users, we've also introduced a new script inside of > the bin directory: > > build_native_map.sh > > Invoking this script will automatically unpack, build and install the native > map in $ACCUMULO_HOME/lib/native. If you've used older versions of Accumulo, > you will also notice that the library name is different in an attempt to > better follow standard conventions: libaccumulo.so on Linux and > libaccumulo.dylib on Mac OS X. > Example Configurations > > Apache Accumulo still bundles a set of example configuration files in > conf/examples. Each sub-directory contains the complete set of files to run > on a single node with the named memory limitations. For example, the files > contained in conf/examples/3GB/native-standalone will run Accumulo on a > single node, with native maps (don't forget to build them first!), within a > total memory footprint of 3GB. Copy the contents of one of these directories > into conf/ and make sure that your relevant installation details (e.g. > HADOOP_PREFIX, JAVA_HOME, etc) are properly set in accumulo-env.sh. > > The change in these scripts is that they default to using Apache Hadoop 2 > packaging details, such as the Hadoop conf directory and jar locations. It > is highly recommended by the community that you use Apache Accumulo 1.6.0 > with at least Apache Hadoop 2.2.0, most notably, to ensure that you will not > lose data in the face of power failure. If you are still running on a Hadoop > 1 release (1.2.1), you will need to edit both accumulo-env.sh and > accumulo-site.xml. There are comments in each file which instruct you what > needs to be changed. > Starting Accumulo > > Initializing and starting Accumulo hasn't changed at all! After you have > created the configuration files and, if you're using them, built the native > maps, run: > > accumulo init > > This will prompt you to name your Accumulo instance and set the Accumulo > root user's password, then start Accumulo using > > $ACCUMULO_HOME/bin/start-all.sh >
