Accumulo isn't going to run in YARN, it's just a matter of replacing MR compatibility with YARN compatibility.
On Thu, Oct 24, 2013 at 7:04 AM, David Medinets <[email protected]>wrote: > Can an application work with parts in Hadoop 1 and parts in YARN? Could we > convert one component at a time to work inside YARN? For example, first > move monitor then tracer, etc. Where there any architectural tradeoffs made > for Hadoop 1 that no longer apply in Hadoop 2? > > > On Thu, Oct 24, 2013 at 12:58 AM, Josh Elser <[email protected]> wrote: > > > Highlights from hadoop.apache.org > > > > YARN - A general purpose resource management system for Hadoop to > > allow MapReduce and other other data processing frameworks and services > > High Availability for HDFS > > HDFS Federation > > HDFS Snapshots > > NFSv3 access to data in HDFS > > Support for running Hadoop on Microsoft Windows > > Binary Compatibility for MapReduce applications built on hadoop-1.x > > Substantial amount of integration testing with rest of projects in > the > > ecosystem > > > > Additionally, I believe there are substantial improvements in HDFS which > > should improve general performance for all filesystem ops. > > > > > > On 10/23/13 9:51 PM, William Slacum wrote: > > > >> There wasn't any discussions in those tickets as to what Hadoop 2 > provides > >> Accumulo. If we're going to still support 1, then any new features only > >> possible with 2 have to become optional until we ditch support for 1. Is > >> there anything people have in mind, feature wise, that Hadoop 2 would > help > >> with? > >> > >> > >> On Wed, Oct 23, 2013 at 7:05 PM, Josh Elser <[email protected]> > wrote: > >> > >> To ensure that we get broader community interaction than only on a Jira > >>> issue [1], I want to get community feedback about the version of Hadoop > >>> which the default, deployed Accumulo artifacts will be compiled > against. > >>> > >>> Currently, Accumulo builds against a Hadoop-1 series release > >>> (1.5.1-SNAPSHOT and 1.6.0-SNAPSHOT build against 1.2.1, and 1.5.0 > builds > >>> against 1.0.4). Last week, the Apache Hadoop community voted to release > >>> 2.2.0 as GA (general availability) -- in other words, the Apache Hadoop > >>> community is calling Hadoop-2.2.0 "stable". > >>> > >>> As has been discussed across various issues on Jira, this means a few > >>> different things for Accumulo. Most importantly, this serves as a > >>> recommendation by us that users should be trying to use Hadoop-2.2.0 > with > >>> Accumulo 1.6.0. This does *not* mean that we do not support Hadoop1 > ([2] > >>> 1.2.1 specifically). Hadoop-1 support would still be "guaranteed" by us > >>> for > >>> 1.6.0. > >>> > >>> - Josh > >>> > >>> [1] https://issues.apache.org/****jira/browse/ACCUMULO-1419< > https://issues.apache.org/**jira/browse/ACCUMULO-1419> > >>> <http**s://issues.apache.org/jira/**browse/ACCUMULO-1419< > https://issues.apache.org/jira/browse/ACCUMULO-1419> > >>> > > >>> [2] https://issues.apache.org/****jira/browse/ACCUMULO-1643< > https://issues.apache.org/**jira/browse/ACCUMULO-1643> > >>> <http**s://issues.apache.org/jira/**browse/ACCUMULO-1643< > https://issues.apache.org/jira/browse/ACCUMULO-1643> > >>> > > >>> > >>> > >> >
