Great ! Thanks @atm,
- milind On 4/3/12 3:21 PM, "Aaron T. Myers" <a...@cloudera.com> wrote: >If that's the case then there doesn't seem to be any question here. The >feature is in trunk, and an implementation could be done for an older >release branch that would be compatible with that branch. Sure, the code >to >implement the feature is quite different between the two branches, but >trunk will remain a superset of the functionality of the past release, so >no issue. > >-- >Aaron T. Myers >Software Engineer, Cloudera > > > >On Tue, Apr 3, 2012 at 3:14 PM, <milind.bhandar...@emc.com> wrote: > >> To my knowledge, shuffle is already pluggable in 0.23 onwards, as long >>as >> it is used only by mapreduce framework. >> >> That's why Avner says : "In parallel, I'll try to *learn what exists* in >> 0.23". (Emphasize my own.) >> >> That's why I was wondering about the insistence of committing to trunk >> first. >> >> - Milind >> >> --- >> Milind Bhandarkar >> Greenplum Labs, EMC >> (Disclaimer: Opinions expressed in this email are those of the author, >>and >> do not necessarily represent the views of any organization, past or >> present, the author might be affiliated with.) >> >> >> >> On 4/3/12 2:44 PM, "Aaron T. Myers" <a...@cloudera.com> wrote: >> >> >On Tue, Apr 3, 2012 at 2:37 PM, <milind.bhandar...@emc.com> wrote: >> > >> >> What would be guideline for a new feature, such as >> >> https://issues.apache.org/jira/browse/MAPREDUCE-4049, which maintains >> >> compatibility for 1.x, but is not relevant to trunk, because the >> >>codebases >> >> have completely diverged, so cannot be committed to trunk ? >> >> >> > >> >Are you sure this isn't relevant to trunk? The "target versions" field >>of >> >that JIRA lists both 1.0.x and 0.24.0 (trunk.) In the latest comment on >> >that JIRA, the author appears to intend to do this work for both trunk >>and >> >1.0: >> > >> >"I want to have the described plugin-ability (desired with same >>interface) >> >for all future versions of Hadoop (as mentioned in the Target Version/s >> >field). <snip> On the first phase, I am focusing on the existing 1.0 >> >branch >> >as I know it. In parallel, I'll try to learn what exists in 0.23" >> > >> >-- >> >Aaron T. Myers >> >Software Engineer, Cloudera >> >>
