FWIW, POWER is bi-endian. AIX still runs big-endian on POWER, but the latest Linux distros for POWER run little-endian (in fact Ubuntu for POWER only runs LE).
> (x86 is little-endian and SPARC / POWER / ARM are big-endian; I'm sure > that was just a typo) > > On Tue, Jan 12, 2016 at 9:13 PM, Steve Loughran <ste...@hortonworks.com> wrote: > > It's notable that Hadoop doesn't like mixed-endianness; there is work > > (primarily from Oracle) to have consistent byteswapping —that is: work > > reliably on big-endian systems > > https://issues.apache.org/jira/browse/HADOOP-11505 ). There's no motivation > > to support mixed-endian clusters. > > > > > > The majority of clusters x86, there's only 3 cpu families that are little > > endian: Spark, Power, Arm. Adam has clearly been playing with Power + x86, > > but I'd suspect that's experimentation, not production. > > > > What is probably worth checking is mixed endian-ness between client apps > > submitting work and the servers: Java and Kryo serialization should handle > > that automatically. Randy Swanberg
