20 Mar
2012
20 Mar
'12
3:42 p.m.
Has any work been done regarding XWiki over an HDFS file system or database?
I saw a mention of Cassandra in an older post in this list, but I'm
unclear on if Cassandra really runs over HDFS.
--
Mark Wallace
Principal Engineer, Semantic Applications
Modus Operandi, Inc.
20 Mar
20 Mar
4:31 p.m.
There hasn't been any work in HDFS/Hadoop specifically. XWiki as it is now, runs on
RDBMS using Hibernate.
The Cassandra port which is in progress depends on replacing Hibernate with DataNucleus.
With DataNucleus,
Hbase support is theoretically possible but I don't think it's likely to be
supported beyond
"might work, use at your own risk". At any rate the DataNucleus/Cassandra port
is still not functional
and Cassandra does not run over HDFS but instead uses it's own implementation of an
Hbase/HDFS like stack
which runs on general purpose nodes.
Caleb
On 03/20/2012 10:42 AM, Mark Wallace wrote:
Has any work been done regarding XWiki over an HDFS
file system or database?
I saw a mention of Cassandra in an older post in this list, but I'm unclear on if
Cassandra really runs over HDFS.
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Mark Wallace