cascading.hbase
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Andrew Purtell
Jun 6, 2012, 3:44:00 AM6/6/12
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On cascading.hbase, this looks like it could use some attention. The
latest HBase release is 0.94.0, compatible with Hadoop 1.0.3. Any API
update for this version would also be compatible with HBase 0.92.x.
Sound good?
Best regards,
- Andy
latest HBase release is 0.94.0, compatible with Hadoop 1.0.3. Any API
update for this version would also be compatible with HBase 0.92.x.
Sound good?
Best regards,
- Andy
Ken Krugler
Jun 6, 2012, 9:35:19 AM6/6/12
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Hi Andy,
+1 from me.
We regularly have clients ask about HBase integration with Cascading, and right now my stock answer is that I don't think it's getting much love.
Though maybe I should ask the list - who's actively using HBase with Cascading (either source or sink) and at what scale/level of satisfaction?
Thanks,
-- Ken
--------------------------
Ken Krugler
Oscar Boykin
Jun 6, 2012, 10:52:16 AM6/6/12
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There is also the maple project that has a few cascading 2.0 taps including a port of the cascading hbase tap:
I don't know the exact state of the hbase tap, but I know we are using it in production.
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Chris K Wensel
Jun 6, 2012, 11:31:04 AM6/6/12
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I'm wondering if Maple should be exploded into its constituent bits so its contents are more obvious?
This is clearly more overhead, if not more useful, if done as separate projects. A bit less if as individual artifacts.
At minimum listing what's inside would be a start.. grin
and also probably deprecating the other integration projects for Maple somehow.
as an aside, can github Organizations have a page like a project does? /Cascading could probably do with one..
If not we can start a page on the .org site.
ckw
Andrew Purtell
Jun 6, 2012, 2:41:13 PM6/6/12
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I'll have a look at what's in Maple.
- Andy
Pranav
Jun 7, 2012, 12:11:52 PM6/7/12
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Im planning to use hbase as a source and was wondering if there are plans to update cascading.hbase or if the hbase tap using the new API will be contained only in cascading.maple?
Thanks,
Pranav.
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Andrew Purtell
Jun 7, 2012, 10:57:12 PM6/7/12
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I got the sense the notion is to maintain it in cascading.maple and deprecate/drop the separate module.
- Andy
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Oscar Boykin
Jun 8, 2012, 12:17:45 AM6/8/12
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By the way, not to take away from the mystery, but maple was just an
effort between the scalding (Argyris and I) and cascalog (Sam and
Nathan) guys to share some common taps and only have to publish one
jar each time cascading wips were updated.
We use maple in production, so we are going to be keeping it running
and adding features as we need them, but I can't really speak to what
else might happen with the cascading.hbase tap (we just didn't have
commit access and knew we were going to add 3-4 more taps to maple, so
we just made a new project).
Oscar Boykin :: @posco :: https://twitter.com/intent/user?screen_name=posco
effort between the scalding (Argyris and I) and cascalog (Sam and
Nathan) guys to share some common taps and only have to publish one
jar each time cascading wips were updated.
We use maple in production, so we are going to be keeping it running
and adding features as we need them, but I can't really speak to what
else might happen with the cascading.hbase tap (we just didn't have
commit access and knew we were going to add 3-4 more taps to maple, so
we just made a new project).
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Nick Dimiduk
Jun 8, 2012, 2:25:43 AM6/8/12
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Has anyone tried/ported Maple with HBase 0.92.x yet? I'd like to write about HBase/Cascading integration for HBase in Action but we're targeting the later release.
Thanks,
-Nick
Pranav
Jul 21, 2012, 6:14:58 AM7/21/12
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Ive tried Maple with HBase 0.92.1. It works, but its pretty raw. For example, it does not support getting all column names for a column family. All column names have to be specified when creating the scheme.
-Nick
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