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Description:
User group for Cascading users
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Rent A Car
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Looking where to get the best and the cheapest car insurance? Or what
to buy new or used car? Or wonna just rent a car? all of this and more
you can find here [link]
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cascading loganalysis example
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The cascading loganalysis example seems to produce data sorted on the timestamp, at least for small input files and a single shard of output. There seems to be some implicit typing going on under the covers so that the timestamps are treated as longs and sorted as such; where dos this happen coercion happen?... more »
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Cascading 1.0.17
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Hey all Just pushed up a new maintenance release, version 1.0.17. You can pull them directly from here: [link] Changes: Changed behavior when cleaning temp files that allows shutdown to continue even if an exception is thrown during temp file delete.... more »
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Reducers stalled while doing a Cartesian product
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Hello,
I'm new at using Cascading and seem have run into a problem doing a
Cartesian product where two reducers are stuck using 100% cpu and
continuously increases in memory consumption. Any help would be
appreciated.
I have 100k rows of data that looks something like the following:
13992,196,2009-04-27 20:00:00... more »
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Efficient split of output data
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Hi all, Currently in Bixo I have a Cascading sub-assembly called ParsePipe, that consumes FetchedDatum tuples (output from good web page fetches), runs an injected parser, and generates ParsedDatum tuples. The ParsedDatum tuple has the result of parsing the downloaded content, and also an array of discovered outlinks from web pages.... more »
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Custom partitioner
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Greetings, Chris and other Cascading developers/users, I've been a long-time user of Cascading since 2007 and I'd like to express my thanks for great library. It up-ended our work with Hadoop since then, and we've been highly successful with Cascading. Thanks :) I've got one debatable question that I can't resolve myself. In some... more »
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Minor bug w/cleanup code in Flow.run
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Hi Chris, I'm using Cascading 1.0.16, and ran into a bug of my own where I had a non-serialized class. This triggered the expected java.io.NotSerializableExcepti on when flow.run() was executing. But in the run method's finally block, there's a call to cleanTemporaryFiles(). And this in turn fails because some of the temp files haven't been... more »
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How to process binary file?
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Dear All,
I want to process a binary file using cascading.
I think the right way to do this is to make a custom source Tap which
will do something like these:
- read a binary file
- pass the file name to an external application (via shell excecution
or JNI, to be decided later),
- result of the externall application wilo is a text file... more »
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