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Re: bulk deletes - HBase - [mail # user]
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...While I didn't spend a lot of time with your code, I believe your approach is sound. Depending on your consistency requirements, I would suggest you consider utilizing a coprocessor to...
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Author: Jacques,
2012-10-05, 19:37
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Re: Lucene instead of HFiles? - HBase - [mail # user]
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...Abstractly, isn't this what Elastic Search and Katta already are: range-sharded data stores based on top of Lucene? J On Thu, Oct 4, 2012 at 8:34 PM, Otis Gospodnetic <[...
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Author: Jacques,
2012-10-05, 13:43
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Re: Questions on Table design for time series data - HBase - [mail # user]
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...We're all volunteers here so we don't always have the time to fully understand and plan others' schemas. In general your questions seemed to be worried about a lot of things that may o...
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Author: Jacques,
2012-10-03, 18:59
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Re: Questions on Table design for time series data - HBase - [mail # user]
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...I would suggest you watch this video: http://www.cloudera.com/resource/video-hbasecon-2012-real-performance-gains-with-real-time-data/ The jive guys solved a lot of the problems you're...
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Author: Jacques,
2012-10-03, 18:21
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Re: Hbase Scan - number of columns make the query performance way different - HBase - [mail # user]
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...Not sure of your schema... Each column family is in a separate collection of StoreFiles. Scan all will read all these files whereas your second scan will only read the StoreFiles assoc...
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Author: Jacques,
2012-09-13, 15:02
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...On Mon, Sep 10, 2012 at 6:20 PM, Matt Corgan wrote: It seems like portions of what you discussed would probably be nominally impacted by indexes while other would be very ...
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Author: Jacques,
2012-09-11, 04:04
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...Can you expound on use cases? The pros and cons are heavily dependent on the sparseness of the indexed values and the particular use case. If we're talking about a gender column ...
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Author: Jacques,
2012-09-10, 23:40
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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... I was thinking that exact criteria queries were higher priority than range queries. Interesting that you have a lot of needs for range queries. Performant range queries def...
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Author: Jacques,
2012-09-10, 20:50
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...See below On Mon, Sep 10, 2012 at 10:51 AM, Ted Yu wrote: If an index is basically a value (or term) pointing back to a row, there are two main ways that you can slice up ...
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Author: Jacques,
2012-09-10, 20:45
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Re: Hbase filter-SubstringComparator vs full text search indexing - HBase - [mail # user]
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...Two cents below... On Mon, Sep 10, 2012 at 7:24 AM, Shengjie Min wrote: Probably not if "huge" is sufficiently large. Since HBase only stores data indexed by the pri...
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Author: Jacques,
2012-09-10, 16:41
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