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Re: Development work focused on HFile v2 - HBase - [mail # user]
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... The Hbase RefGuide has a big entry in the appendix on Hfile v2. On 11/3/12 5:34 PM, "Marcos Ortiz" wrote: ...
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Author: Doug Meil,
2012-11-03, 22:38
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Re: how to "copy" oracle to HBASE, just like goldengate - HBase - [mail # user]
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...Additionally, don't take it for granted that an RDBMS and HBase aren't the same thing. Check out these sections of the RefGuide if you haven't already. http://hbase.apache.org/bo...
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Author: Doug Meil,
2012-11-02, 12:34
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Re: Does hbase.hregion.max.filesize have a limit? - HBase - [mail # user]
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...Hi there- re: "The max file size the whole cluster can store for one CF is 60G, right?" No, the max file-size for a region, in your example, is 60GB. When the data ex...
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Author: Doug Meil,
2012-11-01, 13:26
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Re: Best technique for doing lookup with Secondary Index - HBase - [mail # user]
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...Hey folks, for the record there are samples of using importsv for preparing Hfiles in here... http://hbase.apache.org/book.html#importtsv On 10/26/12 12:44 AM, "an...
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Author: Doug Meil,
2012-10-27, 00:35
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Re: Hbase sequential row merging in MapReduce job - HBase - [mail # user]
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...As long as you know your keyspace, you should be able to create your own splits. See TableInputFormatBase for the default implementation (which is 1 input split per region) &nbs...
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Author: Doug Meil,
2012-10-19, 14:22
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Re: Coprocessor end point vs MapReduce? - HBase - [mail # user]
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...I agree with the concern and there isn't a ton of guidance on this area yet. On 10/18/12 2:01 PM, "Michael Segel" wrote: ...
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Author: Doug Meil,
2012-10-18, 19:18
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Re: Coprocessor end point vs MapReduce? - HBase - [mail # user]
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...To echo what Mike said about KISS, would you use triggers for a large time-sensitive batch job in an RDBMS? It's possible, but probably not. Then you might want to think twice about us...
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Author: Doug Meil,
2012-10-18, 12:36
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Re: Problems using unqualified hostname on hbase - HBase - [mail # user]
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...Hi there. You generally don't want to run with 2 clusters like (HBase on one, HDFS on the other) that because your regions have 0% locality. For more information on this topic, s...
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Author: Doug Meil,
2012-10-17, 19:13
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Re: Set scanner caching to a better default? - HBase - [mail # dev]
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...100 is a good idea. It's one of the most common questions on the dist-list (e.g., hey my MR job is slow? answer: set caching to something more than 1). ...
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Author: Doug Meil,
2012-10-17, 12:27
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Re: bulk load - HBase - [mail # user]
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...Yep. Bulk-loads are an extremely useful way of loading data. That would be 2 jobs since those are 2 tables. For more info on bulk loading, seeĊ http://hbase.apache.org/book...
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Author: Doug Meil,
2012-10-14, 19:32
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