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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...more food for thought on secondary indexing... *Additional questions*: - How important is indexing column qualifiers themselves (similar to Cassandra where p...
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Author: Jacques,
2012-09-10, 07:03
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...Some random thoughts/questions bubbling around in my mind regarding secondary indexes/indices. What are the top 5 use cases people are trying to solve? What solves more of these needs:...
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Author: Jacques,
2012-09-10, 03:03
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Re: Printing integers in the Hbase shell - HBase - [mail # user]
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...I was thinking that an easier way might even be to just add the conversion capability at the ruby shell level. Something like the following where you can give a third qualifier that de...
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Author: Jacques,
2012-08-13, 16:08
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Re: Slow full-table scans - HBase - [mail # user]
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...I think the first question is where is the time spent. Does your analysis show that all the time spent is on the regionservers or is a portion of the bottleneck on the client side? &nb...
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Author: Jacques,
2012-08-12, 23:13
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Re: Slow full-table scans - HBase - [mail # user]
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...HTable.getRegionLocations() I didn't realize the KeyValue serializations/deserialization happened on a separate thread in the hbase client code. J On Sun, Aug 12, 20...
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Author: Jacques,
2012-08-12, 22:59
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Re: Slow full-table scans - HBase - [mail # user]
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...Something to consider is that HBase stores and retrieves the row key (8 bytes in your case) + timestamp (8 bytes) + column qualifier (?) for every single value. The schemaless nature o...
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Author: Jacques,
2012-08-12, 21:05
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Re: Full text search on HBase - HBase - [mail # user]
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...You should check out the solbase deck by photo bucket from hbasecon. Also the work that jason ruthelgren did... Don't have jira offhand On Jun 5, 2012 2:40 PM, "jack chrispoo" wr...
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Author: Jacques,
2012-06-05, 22:27
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[HBASE-5993] Add a no-read Append - HBase - [issue]
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...HBASE-4102 added an atomic append. For high performance situations, it would be helpful to be able to do appends that don't actually require a read of the existing value. This wo...
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http://issues.apache.org/jira/browse/HBASE-5993
Author: Jacques,
2012-05-30, 16:35
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Re: Add client complexity or use a coprocessor? - HBase - [mail # user]
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...On Tue, Apr 10, 2012 at 9:19 AM, Tom Brown wrote: Got it. I didn't realize. Your understanding is correct. My statement was about using the data s...
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Author: Jacques,
2012-04-10, 21:49
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Re: Add client complexity or use a coprocessor? - HBase - [mail # user]
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...What about maintaining a bloom filter in addition to an increment to minimize double counting? You couldn't do atomic without some custom work but it would get u mostly there. If you w...
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Author: Jacques,
2012-04-10, 06:01
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