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RE: Converting byte[] to ByteBuffer - HBase - [mail # dev]
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...There are plenty of arguments in both directions for caching above the DB, in the DB, or under the DB/in the FS. I have significant interest in suppo rting large heaps and reduci...
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Author: Jonathan Gray,
2011-07-10, 07:59
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RE: prefix compression - HBase - [mail # dev]
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...I'm here! Still parsing through the stuff in this e-mail but I agree that many approa ches will require rejiggering of KeyValue in a significant way. I have mad e some attempts a...
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Author: Jonathan Gray,
2011-06-02, 23:44
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RE: BBUZZ Berlin Sightseeing? - HBase - [mail # dev]
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Author: Jonathan Gray,
2011-05-26, 20:44
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RE: hbase 0.90.2 Release Candidate 0 available for download - HBase - [mail # dev]
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...+1 Have been running with most of the stuff in 0.90.2 on a significant workloa d. ext...
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Author: Jonathan Gray,
2011-04-07, 20:59
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RE: gauging cost of region movement - HBase - [mail # dev]
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...Also, using more stable measures of request count will help, such as 30 min ute rolling averages. d be an er ccount ad ve...
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Author: Jonathan Gray,
2011-03-21, 23:26
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RE: gauging cost of region movement - HBase - [mail # dev]
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...This is an interesting direction, and definitely file a JIRA as this could be an additional metric in the future, but it's not exactly what I had in m ind. One of the hardest par...
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Author: Jonathan Gray,
2011-03-21, 23:22
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RE: retrieving HRegion's in AssignmentManager - HBase - [mail # dev]
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...You can't do a HashMap with a byte[] as the Key, unfortunately. You'll have to use a TreeMap (where you can specify a comparator), use a wr apping class, or you could even make i...
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Author: Jonathan Gray,
2011-03-15, 03:14
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RE: what's the roadmap of secondary index of hbase? - HBase - [mail # dev]
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...Right. Rather than another table, you use another column family in the pri mary table a la Megastore and Lily. ...
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Author: Jonathan Gray,
2011-03-01, 19:38
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RE: what's the roadmap of secondary index of hbase? - HBase - [mail # dev]
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...I've started a wiki page: http://wiki.apache.org/hadoop/Hbase/SecondaryInd exing I gave a basic description of the idea I had and the open questions. Let's get all our thou...
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Author: Jonathan Gray,
2011-02-28, 20:05
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RE: what's the roadmap of secondary index of hbase? - HBase - [mail # dev]
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...Cool. Plans for a design phase that we can collaborate on? d...
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Author: Jonathan Gray,
2011-02-25, 20:43
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