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[HBASE-9316] Use JoinedHeap between MUST_PASS_ALL filters to better leverage essential column family feature - HBase - [issue]
...Currently, all column families in a MUST_PASS_ALL filter list are loaded in advance of filtering. Instead, only the essential column family from the first filter should be loaded and then it...
http://issues.apache.org/jira/browse/HBASE-9316    Author: James Taylor, 2013-08-23, 04:32
[HBASE-8607] Allow custom filters and coprocessors to be updated for a region server without requiring a restart - HBase - [issue]
...One solution to allowing custom filters and coprocessors to be updated for a region server without requiring a restart might be to run the HBase server in an OSGi container (maybe there are ...
http://issues.apache.org/jira/browse/HBASE-8607    Author: James Taylor, 2013-08-21, 22:29
Re: Does HBase supports parallel table scan if I use MapReduce - HBase - [mail # user]
...Have a look at Phoenix (https://github.com/forcedotcom/phoenix), a SQL skin over HBase. It does parallel scans and has no map/reduce dependencies. Instead, it compiles your SQL into native H...
   Author: James Taylor, 2013-08-21, 15:41
[expand - 4 more] - Re: Client Get vs Coprocessor scan performance - HBase - [mail # user]
...Kiru, Is the column qualifier for the key value storing the double different for different rows? Not sure I understand what you're grouping over. Maybe  5 rows worth of sample input and...
   Author: James Taylor, 2013-08-19, 15:34
[expand - 1 more] - Re: [ANNOUNCE] Secondary Index in HBase - from Huawei - HBase - [mail # dev]
...True, JOIN is not yet supported in Phoenix.  However, we are working on supporting joins, starting with hash joins that are equi-joins where one side of the join is small enough to fit ...
   Author: James Taylor, 2013-08-14, 21:18
[expand - 3 more] - Re: [UPDATE] Finishing up 0.96 --> WAS Re: 0.95 and 0.96 remaining issues - HBase - [mail # dev]
...IMHO, the value is agreeing on a serialization format across multiple products. Without a common serialization format, we won't have a good interop story. Phoenix needs the serialization for...
   Author: James Taylor, 2013-07-31, 20:44
[expand - 1 more] - Re: Help in designing row key - HBase - [mail # user]
...Sure, but FYI Phoenix is not just faster, but much easier as well (as  this email chain shows).  On 07/03/2013 04:25 AM, Flavio Pompermaier wrote:...
   Author: James Taylor, 2013-07-03, 11:42
Re: Schema design for filters - HBase - [mail # user]
...Hi Kristoffer, Have you had a look at Phoenix (https://github.com/forcedotcom/phoenix)? You could model your schema much like an O/R mapper and issue SQL queries through Phoenix for your fil...
   Author: James Taylor, 2013-06-28, 01:55
Re: HBase: Filters not working for negative integers - HBase - [mail # user]
...You'll need to flip the sign bit for ints and longs like Phoenix does.  Feel free to borrow our serializers (in PDataType) or just use Phoenix.  Thanks,       James ...
   Author: James Taylor, 2013-06-26, 08:22
Re: Scan performance - HBase - [mail # user]
...Hi Tony, Have you had a look at Phoenix(https://github.com/forcedotcom/phoenix), a SQL skin over HBase? It has a skip scan that will let you model a multi part row key and skip through it ef...
   Author: James Taylor, 2013-06-22, 17:17
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