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Re: Essential column family performance - HBase - [mail # user]
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...Good idea, Sergey. We'll rerun with larger non essential column family values and see if there's a crossover point. One other difference for us is that we're using FAST_DIFF enco...
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Author: James Taylor,
2013-04-09, 01:53
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Re: Best way to query multiple sets of rows - HBase - [mail # user]
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...Hi Greame, Are you familiar with Phoenix (https://github.com/forcedotcom/phoenix), a SQL skin over HBase? We've just introduced a new feature (still in the master branch) that'll...
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Author: James Taylor,
2013-04-08, 18:39
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Re: Essential column family performance - HBase - [mail # user]
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...In the TestJoinedScanners.java, is the 40% randomly distributed or sequential? In our test, the % is randomly distributed. Also, our custom filter does the same thing that ...
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Author: James Taylor,
2013-04-08, 17:38
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Re: Essential column family performance - HBase - [mail # user]
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...Yes, on 0.94.6. We have our own custom filter derived from FilterBase, so filterIfMissing isn't the issue - the results of the scan are correct. I can see that if the essential c...
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Author: James Taylor,
2013-04-07, 18:37
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Essential column family performance - HBase - [mail # user]
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...Hello, We're doing some performance testing of the essential column family feature, and we're seeing some performance degradation when comparing with and without the feature enab...
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Author: James Taylor,
2013-04-07, 06:05
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Re: Does compatibility between versions also mean binary compatibility? - HBase - [mail # dev]
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...That seems reasonable to make an exception for coprocessors on binary compatibility. Can this be explicitly documented if it's not already so folks are sure to know that? ...
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Author: James Taylor,
2013-04-06, 20:11
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Re: HBase Types: Explicit Null Support - HBase - [mail # dev]
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...With Phoenix, variable width types may be null in all cases (in the row key or as key values) and fixed width types may be null as key values or as the last row key column. We on...
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Author: James Taylor,
2013-04-05, 02:18
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Re: Does compatibility between versions also mean binary compatibility? - HBase - [mail # dev]
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...The binary compat is a slippery slope. It'd be a bummer if we couldn't take advantage of all the innovation you guys are doing. At the same time, it's tough to require the Phoeni...
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Author: James Taylor,
2013-04-04, 23:29
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Re: 0.94.6.1 please have a look - HBase - [mail # dev]
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...+1 from the Phoenix team. We installed and tested on our internal cluster and everything looks good. James On 04/04/2013 01:33 PM, lars hofhansl wrote:...
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Author: James Taylor,
2013-04-04, 21:40
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[HBASE-6919] Remove unnecessary cast from Bytes.readVLong - HBase - [issue]
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...Remove the throws IOException so that caller doesn't have to catch and ignore. public static long readVLong(final byte [] buffer, final int offset) throws IOExceptionAl...
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http://issues.apache.org/jira/browse/HBASE-6919
Author: James Taylor,
2013-04-03, 07:15
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