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KeyValueScanner - HBase - [mail # dev]
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...Hi guys - I'm working on an interface for KeyValue and also trying to figure out what changes we need to make to KeyValueScanner for prefix compression. One thing that's confusing me i...
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Author: Matt Corgan,
2012-09-13, 05:25
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...Jacques - i'll be there tomorrow. Look forward to talking. Some comments before then: - How to maintain consistency (maybe this is unimportant?) Not unimportant at al...
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Author: Matt Corgan,
2012-09-11, 05:59
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...One sparse use case for us is rate limit detection. We store user events in an Event table whose primary key is a unique timestamp (sharded to avoid hotspotting) and which has eventTyp...
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Author: Matt Corgan,
2012-09-11, 01:20
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Re: HBase Developer's Pow-wow. - HBase - [mail # dev]
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...Can indexing be boiled down to these questions to start? 1) Per-region or Per-table 2) Sync or Async 3) Client-managed or Server-managed 4) Schema or Schema-less Definitions: &nb...
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Author: Matt Corgan,
2012-09-10, 19:13
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Re: RPC KeyValue encoding - HBase - [mail # dev]
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...I created separate reviewboard requests for the hbase-common module and the hbase-prefix-tree module. First one has the Cell interface, CellOutputStream, CellScanner, etc mentioned abo...
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Author: Matt Corgan,
2012-09-03, 23:55
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Re: RPC KeyValue encoding - HBase - [mail # dev]
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...Yes. I'll rename CellAppender to CellOutputStream. The concept is very similar to a GzipOutputStream where you write bytes to it and periodically call flush() which spits out a c...
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Author: Matt Corgan,
2012-09-03, 18:24
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Re: RPC KeyValue encoding - HBase - [mail # dev]
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...RPC encoding would be really nice since there is sometimes significant wire traffic that could be reduced many-fold. I have a particular table that i scan and stream to a gzipped outpu...
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Author: Matt Corgan,
2012-09-02, 06:29
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[HBASE-6234] Move simple KeyValue tests to hbase-common module - HBase - [issue]
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...TestKeyValue, LoadTestKVGenerator, and TestLoadTestKVGenerator should move up to hbase-common. This brings MD5Hash up as a dependency as well.To play well with Maven as discussed in HB...
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http://issues.apache.org/jira/browse/HBASE-6234
Author: Matt Corgan,
2012-08-31, 18:48
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Re: Disk space usage of HFilev1 vs HFilev2 - HBase - [mail # user]
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...Could it be the addition of the memstoreTS? i forget if that is in v1 as well. Matt On Tue, Aug 28, 2012 at 7:37 AM, Stack wrote: ...
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Author: Matt Corgan,
2012-08-28, 18:24
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Re: fastest way to run tests - HBase - [mail # dev]
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...Thanks - that helps a good bit. I do get some failures from things like "Filesystem closed" and "Address already in use", but sounds like that's not unexpected right now. ...
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Author: Matt Corgan,
2012-08-28, 00:23
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