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Re: Data Locality, HBase? Or Hadoop? - HBase - [mail # user]
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...Hi there- This is also discussed in the Regions section in the RefGuide: http://hbase.apache.org/book.html#regions.arch 9.7.3. Region-RegionServer Locality On...
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Author: Doug Meil,
2012-12-03, 15:45
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[HBASE-7241] [refGuide] Update to Performannce/writing/presplit - HBase - [issue]
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...Took the pre-split example that was in Performance/Writing/Pre-split and moved it to the Schema Design/RowKey-PreSplit section that was just created.Updated the Perf/pre-split section to add...
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http://issues.apache.org/jira/browse/HBASE-7241
Author: Doug Meil,
2012-11-30, 00:09
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[HBASE-7228] [refguide] Addition to SchemaDesign -added entry to "Rows as Columns" - HBase - [issue]
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...There are two schema design approaches in the RefGuide currently, rows vs. versions and rows vs. columns. But as OpenTSDB demonstrates there is a third: rows as columns.Adding a refere...
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http://issues.apache.org/jira/browse/HBASE-7228
Author: Doug Meil,
2012-11-29, 00:33
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[HBASE-7223] [refguide] Addition to SchemaDesign - RowKey design about understanding keyspace and region splits - HBase - [issue]
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...Adding an entry in the RowKey design section in the Schema Design chapter about understanding the keyspace and splits when pre-splitting tables....
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http://issues.apache.org/jira/browse/HBASE-7223
Author: Doug Meil,
2012-11-28, 17:50
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Re: Expert suggestion needed to create table in Hbase - Banking - HBase - [mail # user]
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...Hi there, somebody already wisely mentioned the link to the # of CF's entry, but here are a few other entries that can save you some heartburn if you read them ahead of time. http://hb...
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Author: Doug Meil,
2012-11-26, 13:43
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Re: Paging On HBASE like solr - HBase - [mail # user]
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...Hi there- Then don't use an end-row and break out of the loop when you hit 100 rows. On 11/22/12 5:16 AM, "Vajrakumar" wrote: ...
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Author: Doug Meil,
2012-11-22, 12:17
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Re: Region hot spotting - HBase - [mail # user]
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...Hi there- If he's using monotonically increasing keys the pre splits won't help because the same region is going to get all the writes. http://hbase.apache.org/book.html#rowkey.d...
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Author: Doug Meil,
2012-11-21, 18:52
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Re: Paging On HBASE like solr - HBase - [mail # user]
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...Hi there, Pretty similar approach with Hbase. See the Scan class. http://hbase.apache.org/book.html#data_model_operations On 11/21/12 1:04 PM, "Vajraku...
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Author: Doug Meil,
2012-11-21, 18:50
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Re: HBase map reduce exaple - HBase - [mail # dev]
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...Hi there, you need to read about custom map reduce keys... http://developer.yahoo.com/hadoop/tutorial/module5.html#types On 11/19/12 3:17 AM, "marcin.kasinski" &nbs...
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Author: Doug Meil,
2012-11-19, 16:20
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[HBASE-3869] RegionServer metrics - add read and write byte-transfer statistics - HBase - [issue]
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...It would be beneficial to have the "data transfer weight" of reads and writes per region server.HBASE-3647 split out the read/write metric requests from the uber-"request" metric - which is ...
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http://issues.apache.org/jira/browse/HBASE-3869
Author: Doug Meil,
2012-11-13, 17:48
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