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Re: Constructing rowkeys and HBASE-7221 - HBase - [mail # user]
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...Hi there, well, this request for input fell like a thud. :-) But I think perhaps it has to do with the fact that I sent it to the dev-list instead of the user-list, as people tha...
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Author: Doug Meil,
2013-01-15, 22:01
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Constructing rowkeys and HBASE-7221 - HBase - [mail # dev]
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...Greetings folks- I would like to restart the conversation on https://issues.apache.org/jira/browse/HBASE-7221 because there continue to be conversations on the dist-list about creating...
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Author: Doug Meil,
2013-01-07, 16:04
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Re: One weird problem of my MR job upon hbase table. - HBase - [mail # user]
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...Hi there, The HBase RefGuide has a comprehensive case study on such a case. This might not be the exact problem, but the diagnostic approach should help. http://hbase.apac...
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Author: Doug Meil,
2013-01-07, 13:37
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[HBASE-4147] StoreFile query usage report - HBase - [issue]
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...Detailed information on what HBase is doing in terms of reads is hard to come by.What would be useful is to have a periodic StoreFile query report. Specifically, this could run on a co...
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http://issues.apache.org/jira/browse/HBASE-4147
Author: Doug Meil,
2012-12-18, 18:43
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Re: Is it necessary to set MD5 on rowkey? - HBase - [mail # user]
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...Hi there- You don't want a filter for this, use a Scan with the lead portion of the key. http://hbase.apache.org/book.html#datamodel See "5.7.3. Scans" On a related t...
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Author: Doug Meil,
2012-12-18, 13:40
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Re: 答复: 答复: what is the max size for one region and what is the max size of region for one server - HBase - [mail # user]
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...Hi there, When sizing your data, don't forget to read thisŠ http://hbase.apache.org/book.html#schema.creation and http://hbase.apache.org/book.html#regions.arch ...
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Author: Doug Meil,
2012-12-17, 14:31
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Re: HBase - Secondary Index - HBase - [mail # dev]
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...re: "It seems everybody wants secondary indexes in HBase. The problem is that most folks don't agree what that actually means." Agreed. And often times when people say "sec...
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Author: Doug Meil,
2012-12-05, 21:58
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Re: CopyTable utility fails on larger tables - HBase - [mail # user]
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...I agree it shouldn't fail (slow is one thing, fail is something else), but regarding "HBase Master Web UI showed only one region for the destination table.", you probably want to pre-split y...
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Author: Doug Meil,
2012-12-05, 16:30
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Re: Reg:delete performance on HBase table - HBase - [mail # user]
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...Hi there, You probably want to read this section on the RefGuide about deleting from HBase. http://hbase.apache.org/book.html#perf.deleting On 12/5/12 8:31 AM...
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Author: Doug Meil,
2012-12-05, 15:46
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Re: Multiple regionservers on a single node - HBase - [mail # user]
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...Hi there, Not tried multi-RS on a single node, but have you looked at the off-heap cache? It's a part of 0.92.x. From what I understand that feature was designed with this...
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Author: Doug Meil,
2012-12-03, 22:13
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