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Re: Is HBaseAdmin thread-safe? - HBase - [mail # user]
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...Hi HBase users: I look at the code, hbaseadmin depends on HConnection. Is HConnectionImplementation thread-safe? Best Regards, Jerry On Wed, Nov 7, 2012 at 6:21 PM, ...
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Author: Jerry Lam,
2012-11-08, 19:32
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Re: How to check if a major_compact is done? - HBase - [mail # user]
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...Hi Yun: Please refer to HBase Metric: http://hbase.apache.org/book/hbase_metrics.html The hbase.regionserver.compactionQueueSize seems promising but I'm not certain because I have neve...
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Author: Jerry Lam,
2012-11-08, 15:43
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Re: Nosqls schema design - HBase - [mail # user]
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...Hi Nick: Your question is a good and tough one. I haven't find anything that helps in guiding the schema design in the nosql world. There are general concepts but none of them is close...
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Author: Jerry Lam,
2012-11-08, 15:32
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Is HBaseAdmin thread-safe? - HBase - [mail # user]
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...Hi HBase users: Is HBaseAdmin thread-safe? Best Regards, Jerry...
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Author: Jerry Lam,
2012-11-07, 23:21
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Re: Best technique for doing lookup with Secondary Index - HBase - [mail # user]
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...Can we enforce 2 regions to collocate together as a logical group? On Fri, Oct 26, 2012 at 6:14 AM, fding hbase wrote: ...
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Author: Jerry Lam,
2012-10-26, 14:29
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Re: Coprocessor end point vs MapReduce? - HBase - [mail # user]
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...Hi JM: There was a thread discussing M/R bulk delete vs. Coprocessor bulk delete. The thread subject is "Bulk Delete". The guy in that post suggested to write a HFile which contains al...
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Author: Jerry Lam,
2012-10-25, 20:43
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Re: Using filters in REST/stargate returns 204 (No content) - HBase - [mail # user]
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...Hi Suresh: Have you tried to create a scanner without the filter? Does it return errors as well? Best Regards, Jerry On Fri, Oct 19, 2012 at 1:16 PM, Kumar, Suresh wr...
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Author: Jerry Lam,
2012-10-19, 17:54
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Question on Scanner REST API Usage - HBase - [mail # user]
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...Hi HBase community: I have a few questions on the usage of Scanner via REST API: - From the XML schema ( http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/rest/package-summ...
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Author: Jerry Lam,
2012-10-19, 14:31
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Re: Slow scanning for PrefixFilter on EncodedBlocks - HBase - [mail # user]
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...Hi ./zahoor: I don't think it is the same issue. Did you provide the Scan object with the startkey = prefix? something like: Scan scan = new Scan(prefix); My understanding ...
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Author: Jerry Lam,
2012-10-15, 17:43
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Re: Problem with Rest Java Client - HBase - [mail # user]
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...Hi Erman: I think this post summed up very well about deletion in hbase ( http://hadoop-hbase.blogspot.ca/2011/12/deletion-in-hbase.html) Please have a look. If you need to delet...
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Author: Jerry Lam,
2012-10-12, 21:45
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