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Re: Can I make use of TableSplit across Regions to make my MR job faster? - HBase - [mail # user]
...A 'table split' is a region split and as you split regions, balance the regions, you should see some parallelism in your M/R jobs.   Of course depending on your choice of row keys... YM...
   Author: Michael Segel, 2013-08-26, 10:48
Re: one column family but lots of tables - HBase - [mail # user]
...I think the issue which a lot of people miss is why do you want to use a column family in the first place.   Column families are part of the same table structure, and each family is kep...
   Author: Michael Segel, 2013-08-23, 14:33
[expand - 1 more] - Re: Question about the time to execute joins in HBase! - HBase - [mail # user]
...Pig and Hive will generate a map/reduce job  So you have 3 tables that you want to join.  Ok so one is 60 million rows. One is 2 million and 1 is 1 million.   What sort of joi...
   Author: Michael Segel, 2013-08-22, 17:58
Re: Java Null Pointer Exception! - HBase - [mail # user]
...Uhmm... not exactly.  It depends on how you view HBase and your use case...  The short answer is that Sudheendra is basically correct, you really need to rethink using HBase if you...
   Author: Michael Segel, 2013-08-22, 15:19
Lets talk about joins... - HBase - [mail # dev]
...When you start looking at secondary indexing, they really become powerful when you want to join two tables.  (Something I thought was already being discussed....)   So you can use ...
   Author: Michael Segel, 2013-08-20, 18:56
Re: issue about rowkey design - HBase - [mail # user]
...Multiple random seeks?   Sorry, you've lost me.   In simple design, you use an inverted table where the indexed value is the row key  and the columns contain the base table's ...
   Author: Michael Segel, 2013-08-19, 17:15
[expand - 5 more] - Re: [ANNOUNCE] Secondary Index in HBase - from Huawei - HBase - [mail # dev]
...Are you sure? ;-)   We've had this discussion before.  On Aug 14, 2013, at 8:10 PM, lars hofhansl  wrote:   The opinions expressed here are mine, while they may reflect a...
   Author: Michael Segel, 2013-08-15, 03:08
Re: Data types stage 1 is ready for reivew - HBase - [mail # dev]
...Uhm...  Ok.  Silly question.   How do you plan on enforcing data types within the engine?   I did a quick read of the Jira, and there is a question of design philosophy t...
   Author: Michael Segel, 2013-08-03, 17:33
[expand - 1 more] - Re: HBase read perfomnance and HBase client - HBase - [mail # dev]
...Ok... Bonded 1GbE is less than 2GbE, not sure of actual max throughput.   Are you hitting data in cache or are you fetching data from disk? I mean can we rule out disk I/O because the d...
   Author: Michael Segel, 2013-08-01, 19:10
[expand - 1 more] - Re: help on key design - HBase - [mail # user]
...Really?   You split the region that is hot. What's to stop all of the keys that the OP wants are still within the same region?  Not to mention... how do you control which region is...
   Author: Michael Segel, 2013-07-31, 19:32
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