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[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
Re: Multiple region servers per physical node - HBase - [mail # user]
...Its possible to walk to the middle of the Golden Gate Bridge, evade security and take a swan dive in to the Bay.  If you're in NY, substitute Golden Gate with Brooklyn ....   The p...
   Author: Michael Segel, 2013-07-31, 18:51
[expand - 1 more] - Re: Anyone playing/looking at Hoya? - HBase - [mail # user]
...Ted,   Thanks, but I already read that, which prompted me to ask the question about Hoya because I am curious about HBase on a YARN cluster.   To me they seem orthogonal because yo...
   Author: Michael Segel, 2013-07-29, 14:30
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB