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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
Re: Disabled automated compaction - table still compacting - HBase - [mail # user]
...Silly question...   Why are you trying to disable automated compaction?   And then the equally silly question... are you attempting to run  full compactions manually?   &...
   Author: Michael Segel, 2013-07-09, 16:53
[expand - 2 more] - Re: Using separator/delimiter in HBase rowkey? - HBase - [mail # user]
...Where is murmur?   In your app?  So then every app that wants to fetch that row must now use murmur.   Added to Hadoop/HBase?  Then when you do upgrades you have to make ...
   Author: Michael Segel, 2013-07-08, 16:25
[expand - 6 more] - Re: When to expand vertically vs. horizontally in Hbase - HBase - [mail # user]
...Ian,   You still want to stick to your relational modeling.  :-(  You need to play around more with hierarchical models to get a better appreciation.   If you model as if...
   Author: Michael Segel, 2013-07-08, 15:27
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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