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[expand - 2 more] - Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
...What happens when you have a poem like Mary had a little lamb?  Did you turn off the WAL on both table inserts, or just the index?  If you want to avoid processing duplicate docs.....
   Author: Michel Segel, 2013-02-20, 14:14
Re: hbase-master-server slept - HBase - [mail # user]
...First,  In the world of Hadoop, if it ain't broke don't fix it, may not be the best advice. HBase is still evolving at a good pace and you want to be closer to the latest releases. CDH4...
   Author: Michel Segel, 2013-02-14, 12:41
Re: restrict clients - HBase - [mail # user]
...Not a simple answer.  You have to treat security like an onion.  You can restrict access to the cluster by limiting access to the cluster's subnet. That's just the start. You can t...
   Author: Michel Segel, 2013-02-11, 14:58
Re: how to model data based on "time bucket" - HBase - [mail # user]
...Tough one in that if your events are keyed on time alone, you will hit a hot spot on write. Reads,not so much...  TSDB would be a good start ...  You may not need 'buckets' but jus...
   Author: Michel Segel, 2013-01-28, 15:54
Re: Coprocessor / threading model - HBase - [mail # user]
...There are a couple of different designs that you can use to perform the write to the secondary index.  I wouldn't call this an anti-pattern... (AP's comment)  Using htablepool woul...
   Author: Michel Segel, 2013-01-13, 13:25
[expand - 1 more] - Re: HBase - Secondary Index - HBase - [mail # user]
...Can you provide a use case?   Sent from a remote device. Please excuse any typos...  Mike Segel  On Jan 8, 2013, at 6:30 PM, lars hofhansl  wrote:  ...
   Author: Michel Segel, 2013-01-09, 01:30
Re: Is it necessary to set MD5 on rowkey? - HBase - [mail # user]
...This what wrote:  By definition the salt is a random number which is the first part of the one way crypt() function. Using some modulo function is the second half of what I said. ;-) &n...
   Author: Michel Segel, 2012-12-20, 01:47
[expand - 1 more] - Re: How to design a data warehouse in HBase? - HBase - [mail # user]
...I don't know that I would recommend Impala at this stage in its development. Sorry, it has a bit of growing up.  It's interesting, but no UDFs, right?  Sent from a remote device. P...
   Author: Michel Segel, 2012-12-14, 00:49
Re: Put while move or split - HBase - [mail # user]
...He could have meant that the region was unavailable for a longer duration.  My take is that you could have limited bandwidth, and a very large region on the move. While I don't imagine ...
   Author: Michel Segel, 2012-12-03, 10:23
Re: Hbase MapReduce - HBase - [mail # user]
...Do you think it would be a good idea to temper the use of CoProcessors?  This kind of reminds me of when people first started using stored procedures...   Sent from a remote device...
   Author: Michel Segel, 2012-11-24, 18:05
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