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Re: HBase type support - HBase - [mail # user]
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...You do realize that having to worry about one type is easier... A bit more freedom... Sent from a remote device. Please excuse any typos... Mike Segel On Mar 14, 201...
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Author: Michel Segel,
2013-03-15, 12:25
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Re: Eliminating duplicate values - HBase - [mail # user]
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...There are no duplicates. Cells have versions, which are time stamped. You could set the number of versions to one... But I'd recommend sticking w the default 3. Sent from a remote devi...
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Author: Michel Segel,
2013-03-03, 05:09
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Re: Hbase table with a nested entity - HBase - [mail # user]
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...Uhm you can easily do this in HBase a couple of different ways. :-) Your option 2 is this solution he wants. Or option 3, store the data into a map or some serializable object, (Single colum...
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Author: Michel Segel,
2013-02-27, 12:23
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Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
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...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.....
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Author: Michel Segel,
2013-02-20, 14:14
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Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
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...I was suggesting removing the write to WAL on your write to the index table only. The thing you have to realize that true low latency systems use databases as a sink. It's the end of t...
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Author: Michel Segel,
2013-02-20, 13:00
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Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
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...Why are you using an HTable Pool? Why are you closing the table after each iteration through? Try using 1 HTable object. Turn off WAL Initiate in start() Close in Stop() Surround the u...
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Author: Michel Segel,
2013-02-18, 14:13
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Re: hbase-master-server slept - HBase - [mail # user]
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...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...
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Author: Michel Segel,
2013-02-14, 12:41
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Re: restrict clients - HBase - [mail # user]
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...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...
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Author: Michel Segel,
2013-02-11, 14:58
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Re: how to model data based on "time bucket" - HBase - [mail # user]
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...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...
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Author: Michel Segel,
2013-01-28, 15:54
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Re: Coprocessor / threading model - HBase - [mail # user]
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...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...
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Author: Michel Segel,
2013-01-13, 13:25
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