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Re: HBase and Cassandra on StackOverflow - HBase - [mail # user]
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...Don't forget that Gluster just released a beta open source Hadoop connector. Their "we'll just a dip a toe in the hadoop community" approach doesn't inspire confidence. On the ot...
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Author: Jacques,
2011-09-02, 18:18
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Can you go from 90.4 to 90.2? - HBase - [mail # user]
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...It was my understanding that minor version numbers should be able to be rolled back. Is this the case? Thanks, Jacques...
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Author: Jacques,
2011-09-02, 05:17
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Re: Quick Question about Bulk loading of HFiles & Timestamps - HBase - [mail # user]
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...Perfect. thanks, Jacques On Fri, Aug 5, 2011 at 3:53 PM, Todd Lipcon wrote: ...
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Author: Jacques,
2011-08-05, 23:24
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Quick Question about Bulk loading of HFiles & Timestamps - HBase - [mail # user]
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...Can someone confirm that bulk loading hfiles keeps cell timestamps from overwriting each other. For example: I run mapreduce A job on Monday. I run mapreduce B job on Tuesday. I ...
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Author: Jacques,
2011-08-05, 21:10
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Re: Apparent data loss on 90.4 rc2 after partial zookeeper network partition (on MapR) - HBase - [mail # user]
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...I will take a look and see what I can figure out. Thanks for your help. Jacques On Thu, Aug 4, 2011 at 9:52 AM, Ryan Rawson wrote: ...
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Author: Jacques,
2011-08-04, 17:48
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Re: Apparent data loss on 90.4 rc2 after partial zookeeper network partition (on MapR) - HBase - [mail # user]
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...Do you have any suggestions of things I should look at to confirm/deny these possibilities? The tables are very small and inactive (probably only 50-100 rows changing per day). T...
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Author: Jacques,
2011-08-04, 16:40
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Re: Apparent data loss on 90.4 rc2 after partial zookeeper network partition (on MapR) - HBase - [mail # user]
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...Thanks for the feedback. So you're inclined to think it would be at the dfs layer? Is it accurate to say the most likely places where the data could have been lost were: 1. wal w...
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Author: Jacques,
2011-08-04, 15:38
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Apparent data loss on 90.4 rc2 after partial zookeeper network partition (on MapR) - HBase - [mail # user]
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...Given the hardy reviews and timing, we recently shifted from 90.3 (apache) to 90.4rc2 (the July 24th one that Stack posted -- 0.90.4, r1150278). We had a network switch go down last ni...
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Author: Jacques,
2011-08-02, 22:44
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Re: More on Column Family versus Column - HBase - [mail # user]
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...I'm trying to work up a reference card to remember this stuff. Can someone confirm or deny the following statements? Each hbase block can hold at most, one row and one column fam...
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Author: Jacques,
2010-10-18, 16:17
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More on Column Family versus Column - HBase - [mail # user]
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...I was hoping for some feedback on a schema design choice we made. We are currently using column families to separate out some data in a table (based on what we've read here and elsewhe...
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Author: Jacques,
2010-10-16, 00:27
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