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Re: hbase 0.92.1 hadoop compatibility - HBase - [mail # user]
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...I can't find to much about append support on the web. my full version is: hadoop 0.20.3-r1057313 I did however check hbase-site.xml and hdfs-site.xmk for dfs.support.append ...
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Author: Amit Sela,
2012-10-16, 09:52
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hbase 0.92.1 hadoop compatibility - HBase - [mail # user]
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...Hi everyone, I have a cluster running Hadoop 0.20.3-snapshot with HBase 0.90.2. I want to use bulk loading with HFileOutPutFormat, which works for me when writing to 1 CF but fai...
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Author: Amit Sela,
2012-10-15, 16:52
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Re: Optimizing table scans - HBase - [mail # user]
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...So just to get it straight. The reason the scan with setBatch(1) is much much faster is because it returns the only the value for the first column ? On Wed, Sep 12, 2012 at 5:37 PM, Do...
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Author: Amit Sela,
2012-09-15, 09:11
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Re: Optimizing table scans - HBase - [mail # user]
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...I allocate 10GB per RegionServer. An average row size is ~200 Bytes. The network is 1GB. It would be great if anyone could elaborate on the difference between Cache and Batch parameter...
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Author: Amit Sela,
2012-09-12, 13:55
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Optimizing table scans - HBase - [mail # user]
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...Hi all, I'm trying to find the sweet spot for the cache size and batch size Scan() parameters. I'm scanning one table using HTable.getScanner() and iterating over the ResultScann...
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Author: Amit Sela,
2012-09-12, 12:57
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HBase 0.94.1 release date - HBase - [mail # user]
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...Hi all, Anyone knows when (approximately) HBase 0.94.1 release will be available ? Thanks....
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Author: Amit Sela,
2012-07-18, 13:13
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Re: The write process in the Region Server - HBase - [mail # user]
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...Hi all, Thanks for all the help, I think I got it. In addition to everyone's advice I also found a useful post regarding stability and performance: http://kisalay.com/2012/04/09/hbase-...
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Author: Amit Sela,
2012-06-17, 16:52
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Re: The write process in the Region Server - HBase - [mail # user]
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...Thanks Doug, I read the regions section from the book like you recommended but I still have some questions left. When running a massive write job, the regionserver log show the memsize...
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Author: Amit Sela,
2012-06-16, 14:17
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Controlling Region Server Heap usage - HBase - [mail # user]
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...Hi all, I'm working on a production cluster where each Region Server has 10GB allocated memory, and I'm trying to control (limit) the memory usage during massive writes. HBase co...
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Author: Amit Sela,
2012-06-13, 15:40
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The write process in the Region Server - HBase - [mail # user]
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...Hi all, I'm trying to better understand what's going on in the region server during write to HBase. As I understand the process: 1. Data is written to memstore. 2. Once the...
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Author: Amit Sela,
2012-06-10, 17:02
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