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Dell Hardware - HDFS - [mail # user]
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...Hello all, Does anyone run Hadoop on Dell R720 model of servers? Dell site lists C2100 model of servers as best fit for Hadoop workloads. What does community recommend? Artem Erv...
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Author: Artem Ervits,
2013-01-31, 16:53
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RE: Hadoop throughput question - HDFS - [mail # user]
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...Setting the property to 64k made the throughput jump to 36mb/sec, 39mb for 128k. Thank you for the tip. From: Michael Katzenellenbogen [mailto:[EMAIL PROTECTED]] Sent: Thursday, ...
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Author: Artem Ervits,
2013-01-04, 01:03
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RE: Hadoop throughput question - HDFS - [mail # user]
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...I will follow up on that certainly, thank you for the information. So further investigation showed that counting SequenceFile records takes about 26mb/sec. If I simply read bytes on th...
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Author: Artem Ervits,
2013-01-04, 00:00
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RE: Hadoop throughput question - HDFS - [mail # user]
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...Hadoop is using OneFS, not HDFS in our configuration. Isilon NAS and the Hadoop nodes are in the same datacenter but as far as rack locations, I cannot tell. From: John Lilley [mailto:...
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Author: Artem Ervits,
2013-01-03, 23:02
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RE: Hadoop throughput question - HDFS - [mail # user]
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...I have a 4.5gb file with records in SequenceFile format. If I use SequenceFile.Reader class to count the records in this file, which amount to 5.5million records, it takes 176seconds, or rou...
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Author: Artem Ervits,
2013-01-03, 22:46
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Hadoop throughput question - HDFS - [mail # user]
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...Hello all, I'd like to pick the community brain on average throughput speeds for a moderately specced 4-node Hadoop cluster with 1GigE networking. Is it reasonable to expect constant a...
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Author: Artem Ervits,
2013-01-03, 22:00
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Re: Hadoop and MainFrame integration - HDFS - [mail # user]
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...Can you read the data off backup tapes and dump it to flat files? Artem Ervits Data Analyst New York Presbyterian Hospital From: Marcos Ortiz [mailto:[EMAIL PROTECTED]] Sent: Tu...
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Author: Artem Ervits,
2012-08-29, 02:14
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