Download - WebHDFS at King - May 2014 Hadoop MeetUp
Transcript
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How to turbo charge your data transfers with WebHDFS
Andy Done, Data Platform Lead [email protected]
Last time…
Since then…
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Hadoop
1 0.5
Storage
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Events
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ExaSol
2.5 6
Load times
Problem WebHDFS
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Old way WebHDFS
Old way hadoop fs –cat /some/path/* | bulk_load my_table
WebHDFS
WebHDFS way WebHDFS
WebHDFS way IMPORT INTO TABLE my_table FROM
FILE ‘http://namenode/webhdfs/v1/some/path/file_1’
FILE ‘http://namenode/webhdfs/v1/some/path/file_2’
…
FILE ‘http://namenode/webhdfs/v1/some/path/file_n’
WebHDFS
WebHDFS benefits • Simple • Efficient • Ubiquitous • Parallelisable • Bidirectional • Fast
WebHDFS
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Conclusion WebHDFS
Thank you
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We're hiring!
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