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RE: hive - snappy and sequence file vs RC file - Hive - [mail # user]
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...Snappy vs LZO - To implement lzo, there are several steps, starting from building hadoop-lz o library. Finally we got it built. Indexing had to be done as a separate step a...
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Author: Chalcy Raja,
2012-06-27, 23:01
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RE: hive - snappy and sequence file vs RC file - Hive - [mail # user]
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...Thanks! Bejoy. I'll let you know which way we are going. Thanks, Chalcy From: Bejoy Ks [mailto:[EMAIL PROTECTED]] Sent: Tuesday, June 26, 2012 9:22 AM To: [EMAIL PROTECTED] Subje...
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Author: Chalcy Raja,
2012-06-26, 15:17
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hive - snappy and sequence file vs RC file - Hive - [mail # user]
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...Hi Hive users, We are going to use snappy for compression. What is the best file format, sequence file or RC file? Both are splittabl e and therefore will work well ...
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Author: Chalcy Raja,
2012-06-26, 13:05
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RE: Loading files from a directory - Hive - [mail # user]
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...Hi Mayank, Hive load can go only one directory deep. You cannot load directory of dir ectory of files. Thanks, CHalcy From: Jasper Knulst [mailto:[EMAIL PROTECTED]] S...
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Author: Chalcy Raja,
2012-06-21, 13:56
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sqoop import into hive shows more rows RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...Hi, When sqoop importing into hive with snappy compression and as sequence file , the number of rows imported is shown correctly in the logging(12/06/21 09 o count(*) on the hive table...
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Author: Chalcy Raja,
2012-06-21, 13:49
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RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...Describe formatted tablename is a great DDL. For one table sqoop imported into hive table as sequence file, I see the me tadata starts with "SEQ-!". I created anoth...
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Author: Chalcy Raja,
2012-06-19, 12:22
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RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...I did figure out how to compress data from an uncomressed data in hive tabl e. I also created a table as sequence file format. Is there a way to know if a hive table (hdfs...
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Author: Chalcy Raja,
2012-06-19, 01:32
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RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...Snappy with sequence file works well for us. We'll have to decide which on e suits our needs. Is there a way to convert exiting hdfs in text format to convert to sequenc e...
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Author: Chalcy Raja,
2012-06-18, 19:28
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RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...It is there. I have io.compression.codecs in core-site.xml. There is not error or warn in the sqoop to hive import which indicates anything. The only reason we...
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Author: Chalcy Raja,
2012-06-18, 17:46
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RE: sqoop, hive and lzo and cdh3u3 - not creating in index automatically - Hive - [mail # user]
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...Hi Bejoy, The weird thing is I did not get any errors. The sqoop import will not go to the second phase where it creates lzo index. We did deploy the native libraries...
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Author: Chalcy Raja,
2012-06-18, 14:31
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