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Re: How to merge the output file when insert data into a table - Hive - [mail # user]
...HiIf its an rcfile you can use "alter table tablename concatenate" to merge them into 1 file. For text files, you can may have to reload these 2 files into another table with "Order By". Thi...
   Author: Prasanth Jayachandran, 2014-08-28, 16:44
Re: ORC String error - Hive - [mail # user]
...HiMy suspicion for the error is because of this issue https://issues.apache.org/jira/browse/HIVE-6320Applying this patch should resolve the issue. The alternative workaround would to “set hi...
   Author: Prasanth Jayachandran, 2014-08-11, 06:50
Re: High performance Count Distinct - NO Error - Hive - [mail # user]
...Keep an eye on https://issues.apache.org/jira/browse/HIVE-7402 for probabilistic count distinct UDAF.  Prototype implementation is here https://github.com/t3rmin4t0r/hive-hll-udf/This u...
   Author: Prasanth Jayachandran, 2014-08-06, 18:25
Re: ORC File IndexOutOfBoundsException error when PPD enabled - Hive - [mail # user]
...This is probably causing the issue https://issues.apache.org/jira/browse/HIVE-6320It is fixed in hive 0.13 and trunk.. If you are using older version you probably want to backport this small...
   Author: Prasanth Jayachandran, 2014-08-05, 19:27
Re: ORC file block size - Hive - [mail # dev]
...In hive-0.14, block size is configurable. It is no more twice the value of stripe size. ThanksPrasanthCONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or ...
   Author: Prasanth Jayachandran, 2014-07-25, 23:16
Re: CREATE TABLE throwing error for large number of columns (very long script) - Hive - [mail # user]
...What version of hive are you using? What file format are you using?ThanksPrasanth JayachandranOn Jul 24, 2014, at 5:03 PM,   wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended...
   Author: Prasanth Jayachandran, 2014-07-25, 00:08
Re: Reg:Column Statistics with Parquet - Hive - [mail # user]
...You have to explicit specifics column list in analyze command for gathering columns stats.This command will only collect basic stats like number of rows, total file size, raw data size, numb...
   Author: Prasanth Jayachandran, 2014-07-24, 18:20
Re: select list for dynamic partition insert - Hive - [mail # user]
...From the error msg it looks like there are too many distinct values in partition column. Try increasing the count hive.exec.max.dynamic.partitions.pernode to a number >100. If you already...
   Author: Prasanth Jayachandran, 2014-07-22, 20:13
Re: hive 13: dynamic partition inserts - Hive - [mail # dev]
...Hi VishnuYes. There is change in the way dynamic partitions are inserted in hive 13. The new dynamic partitioning is highly scalable and uses very less memory. Here is the related JIRA  ...
   Author: Prasanth Jayachandran, 2014-07-22, 18:28
Re: ORC with bloom filters - Hive - [mail # user]
...ORC does not have bloom filters yet.ThanksPrasanth JayachandranOn Jul 17, 2014, at 10:23 PM, Suma Shivaprasad  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use o...
   Author: Prasanth Jayachandran, 2014-07-18, 05:36
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