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[expand - 2 more] - orc ppd bug report - Hive - [mail # user]
...Recently we find a bug with orc ppd,  here is the testcase:use test;create table if not exists test_orc_src (a int, b int, c int)stored as orc;create table if not exists test_orc_src2 (...
   Author: wzc, 2015-01-04, 23:04
Re: Hivemetastore Error: Duplicate entry - Hive - [mail # user]
...We also encounter this problem. It seems that it happens invarious situations. Currently we patchhttps://issues.apache.org/jira/browse/HIVE-7167 which has some retrieslogics in init HiveMeta...
   Author: wzc, 2014-10-20, 13:19
"user" as table alias is not allowed in hive 0.13 - Hive - [mail # user]
...We just upgrade our hive from hive 0.11 to hive 0.13,  we find that running "select * from src1 user limit 5;" in hive 0.13 report thefollowing errors:I don't know why "user" would...
   Author: wzc, 2014-10-01, 01:08
Re: doubt about locking mechanism in Hive - Hive - [mail # user]
...Hi,We also encounter this in hive 0.13 , we need to enable concurrency  indaily ETL workflows (to avoid sub etl start to read parent etl 's outputwhile it's still running).We found that...
   Author: wzc, 2014-09-09, 07:26
Re: hive unit test report question - Hive - [mail # dev]
...hi all: I would like to create a jenkins job to run both hive ut and integrationtest. Right now it seems that I have to execute mulitple maven goals indifferent poms:mvn clean install &...
   Author: wzc, 2014-09-07, 02:13
[expand - 2 more] - change column type of orc table will throw exception in query time - Hive - [mail # user]
...hi, Currently, if we change orc format hive table using "alter table orc_tablechange c1 c1 bigint ", it will throw exception  from SerDe("org.apache.hadoop.io.IntWritablecannot be ...
   Author: wzc, 2014-07-30, 20:57
OutOfMemoryError during reduce shuffle while reading Orc file - Hive - [mail # user]
...Recently we are changing some data warehouse tables from textfile to orcformat. Some of our hive SQL which read these orc tables failed at reducestage. Reducers failed while copying Map outp...
   Author: wzc, 2014-05-15, 20:06
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB