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[PIG-2784] Framework for dynamic query optimization - Pig - [issue]
...We need a framework to implement dynamic query optimization, i.e. changing the query plan at runtime. Currently we support estimating the number of reducers dynamically, which works well as ...
http://issues.apache.org/jira/browse/PIG-2784    Author: Jie Li, 2014-05-12, 19:17
When is the status of isr updated - Kafka - [mail # user]
...Hello,We observed in some cases the isr were outdated: healthy brokers may bemissing from isr, or dead brokers may still stay in isr for a while.  Myguess is the list of isr is only upd...
   Author: Jie Li, 2014-03-26, 05:07
[expand - 1 more] - Re: Some brokers taking a long time to restart - Kafka - [mail # user]
...Thanks will make a note of this and find the log later.On Tue, Mar 25, 2014 at 8:58 PM, Neha Narkhede wrote: ...
   Author: Jie Li, 2014-03-26, 05:03
Support for Amazon Redshift - Sqoop - [mail # user]
...Hi all,  I'm wondering if we have some plan to support Amazon Redshift?  We've benefited a lot from its superior performance, but our manual ETL process is not going to scale with ...
   Author: Jie Li, 2013-10-30, 01:03
[HIVE-5592] Add an option to convert enum as struct<value:int> as of Hive 0.8 - Hive - [issue]
...HIVE-3323 introduced the incompatible change: Hive handling of enum types has been changed to always return the string value rather than struct<value:int>. But it didn't add the option...
http://issues.apache.org/jira/browse/HIVE-5592    Author: Jie Li, 2013-10-22, 03:19
Re: Can a bucket be added to a partition? - Hive - [mail # user]
...I tried this interesting idea but also felt a little confusing.  I guess you'll need to change the table schema so that it has both buckets and partitions.  And to take advantage o...
   Author: Jie Li, 2013-05-02, 04:38
Re: Huge join performance issue - Hive - [mail # user]
...In order for us to understand the performance and identify the bottlenecks, could you do two things:  1) run the EXPLAIN command and share with us the output 2) share with us the hadoop...
   Author: Jie Li, 2013-04-27, 18:14
[PIG-2736] Support implicit cast from bytearray to boolean - Pig - [issue]
...a = load 'allscalar10k' as (name, age, gpa, instate);b = filter a by instate==TRUE;dump b; Error:In alias b, incompatible types in Equal Operator left hand side:bytearray right hand side:bo...
http://issues.apache.org/jira/browse/PIG-2736    Author: Jie Li, 2013-02-22, 04:54
Hive Operator Counters - Hive - [mail # user]
...Hi all,  Does anyone notice that the operator counters are not properly maintained? They are useful for understanding the query plan and execution, e.g how many rows each operator is pr...
   Author: Jie Li, 2013-02-06, 05:36
[PIG-2661] Pig uses an extra job for loading data in Pigmix L9 - Pig - [issue]
...See https://issues.apache.org/jira/browse/PIG-200?focusedCommentId=13260155&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13260155...
http://issues.apache.org/jira/browse/PIG-2661    Author: Jie Li, 2013-02-04, 17:43
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