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Re: Counting large numbers of unique values - Drill - [mail # user]
...Drill already does most of this type of transformation.  If you do an'EXPLAIN PLAN FOR 'you will see that it first does a grouping on the column and then appliesthe COUNT(column).  ...
   Author: Aman Sinha, 2015-04-07, 15:12
[DRILL-2594] Web UI visualized plan may show incorrect plan due to rearranging - Drill - [issue]
...For large enough query plans (such as TPCH query 8), the visualized plan in the Web UI  shows the inputs of a HashJoin as swapped whereas in the actual plan it is the correct order....
http://issues.apache.org/jira/browse/DRILL-2594    Author: Aman Sinha, 2015-04-06, 19:35
[DRILL-2596] CTAS  plan should be shown in the Web UI - Drill - [issue]
...Currently when a CTAS statement is run, the plan gets generated but is not stored in the profiles and the web UI physical plan/visual plan tabs are empty.  This makes it problematic to ...
http://issues.apache.org/jira/browse/DRILL-2596    Author: Aman Sinha, 2015-04-04, 04:11
[DRILL-1308] CannotPlanException for TPC-DS query 8 due to large IN-list and Intersect operation - Drill - [issue]
...On TPC-DS query 8 gives a CannotPlanException.  This is due to 2 reasons:   1.  Large (>= 20 items) IN-list for which we need a ValuesOperator implementation 2. &...
http://issues.apache.org/jira/browse/DRILL-1308    Author: Aman Sinha, 2015-04-03, 00:54
[DRILL-2029] All readers should show the filename where it encountered error.  If possible, also position - Drill - [issue]
...The Parquet reader (and possibly other file system readers) may encounter an error (e.g an IndexOutOfBounds)  while reading one out of hundreds or thousands of files in a directory. &nb...
http://issues.apache.org/jira/browse/DRILL-2029    Author: Aman Sinha, 2015-04-02, 19:39
[DRILL-2664] StreamingAggregate encounters AssertionError due to outgoing batch being full - Drill - [issue]
...Running the following query on TPCH SF 1 encounters AssertionError:  alter session set `planner.enable_hashagg` = false; select l_partkey, l_suppkey from lineitem l  wher...
http://issues.apache.org/jira/browse/DRILL-2664    Author: Aman Sinha, 2015-04-02, 06:51
[expand - 1 more] - Re: CSV header issue - Drill - [mail # user]
...The exact release date depends on a variety of factors - I will let folkswho manage the release timeline chime in.On Wed, Apr 1, 2015 at 11:19 PM, Mahesh Sankaran wrote: ...
   Author: Aman Sinha, 2015-04-02, 06:34
[DRILL-1449] CTAS in JSON format creates a table even when the SELECT query fails - Drill - [issue]
...When a CTAS command fails for any reason, it should not create the target  table. It appears that when the storage output format is JSON,  we end up creating an empty table.  ...
http://issues.apache.org/jira/browse/DRILL-1449    Author: Aman Sinha, 2015-04-01, 20:18
[expand - 3 more] - Re: [VOTE] Release Apache Drill 0.8.0 (rc1) - Drill - [mail # dev]
...It looks like DRILL-2458 is tagged for 0.9, not 0.8, so the patch never gotincluded in the 0.8 release.   I think we should either include it (andverify it resolves the issue) or disabl...
   Author: Aman Sinha, 2015-03-28, 17:54
[DRILL-2568] New partition pruning prevents the optimization for trivial COUNT(*) queries - Drill - [issue]
...With the new interpreter based partition pruning,  if the query has only partition filters and they are pushed into the Scan, we don't drop the Filter node from the plan. This prevents ...
http://issues.apache.org/jira/browse/DRILL-2568    Author: Aman Sinha, 2015-03-28, 08:01
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NEW: Monitor These Apps!
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