GitHub user foryou2030 opened a pull request:
https://github.com/apache/incubator-carbondata/pull/112
Add statistics for counting the size of the query result
Why rasie this pr?
Users want to know the total records send by carbon to spark .
How to solve?
add count statistics in the iterator
How to test?
running query, and check the executor logs, it will print like the
following:
`2016-08-31 15:01:27,270 | STATISTIC | [[Executor task launch
worker-70][partitionID:automation;queryID:2421028889045981_0]] | The record
numbers of query result for the taskid : 2421028889045981_0 Is : 13 |
org.apache.carbondata.common.logging.impl.StandardLogService.statistic(StandardLogService.java:238)`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/foryou2030/incubator-carbondata record_num
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-carbondata/pull/112.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #112
----
commit 720f5e7b5d6b8fa2449d7f890d488c201c541753
Author: foryou2030 <foryou2...@126.com>
Date: 2016-08-31T08:40:36Z
add statistics for the number of records
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