GitHub user QiangCai opened a pull request:
https://github.com/apache/carbondata/pull/2832
[CARBONDATA-3021][Streaming] Fix unsupported data type exception for
streaming
Background:
when spark uses Kryo serialization, streaming app throws the exception
"Unsupported data type".
Root cause:
1. collect the data type list to driver side from executor side.
2. when using Kryo, datatype single instances are not working.
Solution:
don't collect measure data type list from executor side to avoid
serialization.
- [x] Any interfaces changed?
no
- [x] Any backward compatibility impacted?
no
- [x] Document update required?
no
- [x] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests
are required?
- How it is tested? Please attach test report.
- Is it a performance related change? Please attach the performance
test report.
- Any additional information to help reviewers in testing this
change.
use old test case to test it.
- [x] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
small
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/QiangCai/carbondata streaming_measure_datatype
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2832.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 #2832
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commit 36d72749632cb872907476592e8e8126bd298579
Author: QiangCai <qiangcai@...>
Date: 2018-10-18T02:56:13Z
fix unsupported data type exception for streaming
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