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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/02/04 08:27:50 UTC
[GitHub] [flink] dianfu opened a new pull request #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
dianfu opened a new pull request #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014
## What is the purpose of the change
*Currently, the Python UDF execution results are deserialized and then buffered in a collection when received from the Python worker. The deserialization could be deferred when sending the execution results to the downstream operator. That's to say, it buffers the serialized bytes instead of the deserialized Java objects in the buffer. This could reduce the memory footprint of the Java operator.*
## Brief change log
- *Update AbstractPythonFunctionRunner to not deserialize the UDF execution results when received from the Python worker*
- *The UDF execution results are deserialized in PythonScalarFunctionOperator when sending them out to the downstream operator*
## Verifying this change
This change is an improvement and is already covered by existing tests, such as *test_udf.py*.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
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[GitHub] [flink] hequn8128 commented on issue #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
hequn8128 commented on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-582861157
@dianfu Thanks a lot for the improvement. Merging...
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] dianfu commented on issue #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
dianfu commented on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-582779153
@flinkbot run travis
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] hequn8128 merged pull request #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
hequn8128 merged pull request #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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[GitHub] [flink] flinkbot commented on issue #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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[GitHub] [flink] flinkbot commented on issue #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581796239
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## Automated Checks
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## Review Progress
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[GitHub] [flink] hequn8128 commented on issue #11014: [FLINK-15897][python]
Defer the deserialization of the Python UDF execution results
Posted by GitBox <gi...@apache.org>.
hequn8128 commented on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-582686934
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
* 5aab38e43400c7e027291a7c4e0affebc6b681a9 Travis: [SUCCESS](https://travis-ci.com/flink-ci/flink/builds/147341039) Azure: [SUCCESS](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=4811)
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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[GitHub] [flink] flinkbot edited a comment on issue #11014:
[FLINK-15897][python] Defer the deserialization of the Python UDF execution
results
Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #11014: [FLINK-15897][python] Defer the deserialization of the Python UDF execution results
URL: https://github.com/apache/flink/pull/11014#issuecomment-581811463
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## CI report:
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