[jira] [Updated] (FLINK-33611) Support Large Protobuf Schemas
[ https://issues.apache.org/jira/browse/FLINK-33611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sai Sharath Dandi updated FLINK-33611: -- Summary: Support Large Protobuf Schemas (was: Add the ability to reuse variable names across different split method scopes) > Support Large Protobuf Schemas > -- > > Key: FLINK-33611 > URL: https://issues.apache.org/jira/browse/FLINK-33611 > Project: Flink > Issue Type: Improvement > Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile) >Affects Versions: 1.18.0 >Reporter: Sai Sharath Dandi >Assignee: Sai Sharath Dandi >Priority: Major > > h3. Background > Flink serializes and deserializes protobuf format data by calling the decode > or encode method in GeneratedProtoToRow_XXX.java generated by codegen to > parse byte[] data into Protobuf Java objects. FLINK-32650 has introduced the > ability to split the generated code to improve the performance for large > Protobuf schemas. However, this is still not sufficient to support some > larger protobuf schemas as the generated code exceeds the java constant pool > size [limit|https://en.wikipedia.org/wiki/Java_class_file#The_constant_pool] > and we can see errors like "Too many constants" when trying to compile the > generated code. > *Solution* > Since we already have the split code functionality already introduced, the > main proposal here is to now reuse the variable names across different split > method scopes. This will greatly reduce the constant pool size. One more > optimization is to only split the last code segment also only when the size > exceeds split threshold limit. Currently, the last segment of the generated > code is always being split which can lead to too many split methods and thus > exceed the constant pool size limit -- This message was sent by Atlassian Jira (v8.20.10#820010)
[jira] [Updated] (FLINK-33611) Support Large Protobuf Schemas
[ https://issues.apache.org/jira/browse/FLINK-33611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated FLINK-33611: --- Labels: pull-request-available (was: ) > Support Large Protobuf Schemas > -- > > Key: FLINK-33611 > URL: https://issues.apache.org/jira/browse/FLINK-33611 > Project: Flink > Issue Type: Improvement > Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile) >Affects Versions: 1.18.0 >Reporter: Sai Sharath Dandi >Assignee: Sai Sharath Dandi >Priority: Major > Labels: pull-request-available > > h3. Background > Flink serializes and deserializes protobuf format data by calling the decode > or encode method in GeneratedProtoToRow_XXX.java generated by codegen to > parse byte[] data into Protobuf Java objects. FLINK-32650 has introduced the > ability to split the generated code to improve the performance for large > Protobuf schemas. However, this is still not sufficient to support some > larger protobuf schemas as the generated code exceeds the java constant pool > size [limit|https://en.wikipedia.org/wiki/Java_class_file#The_constant_pool] > and we can see errors like "Too many constants" when trying to compile the > generated code. > *Solution* > Since we already have the split code functionality already introduced, the > main proposal here is to now reuse the variable names across different split > method scopes. This will greatly reduce the constant pool size. One more > optimization is to only split the last code segment also only when the size > exceeds split threshold limit. Currently, the last segment of the generated > code is always being split which can lead to too many split methods and thus > exceed the constant pool size limit -- This message was sent by Atlassian Jira (v8.20.10#820010)
