The Cloud Spanner connector uses a custom serialization system for MutationGroup objects
Java serialization is much more efficient than the custom serialization system used by MutationGroupEncode -- in both speed, and space: the encoded byte arrays are 1/10th of the size. This PR replaces the custom serialization with a simple Java serialization using the Beam SerializableCoder class. @chamikaramj Post-Commit Tests Status (on master branch) ------------------------------------------------------------------------------------------------ Lang | SDK | Apex | Dataflow | Flink | Gearpump | Samza | Spark --- | --- | --- | --- | --- | --- | --- | --- Go | [](https://builds.apache.org/job/beam_PostCommit_Go_GradleBuild/lastCompletedBuild/) | --- | --- | --- | --- | --- | --- Java | [](https://builds.apache.org/job/beam_PostCommit_Java_GradleBuild/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow_Gradle/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink_Gradle/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump_Gradle/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza_Gradle/lastCompletedBuild/) | [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark_Gradle/lastCompletedBuild/) Python | [](https://builds.apache.org/job/beam_PostCommit_Python_Verify/lastCompletedBuild/) | --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/) </br> [](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/) | --- | --- | --- | --- [ Full content available at: https://github.com/apache/beam/pull/6407 ] This message was relayed via gitbox.apache.org for [email protected]
