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Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2022/03/26 15:03:22 UTC

[GitHub] [hudi] xiarixiaoyao commented on pull request #5137: [HUDI-3719] High performance costs of AvroSerizlizer in DataSource wr…

xiarixiaoyao commented on pull request #5137:
URL: https://github.com/apache/hudi/pull/5137#issuecomment-1079711532


   @xushiyan  @YannByron  @leesf  @alexeykudinkin 
   could you pls help me review this pr, thanks
   
   its a serious bug
   before pacth: 295553 ms
   after patch: 5279 ms
   ```
       val dfx = spark.range(0, 50000000).toDF("id")
         .withColumn("c1", lit("dsfsdfsafsasdfa"))
         .withColumn("c2", lit(12.99d))
         .withColumn("c3", lit(1))
   
       val avroSchemax = AvroConversionUtils.convertStructTypeToAvroSchema(dfx.schema, "record", "my")
       val sparkSchema = dfx.schema
       spark.sparkContext.getConf.registerAvroSchemas(avroSchemax)
   
       val testRDD = HoodieSparkUtils.createRdd(dfx,"record", "my", Some(avroSchemax))
   
   // warm up
       dfx.count()
       spark.time(testRDD.foreach(f => f))
   ```


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