tverdokhlebd opened a new issue #1491:
URL: https://github.com/apache/hudi/issues/1491


   Hello. I have config:
   
   docker run --rm -v 
/var/lib/jenkins-slave/workspace/Transfer_ml_data_to_s3_hudi:/var/lib/jenkins-slave/workspace/Transfer_ml_data_to_s3_hudi
 
   -v /mnt/ml_data:/mnt/ml_data bde2020/spark-master:2.4.5-hadoop2.7 
   bash ./spark/bin/spark-submit 
   --master 'local[2]' 
   --packages 
org.apache.hudi:hudi-spark-bundle_2.11:0.5.2-incubating,org.apache.hadoop:hadoop-aws:2.7.3,org.apache.spark:spark-avro_2.11:2.4.4
 
   --conf spark.local.dir=/mnt/ml_data 
   --conf spark.ui.enabled=false 
   --conf spark.driver.memory=4g 
   --conf spark.driver.memoryOverhead=1024 
   --conf spark.driver.maxResultSize=2g 
   --conf spark.kryoserializer.buffer.max=512m 
   --conf spark.serializer=org.apache.spark.serializer.KryoSerializer 
   --conf spark.rdd.compress=true 
   --conf spark.shuffle.service.enabled=true 
   --conf spark.sql.hive.convertMetastoreParquet=false 
   --conf spark.executorEnv.hudi.outputPath=s3a://ir-mtu-ml-bucket/ml_hudi 
   --conf spark.executorEnv.hudi.tableName=ext_ml_data 
   --conf spark.executorEnv.hudi.recordKey=tds_cid 
   --conf spark.executorEnv.hudi.precombineKey=hit_timestamp 
   --conf spark.executorEnv.hudi.parallelism=8
   --conf spark.executorEnv.hudi.bulkInsertParallelism=8
   --class mtu.spark.analytics.ExtMLDataToS3
   
   I do:
   
   1. Bulk insert from Vertica to s3 storage with 53M records;
   2. Upsert from Vertica to the same s3 storage with the same 53M records;
   
   I received various errors during three tries:
   
   - java.util.concurrent.TimeoutException: Cannot receive any reply from 
c3dcd5b0c2ab:41498 in 10000 milliseconds
   - java.lang.OutOfMemoryError: Java heap space
   - The java.lang.OutOfMemoryError: GC overhead limit exceeded error
   
   I have read "Tunning guide" and tried to tune some technics - memory 
fractions (Decreased from default values), off-heap parameters, collector, 
parallelism and etc. I also increased driver memory from 4GB to 10GB, but it 
also does not help me.
   
   Stack trace with heap space 
https://drive.google.com/open?id=1-Kerkt2j-z_0zXal01rha55j1NzsxYto


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