for i in range(0, len(li)): names.append(li[i].name) if work_name not in names: print("作业%s不存在..." % work_name) return for i in range(0, len(li)): p = li[i] if == work_name: p.state = 1 # 状态设为未分配 target = i # 记录该分区的位置 = 0 # 名称设置为...
因此务必将partitionBy()的结果持久化,并保存为一个新的RDD。第二是参数numPartitions表示分区数,同时也会控制这个RDD后面操作的并行任务数,因此这个值一般和集群中的总核心数一致。 PySpark也支持自定义的分区方式,只要将自定义的哈希函数作为参数传递给partitionBy()就可以了。比如仅根据uid的最后两位进行哈希: def ...
方法1 使用 sys 库 import sys sys._getframe().f_code.co_name 方法2 使用 inspect 库 ...
问Repartition()导致spark作业失败EN1 将sample.log的数据发送到Kafka中，经过Spark Streaming处理，将数据...
AWS Glue Pyspark Hudi write job fails to retrieve files in partition folder, although the files exist The failure happens when the job was trying to perform Async cleanup. To Reproduce Steps to reproduce the behavior: Write to a partitio...
rx_exec_by rx_get_compute_context rx_get_info rx_get_job_info rx_get_job_output rx_get_job_results rx_get_jobs rx_get_job_status rx_get_partitions rx_get_pyspark_connection rx_get_var_info rx_get_var_names rx_import RxInSqlServer ...
AWS Glue 4.0 supports Iceberg tables registered with Lake Formation. In the AWS Glue ETL jobs, you need the following code toenable the Iceberg framework: fromawsglue.contextimportGlueContextfrompyspark.contextimportSparkContextfrompyspark.confimportSparkConf ...
Pyspark - overwrite mode in parquet deletes the other, Now when i run a spark script that needs to overwrite only specific partitions by using the below line , lets say the partitions for year=2020 and month=1 and dates=2020-01-01 and 2020-01-02 : df_final.write.partitionBy ( [ [...
pyspark Spark使用partitionBy写入parquet，并在自己的临时工作空间中抛出FileAlreadyExistsException好吧，经过...
pyspark Spark 中 的 bucketBy 和 partitionBy 有 什么 区别 ？我猜，在第一种情况下，bucketBy创建...