pyspark.sql.DataFrame.checkpoint¶
-
DataFrame.
checkpoint
(eager: bool = True) → pyspark.sql.dataframe.DataFrame¶ Returns a checkpointed version of this
DataFrame
. Checkpointing can be used to truncate the logical plan of thisDataFrame
, which is especially useful in iterative algorithms where the plan may grow exponentially. It will be saved to files inside the checkpoint directory set withSparkContext.setCheckpointDir()
.- Parameters
- eagerbool, optional
Whether to checkpoint this
DataFrame
immediately
Notes
This API is experimental.