Xiangrui Meng created SPARK-1855:
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Summary: Provide memory-and-local-disk RDD checkpointing
Key: SPARK-1855
URL: https://issues.apache.org/jira/browse/SPARK-1855
Project: Spark
Issue Type: New Feature
Components: MLlib, Spark Core
Affects Versions: 1.0.0
Reporter: Xiangrui Meng
Checkpointing is used to cut long lineage while maintaining fault tolerance.
The current implementation is HDFS-based. Using the BlockRDD we can create
in-memory-and-local-disk (with replication) checkpoints that are not as
reliable as HDFS-based solution but faster.
It can help applications that require many iterations.
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