[SPARK-22993] checkpointInterval param doc should be clearer

• Type: Documentation
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.3.0
• Component/s: ML
• Assignee: Seth Hendrickson
• Reporter: Seth Hendrickson
• Created: 08/Jan/18 20:28
• Updated: 17/Jan/18 21:55
• Resolved: 15/Jan/18 11:42

Description

several algorithms use the shared parameter HasCheckpointInterval (ALS, LDA, GBT), each of which silently ignores the parameter when the checkpoint directory is not set on the spark context. This should be documented in the param doc.

Issue Links

• links to: [Github] Pull Request #20188 (sethah)