Broadcast Variables
{"Image DocumentName": "Broadcast Variables", "Image ImageDescription": "When one creates a broadcast variable b with a value v, v is saved to a file in a shared file system. The serialized form of b is a path to this file. When b\u2019s value is queried on a worker node, Spark first checks whether v is in a local cache, and reads it from the file system if it isn\u2019t.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}