Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/288#discussion_r11222159
--- Diff: core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
---
@@ -64,6 +64,11 @@ private[spark] class Worker(
val REGISTRATION_TIMEOUT = 20.seconds
val REGISTRATION_RETRIES = 3
+ // How often worker will clean up old app folders
+ val CLEANUP_INTERVAL_MILLIS =
conf.getLong("spark.worker.cleanup_interval", 60 * 30) * 1000
+ // TTL for app folders/data; after TTL expires it will be cleaned up
+ val APP_DATA_RETENTION_SECS = conf.getLong("spark.worker.app_data_ttl",
7 * 24 * 3600)
+
--- End diff --
For Spark configuration we use camel case: see
http://spark.apache.org/docs/0.9.0/configuration.html
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