Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/6935#discussion_r46997864
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala ---
@@ -678,6 +827,54 @@ private[history] class FsHistoryProvider(conf:
SparkConf, clock: Clock)
method.invoke(dfs, action).asInstanceOf[Boolean]
}
+ /**
+ * String description for diagnostics
+ * @return a summary of the component staet
+ */
+ override def toString: String = {
+ val header = s"""
+ | FsHistoryProvider: logdir=$logDir,
+ | last scan time=$lastScanTime
+ | Cached application count =${applications.size}}
+ |
+ """.stripMargin
+ val sb = new StringBuilder(header)
+ applications.foreach(entry => sb.append(entry._2).append("\n"))
+ sb.toString
+ }
+
+ /**
+ * Probe for an update to an (incompleted) application.
+ *
+ * @param appId application ID
+ * @param attemptId optional attempt ID
+ * @param updateTimeMillis time in milliseconds to use as the threshold
for an update.
+ * @param data an [[FsHistoryProviderUpdateState]]
+ * @return true if the attempt has been updated.
+ */
+ override def isUpdated(appId: String,
--- End diff --
nit: each arg on its own line
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