Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/15556#discussion_r84129012
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/ReplayListenerBus.scala ---
@@ -43,19 +43,25 @@ private[spark] class ReplayListenerBus extends
SparkListenerBus with Logging {
* @param sourceName Filename (or other source identifier) from whence
@logData is being read
* @param maybeTruncated Indicate whether log file might be truncated
(some abnormal situations
* encountered, log file might not finished writing) or not
+ * @param eventsFilter Filter function to select JSON event strings in
the log data stream that
+ * should be parsed and replayed. When not specified, all event
strings in the log data
+ * are parsed and replayed.
*/
def replay(
logData: InputStream,
sourceName: String,
- maybeTruncated: Boolean = false): Unit = {
+ maybeTruncated: Boolean = false,
+ eventsFilter: (String) => Boolean = (s: String) => true): Unit = {
var currentLine: String = null
var lineNumber: Int = 1
try {
val lines = Source.fromInputStream(logData).getLines()
--- End diff --
Ah right. Still it seems like a case where `zipWithIndex` would be easier,
followed by `filter`? While we're at it here.
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