Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/15285#discussion_r83286425
--- Diff:
core/src/main/scala/org/apache/spark/deploy/worker/ui/LogPage.scala ---
@@ -115,6 +117,17 @@ private[ui] class LogPage(parent: WorkerWebUI) extends
WebUIPage("logPage") with
UIUtils.basicSparkPage(content, logType + " log page for " + pageName)
}
+ private val UNCOMPRESSED_FILE_LENGTH_CACHE_SIZE = 100
+ // Cache the file size, since it is expensive to compute the
uncompressed file size.
+ private val uncompressedFileLengthCache = CacheBuilder.newBuilder()
+ .maximumSize(UNCOMPRESSED_FILE_LENGTH_CACHE_SIZE)
--- End diff --
This should be a conf. Look at how other confs are implemented in the
Worker. Probably Env variables.
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