Github user harishreedharan commented on a diff in the pull request:
https://github.com/apache/spark/pull/5792#discussion_r31580887
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala ---
@@ -219,6 +221,67 @@ private[history] class FsHistoryProvider(conf:
SparkConf, clock: Clock)
}
}
+ override def writeEventLogs(
+ appId: String,
+ attemptId: Option[String],
+ zipStream: ZipOutputStream): Unit = {
+
+ /**
+ * This method compresses the files passed in, and writes the
compressed data out into the
+ * [[OutputStream]] passed in. Each file is written as a new
[[ZipEntry]] with its name being
+ * the name of the file being compressed.
+ */
+ def zipFileToStream(file: Path, entryName: String, outputStream:
ZipOutputStream): Unit = {
+ val fs = FileSystem.get(hadoopConf)
+ val buffer = new Array[Byte](64 * 1024)
+ val inputStream = fs.open(file, 1 * 1024 * 1024) // 1MB Buffer
+ try {
+ outputStream.putNextEntry(new ZipEntry(entryName))
+ var dataRemaining = true
+ while (dataRemaining) {
--- End diff --
The only reason I didn't use it was because the buffer size seemed a bit
small at 4K.
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