BestOreo commented on issue #24720: [SPARK-27852][Spark Core] updateBytesWritten() operaton is missed URL: https://github.com/apache/spark/pull/24720#issuecomment-496216253 > This would make it update metrics on every write. It appears this is purposely done only every 16,000 _records_ for this reason. ` override def write(kvBytes: Array[Byte], offs: Int, len: Int): Unit = { if (!streamOpen) { open() } bs.write(kvBytes, offs, len) updateBytesWritten() // the function is missed } ` In this write function, there isn't any work to update metrics or records.
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