Update perf.md

bbc24192 · 박준형 · 9eeb750f · bbc24192
Commit bbc24192 authored Jul 20, 2022 by 박준형
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code_perf.md code_perf.md +3 -1

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--- a/perf.md
+++ b/perf.md
+
+
 spark.conf.set("spark.sql.files.maxPartitionBytes", 1024 * (1024 * 256))
-    val df = spark.read.option("header", "true")
+val df = spark.read.option("header", "true")
      .option("io.compression.codecs", "nl.basjes.hadoop.io.compress.SplittableGzipCodec")
      .schema(schema).csv(fileName)
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