MaxGekk commented on a change in pull request #27366:
URL: https://github.com/apache/spark/pull/27366#discussion_r443525813



##########
File path: sql/core/benchmarks/CSVBenchmark-jdk11-results.txt
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@@ -6,62 +6,62 @@ OpenJDK 64-Bit Server VM 11.0.7+10-post-Ubuntu-2ubuntu218.04 
on Linux 4.15.0-106
 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 Parsing quoted values:                    Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 
------------------------------------------------------------------------------------------------------------------------
-One quoted string                                 46568          46683         
198          0.0      931358.6       1.0X
+One quoted string                                 53332          53484         
194          0.0     1066633.5       1.0X

Review comment:
       The size of files w/ data is ~4GB, probably it doesn't fit to memory and 
causes spilling/GC or something like this. 




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