Dandandan commented on code in PR #3889:
URL: https://github.com/apache/arrow-datafusion/pull/3889#discussion_r999591291


##########
benchmarks/src/bin/tpch.rs:
##########
@@ -98,6 +98,10 @@ struct DataFusionBenchmarkOpt {
     /// Path to output directory where JSON summary file should be written to
     #[structopt(parse(from_os_str), short = "o", long = "output")]
     output_path: Option<PathBuf>,
+
+    /// Whether to disable collection of statistics (and cost based 
optimizations) or not.
+    #[structopt(short = "S", long = "disable-statistics")]

Review Comment:
   There is no current "continuous benchmarking" in place for this. If that 
would be the case, it would make sense to run the benchmarks both with and 
without collecting statistics.
   
   Anyway, good that we can enable / disable them 👍 



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