avantgardnerio commented on code in PR #2741:
URL: https://github.com/apache/arrow-datafusion/pull/2741#discussion_r901166971


##########
benchmarks/tpch-gen.sh:
##########
@@ -21,14 +21,15 @@
 pushd ..
 . ./dev/build-set-env.sh
 popd
-docker build -t datafusion-tpchgen:$DATAFUSION_VERSION -f tpchgen.dockerfile .
+
+docker build  -f tpchgen.dockerfile -t datafusion-tpchgen:$DATAFUSION_VERSION .
 
 # Generate data into the ./data directory if it does not already exist
 FILE=./data/supplier.tbl
 if test -f "$FILE"; then
     echo "$FILE exists."
 else
   mkdir data 2>/dev/null
-  docker run -v `pwd`/data:/data -it --rm 
datafusion-tpchgen:$DATAFUSION_VERSION

Review Comment:
   This change specifically breaks the volume mount for me. It appears the 
docker syntax expects the `imagename:version args` to come last, and putting it 
before the `-v` causes the `-v` to be interpreted as an argument to the script, 
not a volume mount. As such, the files are generated into an unbound volume and 
deleted when the container is destroyed.



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