+# Test of using full segment fetches instead of range requests
+#BLUESKY_TARGET=s3:mvrable-bluesky-west
+#BLUESKY_OPT_FULL_SEGMENTS=1
+#run_spec s3-west-fullseg sfs_bluesky
+
+# Run a simulation of not using a log-structured system at all
+#BLUESKY_TARGET=s3:mvrable-bluesky-west
+#BLUESKY_EXTRA_OPTS="BLUESKY_OPT_FULL_SEGMENTS=1 BLUESKY_OPT_NO_AGGREGATION=1"
+#run_spec s3-west-noseg sfs_bluesky
+
+# Standard test with Azure instead of Amazon S3 for storage
+#BLUESKY_TARGET=azure
+#run_spec azure sfs_bluesky
+
+# BlueSky, testing with a greater degree of parallelism
+#BLUESKY_TARGET=s3:mvrable-bluesky-west
+#BLUESKY_EXTRA_OPTS="BLUESKY_OPT_NO_CRYPTO=1"
+#run_spec s3-west-hi32 sfs_bluesky-hi
+
+#BLUESKY_TARGET=native
+#run_spec native-hi8 sfs_bluesky-hi
+