diff --git a/build_tools/regression_build_test.sh b/build_tools/regression_build_test.sh
index b0140ef48..b0c130e3c 100755
--- a/build_tools/regression_build_test.sh
+++ b/build_tools/regression_build_test.sh
@@ -26,15 +26,20 @@ function cleanup {
 }
 
 trap cleanup EXIT
-git_br=$(basename $GIT_BRANCH)
+
+if [ -z $GIT_BRANCH ]; then
+  git_br=`git rev-parse --abbrev-ref HEAD`
+else
+  git_br=$(basename $GIT_BRANCH)
+fi
+
 if [ $git_br == "master" ]; then
   git_br=""
 else
   git_br="."$git_br
 fi
 
-make clean
-OPT=-DNDEBUG make db_bench -j$(nproc)
+make release
 
 # measure fillseq + fill up the DB for overwrite benchmark
 ./db_bench \
@@ -45,7 +50,8 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --num=$NUM \
     --writes=$NUM \
     --cache_size=6442450944 \
-    --cache_numshardbits=6 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
     --open_files=55000 \
     --statistics=1 \
     --histogram=1 \
@@ -60,9 +66,10 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --use_existing_db=1 \
     --bloom_bits=10 \
     --num=$NUM \
-    --writes=$((NUM / 2)) \
+    --writes=$((NUM / 10)) \
     --cache_size=6442450944 \
-    --cache_numshardbits=6  \
+    --cache_numshardbits=4  \
+    --table_cache_numshardbits=4 \
     --open_files=55000 \
     --statistics=1 \
     --histogram=1 \
@@ -80,7 +87,8 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --num=$NUM \
     --writes=$NUM \
     --cache_size=6442450944 \
-    --cache_numshardbits=6 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
     --open_files=55000 \
     --statistics=1 \
     --histogram=1 \
@@ -96,9 +104,10 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --use_existing_db=1 \
     --bloom_bits=10 \
     --num=$NUM \
-    --reads=$NUM \
+    --reads=$((NUM / 5)) \
     --cache_size=6442450944 \
-    --cache_numshardbits=8 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
     --open_files=55000 \
     --disable_seek_compaction=1 \
     --statistics=1 \
@@ -106,26 +115,90 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --disable_data_sync=1 \
     --disable_wal=1 \
     --sync=0 \
-    --threads=32 > ${STAT_FILE}.readrandom
+    --threads=16 > ${STAT_FILE}.readrandom
 
-# measure readrandom with 300MB block cache
+# measure readrandom with 100MB block cache
 ./db_bench \
     --benchmarks=readrandom \
     --db=$DATA_DIR \
     --use_existing_db=1 \
     --bloom_bits=10 \
     --num=$NUM \
-    --reads=$NUM \
-    --cache_size=314572800 \
-    --cache_numshardbits=8 \
+    --reads=$((NUM / 5)) \
+    --cache_size=104857600 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
+    --open_files=55000 \
+    --disable_seek_compaction=1 \
+    --statistics=1 \
+    --histogram=1 \
+    --disable_data_sync=1 \
+    --disable_wal=1 \
+    --sync=0 \
+    --threads=16 > ${STAT_FILE}.readrandomsmallblockcache
+
+# measure readrandom with 8k data in memtable
+./db_bench \
+    --benchmarks=overwrite,readrandom \
+    --db=$DATA_DIR \
+    --use_existing_db=1 \
+    --bloom_bits=10 \
+    --num=$NUM \
+    --reads=$((NUM / 5)) \
+    --writes=512 \
+    --cache_size=6442450944 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
+    --write_buffer_size=1000000000 \
+    --open_files=55000 \
+    --disable_seek_compaction=1 \
+    --statistics=1 \
+    --histogram=1 \
+    --disable_data_sync=1 \
+    --disable_wal=1 \
+    --sync=0 \
+    --threads=16 > ${STAT_FILE}.readrandom_mem_sst
+
+
+# fill up the db for readrandom benchmark with filluniquerandom (1GB total size)
+./db_bench \
+    --benchmarks=filluniquerandom \
+    --db=$DATA_DIR \
+    --use_existing_db=0 \
+    --bloom_bits=10 \
+    --num=$((NUM / 4)) \
+    --writes=$((NUM / 4)) \
+    --cache_size=6442450944 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
+    --open_files=55000 \
+    --statistics=1 \
+    --histogram=1 \
+    --disable_data_sync=1 \
+    --disable_wal=1 \
+    --sync=0 \
+    --threads=1 > /dev/null
+
+# measure readrandom after load with filluniquerandom with 6GB block cache
+./db_bench \
+    --benchmarks=readrandom \
+    --db=$DATA_DIR \
+    --use_existing_db=1 \
+    --bloom_bits=10 \
+    --num=$((NUM / 4)) \
+    --reads=$((NUM / 4)) \
+    --cache_size=6442450944 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
     --open_files=55000 \
     --disable_seek_compaction=1 \
+    --disable_auto_compactions=1 \
     --statistics=1 \
     --histogram=1 \
     --disable_data_sync=1 \
     --disable_wal=1 \
     --sync=0 \
-    --threads=32 > ${STAT_FILE}.readrandomsmallblockcache
+    --threads=16 > ${STAT_FILE}.readrandom_filluniquerandom
 
 # measure memtable performance -- none of the data gets flushed to disk
 ./db_bench \
@@ -135,7 +208,8 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --num=$((NUM / 10)) \
     --reads=$NUM \
     --cache_size=6442450944 \
-    --cache_numshardbits=8 \
+    --cache_numshardbits=4 \
+    --table_cache_numshardbits=4 \
     --write_buffer_size=1000000000 \
     --open_files=55000 \
     --disable_seek_compaction=1 \
@@ -145,13 +219,19 @@ OPT=-DNDEBUG make db_bench -j$(nproc)
     --disable_wal=1 \
     --sync=0 \
     --value_size=10 \
-    --threads=32 > ${STAT_FILE}.memtablefillreadrandom
+    --threads=16 > ${STAT_FILE}.memtablefillreadrandom
 
 # send data to ods
 function send_to_ods {
   key="$1"
   value="$2"
 
+  if [ -z $JENKINS_HOME ]; then
+    # running on devbox, just print out the values
+    echo $1 $2
+    return
+  fi
+
   if [ -z "$value" ];then
     echo >&2 "ERROR: Key $key doesn't have a value."
     return
@@ -180,5 +260,7 @@ send_benchmark_to_ods overwrite overwrite $STAT_FILE.overwrite
 send_benchmark_to_ods fillseq fillseq $STAT_FILE.fillseq
 send_benchmark_to_ods readrandom readrandom $STAT_FILE.readrandom
 send_benchmark_to_ods readrandom readrandom_smallblockcache $STAT_FILE.readrandomsmallblockcache
+send_benchmark_to_ods readrandom readrandom_memtable_sst $STAT_FILE.readrandom_mem_sst
+send_benchmark_to_ods readrandom readrandom_fillunique_random $STAT_FILE.readrandom_filluniquerandom
 send_benchmark_to_ods fillrandom memtablefillrandom $STAT_FILE.memtablefillreadrandom
 send_benchmark_to_ods readrandom memtablereadrandom $STAT_FILE.memtablefillreadrandom