Make benchmark/ycsb.js work with PerfkitBenchmarker. (#115)

benchmark/bin/ycsb

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+
+# A YCSB-like executable that can be integrated into PerfKitBenchmarker.
+#
+# It is intended to be run in a VM that is brought up by PerfKitBenchmarker
+# with node.js, npm, and google-cloud for nodejs installed. The environment can
+# be configured as follows:
+#
+# curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh \
+#   | bash
+# export NVM_DIR="$HOME/.nvm"
+# [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+# nvm install stable'
+# nvm alias default stable')
+# npm install --save express @google-cloud/storage @google-cloud/common-grpc \
+#   binary-search-bounds dedent fs path stats-lite yargs checkpoint-stream
+#   lodash.chunk merge-stream google-gax lodash.flatten delay p-queue \
+#   stack-trace lodash.snakecase lodash.random time-span
+# sudo sudo apt-get -y install git
+# git clone https://github.com/googleapis/nodejs-spanner.git
+
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+ln -s ${HOME}/nodejs-spanner/src ${DIR}/../../src
+ln -s ${HOME}/node_modules ${DIR}/../node_modules
+
+node ${DIR}/../ycsb.js run "${@:4}"

benchmark/ycsb.js

@@ -91,15 +91,15 @@ function printMetrics(workload) {
     const opName = `[${operation.toUpperCase()}]`;
 
     console.log(
-      dedent`${opName}, Operations ${ops}
+      dedent`${opName}, Operations, ${ops}
       ${opName}, AverageLatency(us), ${stats.mean(lats)}
       ${opName}, LatencyVariance(us), ${stats.stdev(lats)}
       ${opName}, MinLatency(us), ${lats[0]}
       ${opName}, MaxLatency(us), ${lats[lats.length - 1]}
       ${opName}, 95thPercentileLatency(us), ${stats.percentile(lats, 0.95)}
       ${opName}, 99thPercentileLatency(us), ${stats.percentile(lats, 0.99)}
       ${opName}, 99.9thPercentileLatency(us), ${stats.percentile(lats, 0.999)}
-      ${opName}, Return=OK ${ops}`
+      ${opName}, Return=OK, ${ops}`
     );
 
     for (let i = 0; i < numBucket; i++) {