add a Docker image with benchmarking utilities

docker/tidb-bench/Dockerfile

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+FROM golang:1.12.1-alpine3.9 AS goycsb
+
+RUN apk add git build-base \
+  && git clone https://github.com/pingcap/go-ycsb $GOPATH/src/github.com/pingcap/go-ycsb \
+  && cd $GOPATH/src/github.com/pingcap/go-ycsb \
+  && make
+
+FROM alpine:3.9
+MAINTAINER PingCAP <cloud@pingcap.com>
+
+COPY --from=pingcap/tidb-sysbench /usr/local/bin/sysbench /usr/local/bin/sysbench
+COPY --from=pingcap/tidb-sysbench /usr/local/share/sysbench /usr/local/share/sysbench
+
+COPY --from=dmonakhov/alpine-fio /usr/local/bin/fio /usr/local/bin/fio
+
+COPY --from=goycsb /go/src/github.com/pingcap/go-ycsb/bin/go-ycsb /go-ycsb/bin/go-ycsb
+COPY --from=goycsb /go/src/github.com/pingcap/go-ycsb/workloads /go-ycsb/workloads
+COPY --from=goycsb /go/src/github.com/pingcap/go-ycsb/tool /go-ycsb/tool
+
+ADD README.md /README.md
+
+CMD ["bash"]

docker/tidb-bench/README.md

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+This image includes various utilities used to benchmark TiDB.
+
+# Performance tests
+
+* sysbench
+* go-ycsb
+
+
+# Disk tests
+
+*Note:* All the commands need to be run under the disk mount point. And the test.data file need to be deleted before test.
+
+## fio
+* Read
+```
+fio -ioengine=libaio -bs=32k -direct=1 -thread -rw=read -size=10G -filename=test.data -name="PingCAP max throughput" -iodepth=4 -runtime=60
+```
+
+* Write
+```
+fio -ioengine=libaio -bs=32k -direct=1 -thread -rw=write -size=10G -filename=test.data -name="PingCAP max throughput" -iodepth=4 -runtime=60
+```
+
+* Random read
+```
+fio -ioengine=libaio -bs=32k -direct=1 -thread -rw=randread -size=10G -filename=test.data -name="PingCAP max throughput" -iodepth=4 -runtime=60
+```
+
+* Random write
+```
+fio -ioengine=libaio -bs=32k -direct=1 -thread -rw=randwrite  -size=10G -filename=test.data -name="PingCAP max throughput" -iodepth=4 -runtime=60
+```
+
+* Random read & write
+```
+fio -ioengine=libaio -bs=32k -direct=1 -thread -rw=randrw -percentage_random=100,0 -size=10G -filename=test.data -name="PingCAP max throughput" -iodepth=4 -runtime=60
+```
+
+## dd
+
+* Cache write
+```
+dd bs=4k count=400000 if=/dev/zero of=test.data
+```
+
+* Direct write
+```
+dd bs=4k count=400000 if=/dev/zero of=test.data oflag=direct
+```
+
+* Direct read
+```
+dd bs=4k count=400000 if=test.data of=/dev/null& oflag=direct
+```

docker/tidb-bench/build.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+pushd ../tidb-sysbench
+./build.sh
+popd
+docker build -t pingcap/tidb-bench .

docker/tidb-sysbench/Dockerfile

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+FROM alpine:3.9
+MAINTAINER PingCAP <cloud@pingcap.com>
+
+# Install sysbench
+# gcc and mariadb-dev install shared libraries used at runtime
+RUN apk add gcc mariadb-dev
+
+RUN apk add --virtual .build-deps git build-base automake autoconf libtool --update \
+  && git clone https://github.com/akopytov/sysbench.git \
+  && cd sysbench \
+  && git checkout 1.0.17 \
+  && ./autogen.sh \
+  && ./configure --disable-shared \
+  && make \
+  && make install \
+  && cd .. \
+  && rm -r sysbench \
+  && apk del .build-deps
+
+# TiDB patch for sysbench data loading (prepare)
+RUN apk add --virtual .build-deps wget \
+  && wget https://raw.githubusercontent.com/pingcap/tidb-bench/master/sysbench-patch/oltp_common.lua \
+  && apk del .build-deps \
+  && mv oltp_common.lua /usr/local/share/sysbench/oltp_common.lua \
+  && chmod +x /usr/local/share/sysbench/oltp_common.lua
+
+RUN apk add mysql-client
+RUN apk add bash
+
+WORKDIR "/usr/local/share/sysbench"
+CMD ["sysbench"]

docker/tidb-sysbench/build.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+docker build -t pingcap/tidb-sysbench .