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README.md

Week 6

Overview

This week you will install RocksDB and run DB_Bench on your own system.

Follow the guide below. If you have any questions, don't hesitate to contact me via email (Mijin An / [email protected])

NOTE: This lab is based on the Linux environment. If you don't have a Linux machine, use VirturalBox. (Recommend Ubuntu 18.04)

Instructions

1. Install pre-requisites:

Linux - Ubuntu

  • Upgrade gcc version at least 4.8
  • gflags: sudo apt-get install libgflags-dev If this doesn't work, here's a nice tutorial: (http://askubuntu.com/questions/312173/installing-gflags-12-04)
  • snappy: sudo apt-get install libsnappy-dev
  • zlib: sudo apt-get install zlib1g-dev
  • bzip2: sudo apt-get install libbz2-dev

Other platform

2. Build and install RocksDB

$ git clone https://github.com/facebook/rocksdb
$ cd rocksdb
$ make
$ make check

3. Run DB_Bench

$ ./db_bench

You can see options of db_bench using below command (Details):

$ ./db_bench --help

For the report, run the below command and measure the performance of RocksDB on your system:

Update -db="/path/to/datadir" path according to your experimetal environment

$ ./db_bench --benchmarks="readrandomwriterandom" \
  -db="/path/to/datadir" \
  -use_direct_io_for_flush_and_compaction=true \
  -use_direct_reads=true \
  -duration=600 \
  -statistics \
  -stats_interval_seconds=10 2>&1 | tee result.txt

4. Record the experimental result

At the end of the benchmark, you can see the below result:

...
readrandomwriterandom :      53.084 micros/op 18838 ops/sec; ( reads:10172700 writes:1130299 total:1000000 found:4076910)
...
  • micros/op: Microseconds spent processing one operation
  • ops/sec: Processed operations per second

Show all of the above results in your report.

Report Submission

  1. Run DB_Bench to benchmark RocksDB on your system
  2. Present the experimental results

Organize the results into a single report and submit it. Follow the submission guide for your report.

Reference