MIT-6.824 course labs

Run test script

step1: Make sure that you have installed the python programming environment.

• If you have already installed it, the following results will appear when typing python or py, depending on your alias configuration in ~/.bashrc

$ py --version                                                                                                                                                                                            ─╯ 
Python 3.11.5

• If you haven't installed it, follow these steps:

1. download python source code, and unzip to specified directory.

$ wget https://www.python.org/ftp/python/3.11.5/Python-3.11.5.tgz
$ tar -xvf  Python-3.11.5.tgz -C /usr/local

2. Enter /usr/local/Python-3.11.5
3. Install the required compiler and dependencies.
   reference: Common build problems

$ sudo apt-get update

# Install multiple software packages, -y indicates Yes to all queries 
$ sudo apt-get install -y gcc make build-essential libssl-dev zlib1g-dev \
libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev \
libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev

4. Generate Makefile, specifying installation to /usr/local/python3.11

$ sudo ./configure --enable-optimizations --prefix=/usr/local/python3.11

# compile and install
$ sudo make && sudo make install

5. Add python environment variables

$ vim ~/.bashrc

Add following command to the .bashrc

export PYTHON_HOME='/usr/local/python3.11'
export PATH=$PATH:$PYTHON_HOME/bin

alias py='python3.11'

Reload bash's configuration file:

$ source ~/.bashrc

If you complete the above steps, type py -V

$ py -V                                                                                                                                                                                                   ─╯ 
Python 3.11.5

step2: Enter raft module directory

$ cd MIT-6.824/src/raft

step3: Run python test script dstest.py

$ py debug/script/dstest.py [Test]... -n [Iterations] -p [Processes] -o [OutputPath]

eg: If you want to run 2A and 2B test function, each test 2000 times, start 20 child processes, you may type:

$ py debug/script/dstest.py 2A 2B -n 2000 -p 20 -o debug/raft_log/ 

If there are failed tests, corresponding logs will be output to debug/raft_log/ directory.

Lab: 2A

Lab 2A test result: run 10,000 tests with no failures

Lab: 2B

Lab 2B test result: run 6,000 tests with no failures

Lab: 2C

Lab 2C test result: run 6,000 tests with no failures

Lab: 2D

Lab 2D test result: run 6,000 tests with no failures