README.rst

BF-11054

Invariant failure in mongod when running rollback fuzzer. Fixed by SERVER-37443.

Setup

cd mongo
git checkout 248601a6473fc7364e5d790a357acbace2a42f7a
python2 buildscripts/scons.py     \
    -j$(nproc)                    \
    --disable-warnings-as-errors  \
    mongo mongod mongobridge

git checkout visemet/mongodb-rr-experiment

rm -rf ~/.local/share/rr/*
python2 buildscripts/resmoke.py  \
    -j$(( $(nproc) / 2 ))        \
    --repeatTests=1000           \
    --continueOnFailure          \
    --log=file                   \
    --reportFile=report.json     \
    --rr=chaos                   \
    --suite=rollback_fuzzer      \
    ../bf-11054/rollback_test-656f-1540430041796-00.js

Results

• 7 / 1000 when using --rr=chaos

  $ du -hs ~/.local/share/rr
  70G     /home/ubuntu/.local/share/rr

• Didn't attempt with --rr=record

• 3 / 1000 when using --rr=off