README.md

Benchmark with caching enabled

The test was run on an EC2 m5.4xlarge in us-west-2a connected to a bucket in us-west-2. Units are seconds.

Enabling --cache has little impact on write speed (since catfs implements a write-through cache). Read and time to first byte measures cached read. catfs does not cache metadata operations.

To run the benchmark, configure EC2's instance role to be able to write to $TESTBUCKET, and then do:

$ export AWS_ACCESS_KEY_ID=AKID1234567890
$ export AWS_SECRET_ACCESS_KEY=MY-SECRET-KEY
$ sudo docker run -e BUCKET=$TESTBUCKET -e CACHE=true --rm --privileged --net=host -v /tmp/cache:/tmp/cache kahing/goofys-bench
# result will be written to $TESTBUCKET