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91793c0a43
appending_hash is used for computing hashes that become part of the binary interface. They cannot change between Scylla version and the same data needs to always result in the same hash. At the moment, appending_hash<bytes_ostream> doesn't fulfil those requirements since it leaks information how the underlying buffer is fragmented. Fortunately, it has no users so it doesn't casue any compatibility issues. Moreover, bytes_ostream is usually used as an output of some serialisation routine (e.g. frozen_mutation_fragment or CQL response). Those serialisation formats do not guarantee that there is a single representation of a given data and therefore are not fit to be hashed by appending_hash. Removing appending_hash<bytes_ostream> may help preventing such incorrect uses. Message-Id: <20181122163823.12759-1-pdziepak@scylladb.com>
Scylla
Quick-start
$ git submodule update --init --recursive
$ sudo ./install-dependencies.sh
$ ./configure.py --mode=release
$ ninja-build -j4 # Assuming 4 system threads.
$ ./build/release/scylla
$ # Rejoice!
Please see HACKING.md for detailed information on building and developing Scylla.
Running Scylla
- Run Scylla
./build/release/scylla
- run Scylla with one CPU and ./tmp as data directory
./build/release/scylla --datadir tmp --commitlog-directory tmp --smp 1
- For more run options:
./build/release/scylla --help
Building Fedora RPM
As a pre-requisite, you need to install Mock on your machine:
# Install mock:
sudo yum install mock
# Add user to the "mock" group:
usermod -a -G mock $USER && newgrp mock
Then, to build an RPM, run:
./dist/redhat/build_rpm.sh
The built RPM is stored in /var/lib/mock/<configuration>/result directory.
For example, on Fedora 21 mock reports the following:
INFO: Done(scylla-server-0.00-1.fc21.src.rpm) Config(default) 20 minutes 7 seconds
INFO: Results and/or logs in: /var/lib/mock/fedora-21-x86_64/result
Building Fedora-based Docker image
Build a Docker image with:
cd dist/docker
docker build -t <image-name> .
Run the image with:
docker run -p $(hostname -i):9042:9042 -i -t <image name>