mirror of
https://github.com/scylladb/scylladb.git
synced 2026-06-09 00:13:31 +00:00
d088c7724e
Currently serializing and deserializing singular ranges is asymetric. When serializing a range we use the start() and end() functions to obtain _start and _end respectively. However for singular ranges end() will return _start and therefore the serialized range will have two engaged optionals for bounds whereas the in-memory version will have only one. The immediate consequence of this is that after serializing and deserializing a range it will not compare equal to the original serialized range. Needless to say this is *very* suprising behaviour. To remedy the issue we fix the wrapping_range's constructor to not set _end to the passed in value when the range is singular. This way the on-wire format can stay compatible to how the range is percieved by client code (when is_singular(): start() == end()) but constructing the range from the wire-format will yield a range that will always compare equal to the original one. Signed-off-by: Botond Dénes <bdenes@scylladb.com> Message-Id: <e5f20b7b45f65ca1f7b347dcccd2ac462869e7ff.1519652739.git.bdenes@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>