Tomasz Grabiec 04106b4c96 Merge "Convert memtable flush reader to flat streams" from Paweł
This series converts memtable flush reader to the new flat mutation
readers. Just like the scanning reader, flush reader concatenates
multiple partition snapshot readers in order to provide a stream
of all partitions in the memtable.

* https://github.com/pdziepak/scylla.git flat_mutation_reader-memtable-flush/v1
   tests/flat_mutation_reader_assertion: add produces_partition()
   memtable: make make_flush_reader() return flat_mutation_reader
   flat_mutation_reader: add optimised flat_mutation_reader_opt
   memtable: switch flush reader implementation to flat streams
   tests/memtable: add test for flush reader
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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>

Contributing to Scylla

Guidelines for contributing

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