Tomasz Grabiec 582dd36303 Merge 'Fixes for exception safety in memtable range reads' from Paweł
These patches deal with the remaining exception safety issues in the
memtable partition range readers. That includes moving the assignment
to iterator_reader::_last outside of allocating section to avoid
problems caused by exception-unsafe assignment operator. Memory
accotuning code is also moved out of the retryable context to improve
the code robustness and avoid potential problems in the future.

Fixes #3172.

Tests: unit-test (release)

* https://github.com/pdziepak/scylla.git memtable-range-read-exception-safety/v1:
  memtable: do not update iterator_reader::_last in alloc section
  memtable: do not change accounting state in alloc section
  tests/memtable: add more reader exception safety tests
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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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