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https://github.com/scylladb/scylladb.git
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9e67bd5aac
"This series introduces partial support for range deletions. This allows deletion operations such as delete from cf where p=1 and c > 0 and c <= 3. This series only adds support for single-column range restrictions. We enforce that both range bounds be specified, because we can't represent infinite bounds in the current sstable format. Such bounds are represented as a prefix with no components, with the bound_kind informing whether they are a bottom of top bound. We're currently unable to serialize an infinite bound in such a way that it would be correctly interpreted by Cassandra 2.2.x. A serialized bound is a composite with a (<length><value><EOC>)+ format. While we could technically represent the bottom bound, the top bound, if written as a single component with 0 bytes in size and some EOC, would always sort before other values. The same would happen if represented as an empty (no components) composite, because in Cassandra 2.2.x those always have EOC = NONE. This limitation should stay in place until we can properly represent range tombstones in the storage format." * 'range-deletions/v2' of https://github.com/duarten/scylla: mutation: Set cell using clustering_key_prefix mutation_partition: Harmonize apply_delete overloads prefix_compound_view_wrapper: Add is_full and is_empty functions tests/cql_query_test: Add range deletion tests cql3: Partially support ranged deletions single_column_primary_key_restrictions: Implement has_bound() modification_statement: Use statement_restrictions for where clause statement_restrictions: Expose primary key restrictions to_string: Add missing include
Scylla
Building Scylla
In addition to required packages by Seastar, the following packages are required by Scylla.
Submodules
Scylla uses submodules, so make sure you pull the submodules first by doing:
git submodule init
git submodule update --init --recursive
Building and Running Scylla on Fedora
- Installing required packages:
sudo dnf install yaml-cpp-devel lz4-devel zlib-devel snappy-devel jsoncpp-devel thrift-devel antlr3-tool antlr3-C++-devel libasan libubsan gcc-c++ gnutls-devel ninja-build ragel libaio-devel cryptopp-devel xfsprogs-devel numactl-devel hwloc-devel libpciaccess-devel libxml2-devel python3-pyparsing lksctp-tools-devel protobuf-devel protobuf-compiler systemd-devel libunwind-devel
- Build Scylla
./configure.py --mode=release --with=scylla --disable-xen
ninja-build build/release/scylla -j2 # you can use more cpus if you have tons of RAM
- 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>