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a5476b4e7d
"Immediate reason to do this is to ensure that forwarding of streamed_mutation will give the same mutations as slicing would, and have unit tests which verify that those two access methods are consistent with each other. Secondary reason is performance, to avoid processing unnecessary data. Note that this should not cause digest mismatch of data queries during rolling upgrade, because data queries are checksumming only tombstones affecting rows in the results, so only relevant tombstones. Fixes #1254." * tag 'tgrabiec/only-relevant-range-tombstones-v2' of github.com:scylladb/seastar-dev: tests: mutation_source_test: Test that slicing returns only relevant range tombstones tests: Pass all mutation source parameters tests: mutation_source_tests: Ensure timestamps are strictly monotonic tests: streamed_mutation_assertions: Add more expectation methods tests: streamed_mutation_assertions: Make produces_end_of_stream() give better error messages sstables: Simplify sstable_streamed_mutation::read_next() sstables: Emit only relevant range tombstones range_tombstone: Introduce end_position() position_in_partition: Print position when printing fragment position_in_partition: Make printable position_in_partition: Add cast to view position_in_partition: Generalize from-bound_view constructor bound_view: Extract converters for range start and end bounds mutation_partition: Drop unneeded range tombstones mutation_partition: Simplify row removal range_tombstone_list: Introduce erase() partition_snapshot_reader: Emit only relevant tombstones range_tombstone_stream: Add slicing apply() overload range_tombstone_list: Introduce slice()
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>