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ba54654af3
So that the ranges are sorted and have no overlaps. We can have less
ranges to deal with and it can help the mutation readers to optimize.
Here is an exmaple of ranges generated by repair:
Before:
INFO 2016-12-07 17:44:21,185 [shard 0] stream_session - cf_id =
dec9fa90-bc3b-11e6-af78-000000000001,
before ranges = {(-3383928698815274642, -3376937163195039606],
(-7260764223708720005, -7251657821052234309], (-4767213984179237293,
-4747032371925842389], (-7645879646119667643, -7589962743703481776],
(-2340199306656526861, -2320523117224780931], (-576028861239229331,
-560973674020019962], (-4070378863644120252, -3987599893827407860],
(-2551584407739673151, -2498779102482524711], (-5416061903556353312,
-5354212455975869358], (37594980457713898, 67885601051654285],
(3083778975065200884, 3091232478835418439], (3131345970514528877,
3187922544267434961], (5765437476661317163, 5778671293583720541],
(5960610072466058818, 5972289771228014343], (7749618183851698485,
7758080813117351135], (-3987599893827407860, -3899198931034439776],
(-7251657821052234309, -7131649010279865221], (-3576581915808403133,
-3383928698815274642], (-417850207760366422, -327959672080599465],
(-2671876682129336880, -2551584407739673151], (-1305178847032904465,
-1137497074548854552], (8540448858050275827, 8610171849752115483],
(-560973674020019962, -417850207760366422], (-2498779102482524711,
-2340199306656526861], (2394447940525988167, 2523396860109747637],
(-6703329224557608009, -6517757811218772762], (-3675103288021821677,
-3576581915808403133], (-5622185785296846551, -5416061903556353312],
(8610171849752115483, 8742605005068551458], (8068079250973315241,
8185655671734937642], (560264964510741191, 790641981923757238],
(5581202487214475094, 5765437476661317163], (8742605005068551458,
8923908282731801645], (-6038176423022601107, -5622185785296846551],
(5778671293583720541, 5960610072466058818], (-3899198931034439776,
-3675103288021821677], (8356739976149429222, 8540448858050275827],
(-6517757811218772762, -6038176423022601107], (-8052600134279395253,
-7645879646119667643], (-327959672080599465, 37594980457713898],
(7758080813117351135, 8019254284118543066], (4781565016737645510,
5067070718000527886], (2523396860109747637, 3083778975065200884],
(-5354212455975869358, -4767213984179237293], (6784138025918878582,
7190719703944308372], (67885601051654285, 447405341661896387],
(-2190610927722759275, -1305178847032904465], (-4747032371925842389,
-4070378863644120252]}, size=48
After:
INFO 2016-12-07 17:44:21,185 [shard 0] stream_session - cf_id =
dec9fa90-bc3b-11e6-af78-000000000001,
after ranges = {(-8052600134279395253, -7589962743703481776],
(-7260764223708720005, -7131649010279865221], (-6703329224557608009,
-3376937163195039606], (-2671876682129336880, -2320523117224780931],
(-2190610927722759275, -1137497074548854552], (-576028861239229331,
447405341661896387], (560264964510741191, 790641981923757238],
(2394447940525988167, 3091232478835418439], (3131345970514528877,
3187922544267434961], (4781565016737645510, 5067070718000527886],
(5581202487214475094, 5972289771228014343], (6784138025918878582,
7190719703944308372], (7749618183851698485, 8019254284118543066],
(8068079250973315241, 8185655671734937642], (8356739976149429222,
8923908282731801645]}, size=15
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>