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24a9a3c679
" May components limit its internal memory pools/caches/queues depending on amount of memory present in a system. Each of them uses seastar memory interface to get the information about memory availability which makes it harder to 1: test the components with various memory configurations and 2: to see which components reserve memory and how much each one reserves. The patch changes all the components that rely on memory size to get this information through configuration parameter during creation instead of checking it directly with seastar, so only main interacts with seastar allocator. " * 'gleb/memory-config-v2' of github.com:scylladb/seastar-dev: Provide available memory size to compaction_manager object during creation Configure authorized_prepared_statment_cache memory limit during object creation Configure logalloc memory size during initialization Provide cql max request limit to cql server object during creation Configure query result memory limiter size limit during object creation Configure querier_cache size limit during object creation Provide available memory size to messaging_service object during creation Provide available memory size to hinted handoff resource manager during creation Provide available memory size to storage_proxy object during creation Provide available memory size to commitlog during creation Provide available memory size to database object during creation Configure prepared_statements_cache memory limit from outside
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>