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148 lines
4.3 KiB
ReStructuredText
148 lines
4.3 KiB
ReStructuredText
Getting started
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===============
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System requirements
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-------------------
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This is not a cross-platform system. It requires Linux Ubuntu Precise (12.04) or newer, x86_64 architecture with SSE 4.2 instruction set.
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To test for SSE 4.2 support, do:
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.. code-block:: text
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grep -q sse4_2 /proc/cpuinfo && echo "SSE 4.2 supported" || echo "SSE 4.2 not supported"
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We recommend using Ubuntu Trusty or Ubuntu Xenial or Ubuntu Precise.
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The terminal must use UTF-8 encoding (the default in Ubuntu).
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Installation
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------------
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For testing and development, the system can be installed on a single server or on a desktop computer.
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Installing from packages
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~~~~~~~~~~~~~~~~~~~~~~~~
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In `/etc/apt/sources.list` (or in a separate `/etc/apt/sources.list.d/clickhouse.list` file), add the repository:
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.. code-block:: text
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deb http://repo.yandex.ru/clickhouse/trusty stable main
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For other Ubuntu versions, replace `trusty` to `xenial` or `precise`.
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If you want to use the most fresh testing version of ClickHouse, replace `stable` to `testing`.
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Then run:
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.. code-block:: bash
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sudo apt-key adv --keyserver keyserver.ubuntu.com --recv E0C56BD4 # optional
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sudo apt-get update
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sudo apt-get install clickhouse-client clickhouse-server-common
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You can also download and install packages manually from here:
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http://repo.yandex.ru/clickhouse/trusty/pool/main/c/clickhouse/,
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http://repo.yandex.ru/clickhouse/xenial/pool/main/c/clickhouse/,
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http://repo.yandex.ru/clickhouse/precise/pool/main/c/clickhouse/.
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ClickHouse contains access restriction settings. They are located in the 'users.xml' file (next to 'config.xml').
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By default, access is allowed from everywhere for the default user without a password. See 'user/default/networks'. For more information, see the section "Configuration files".
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Installing from source
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~~~~~~~~~~~~~~~~~~~~~~
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To build, follow the instructions in build.md (for Linux) or in build_osx.md (for Mac OS X).
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You can compile packages and install them. You can also use programs without installing packages.
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.. code-block:: text
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Client: dbms/src/Client/
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Server: dbms/src/Server/
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For the server, create a directory with data, such as:
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.. code-block:: text
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/opt/clickhouse/data/default/
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/opt/clickhouse/metadata/default/
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(Configured in the server config.)
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Run 'chown' for the desired user.
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Note the path to logs in the server config (src/dbms/src/Server/config.xml).
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Other methods of installation
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The Docker image is located here: https://hub.docker.com/r/yandex/clickhouse-server/
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There are RPM packages for CentOS, RHEL: https://github.com/Altinity/clickhouse-rpm-install
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There is Gentoo overlay located here: https://github.com/kmeaw/clickhouse-overlay
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Launch
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------
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To start the server (as a daemon), run:
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.. code-block:: bash
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sudo service clickhouse-server start
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View the logs in the directory `/var/log/clickhouse-server/`
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If the server doesn't start, check the configurations in the file `/etc/clickhouse-server/config.xml`
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You can also launch the server from the console:
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.. code-block:: bash
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clickhouse-server --config-file=/etc/clickhouse-server/config.xml
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In this case, the log will be printed to the console, which is convenient during development. If the configuration file is in the current directory, you don't need to specify the '--config-file' parameter. By default, it uses './config.xml'.
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You can use the command-line client to connect to the server:
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.. code-block:: bash
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clickhouse-client
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The default parameters indicate connecting with localhost:9000 on behalf of the user 'default' without a password.
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The client can be used for connecting to a remote server. For example:
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.. code-block:: bash
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clickhouse-client --host=example.com
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For more information, see the section "Command-line client".
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Checking the system:
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.. code-block:: bash
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milovidov@hostname:~/work/metrica/src/dbms/src/Client$ ./clickhouse-client
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ClickHouse client version 0.0.18749.
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Connecting to localhost:9000.
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Connected to ClickHouse server version 0.0.18749.
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:) SELECT 1
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SELECT 1
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┌─1─┐
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│ 1 │
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└───┘
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1 rows in set. Elapsed: 0.003 sec.
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:)
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**Congratulations, it works!**
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For further experiments you can try playing with one of the following example datasets:
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.. toctree::
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:glob:
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example_datasets/*
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