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README.Linux.md

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Compile and Install Cloudberry Database on Linux

This document shares how to compile and install Cloudberry Database on Linux systems (CentOS 7, RHEL, and Ubuntu). Note that this document is for developers to try out Cloudberry Database in a single-node environments. DO NOT use this document for production environments.

Take the following steps to set up the development environments:

  1. Clone the GitHub repo.
  2. Install dependencies.
  3. Perform prerequisite platform tasks.
  4. Build Cloudberry Database.
  5. Verify the cluster.

Step 1. Clone the GitHub repo

Clone the GitHub repository cloudberrydb/cloudberrydb to the target machine:

git clone https://github.com/cloudberrydb/cloudberrydb.git

Step 2. Install dependencies

Enter the repository and install dependencies according to your operating systems:

For CentOS 7

The following steps work on CentOS 7. For other CentOS versions, these steps might work but are not guaranteed to work.

  1. Run the bash script README.CentOS.bash in the deploy/build directory of the cloudberrydb/cloudberrydb repository. To run this script, password is required. Then, some required dependencies will be automatically downloaded.

    cd cloudberrydb/deploy/build
./README.CentOS.bash

  2. Install additional packages required for configurations.

    yum -y install R apr apr-devel apr-util automake autoconf bash bison bison-devel bzip2 bzip2-devel centos-release-scl curl flex flex-devel gcc gcc-c++ git gdb iproute krb5-devel less libcurl libcurl-devel libevent libevent-devel libxml2 libxml2-devel libyaml libzstd-devel libzstd make openldap openssh openssh-clients openssh-server openssl openssl-devel openssl-libs perl python3-devel readline readline-devel rsync sed sudo tar vim wget which xerces-c-devel zip zlib && \
yum -y install epel-release

  3. Update the GNU Compiler Collection (GCC) to version devtoolset-10 to support C++ 14.

    yum install centos-release-scl 
yum -y install devtoolset-10-gcc devtoolset-10-gcc-c++ devtoolset-10-binutils 
scl enable devtoolset-10 bash 
source /opt/rh/devtoolset-10/enable 
echo "source /opt/rh/devtoolset-10/enable" >> /etc/bashrc
source /etc/bashrc
gcc -v

  4. Link cmake3 to cmake:

    sudo ln -sf /usr/bin/cmake3 /usr/local/bin/cmake

For RHEL 8 or Rocky Linux 8

  1. Install Development Tools.

    sudo yum group install -y "Development Tools"

  2. Install dependencies:

    sudo yum install -y epel-release

sudo yum install -y apr-devel bison bzip2-devel cmake3 flex gcc gcc-c++ krb5-devel libcurl-devel libevent-devel libkadm5  libxml2-devel libzstd-devel openssl-devel perl-ExtUtils-Embed python3-devel python3-pip readline-devel xerces-c-devel zlib-devel

  3. Install more dependencies by running the README.Rhel-Rocky.bash script.

    ~/cloudberrydb/deploy/build/README.Rhel-Rocky.bash

For Ubuntu 18.04 or later

  1. Install dependencies by running the README.Ubuntu.bash script in the deploy/build directory.

    # You need to enter your password to run.
sudo ~/cloudberrydb/deploy/build/README.Ubuntu.bash

    [!Note]

    • When you run the README.Ubuntu.bash script for dependencies, you will be asked to configure realm for Kerberos. You can enter any realm, because this is just for testing, and during testing, it will reconfigure a local server/client. If you want to skip this manual configuration, run export DEBIAN_FRONTEND=noninteractive.
    • If the script fails to download packages, we recommend that you can try another one software source for Ubuntu.

  2. Install GCC 10. Ubuntu 18.04 and later versions should use GCC 10 or later:

    # Install gcc-10.
sudo apt install software-properties-common
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt install gcc-10 g++-10
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100

Step 3. Perform prerequisite platform tasks

After you have installed all the dependencies for your operating system, it is time to do some prerequisite platform tasks before you go on building Cloudberry Database. These operations include manually running ldconfig, creating the gpadmin user, and setting up a password to start the Cloudberry Database and test.

  1. Make sure that you add /usr/local/lib and /usr/local/lib64 to the /etc/ld.so.conf file.

    echo -e "/usr/local/lib \n/usr/local/lib64" >> /etc/ld.so.conf
ldconfig

  2. Create the gpadmin user and set up the SSH key. Manually create SSH keys based on different operating systems, so that you can run ssh localhost without a password.

    • For CentOS, RHEL, and Rocky Linux:

      useradd gpadmin  # Creates gpadmin user
su - gpadmin  # Uses the gpadmin user
ssh-keygen  # Creates SSH key
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys
exit

    • For Ubuntu:

      useradd -r -m -s /bin/bash gpadmin  # Creates gpadmin user
su - gpadmin  # Uses the gpadmin user
ssh-keygen  # Creates SSH key
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys 
exit

Step 4. Build Cloudberry Database

After you have installed all the dependencies and performed the prerequisite platform tasks, you can start to build Cloudberry Database. Run the following commands in sequence.

  1. Configure the build environment. Enter the cloudberrydb directory and run the configure script.

    cd cloudberrydb
./configure --with-perl --with-python --with-libxml --with-gssapi --prefix=/usr/local/cloudberrydb

    [!Note] CloudberryDB is built with GPORCA by default. If you want to build CBDB without GPORCA, add the --disable-orca flag in the ./configure command.

    ./configure --disable-orca --with-perl --with-python --with-libxml --prefix=/usr/local/cloudberrydb

  2. Compile the code and install the database.

    make -j8
make -j8 install

  3. Bring in the Greenplum environment for your running shell.

    cd ..
cp -r cloudberrydb/ /home/gpadmin/
cd /home/gpadmin/
chown -R gpadmin:gpadmin cloudberrydb/
su - gpadmin
cd cloudberrydb/
source /usr/local/cloudberrydb/greenplum_path.sh

  4. Start the demo cluster.

    • For CentOS:

      scl enable devtoolset-10 bash 
source /opt/rh/devtoolset-10/enable 
make create-demo-cluster

    • For Ubuntu, Rocky, and RHEL:

      make create-demo-cluster

  5. Prepare the test by running the following command. This command will configure the port and environment variables for the test.

    Environment variables such as PGPORT and MASTER_DATA_DIRECTORY will be configured, which are the default port and the data directory of the master node.

    source gpAux/gpdemo/gpdemo-env.sh

Step 5. Verify the cluster

  1. You can verify whether the cluster has started successfully by running the following command. If successful, you can see multiple active postgres processes with ports ranging from 7000 to 7007.

    ps -ef | grep postgres

  2. Connect to the Cloudberry Database and see the active segment information by querying the system table gp_segement_configuration. For detailed description of this table, see the Greenplum document here.

    $ psql -p 7000 postgres
psql (14.4, server 14.4)
Type "help" for help.

postgres=# select version();
                                                                                        version                                                                                         
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
PostgreSQL 14.4 (Cloudberry Database 1.0.0+1c0d6e2224 build dev) on x86_64( GCC 13.2.0) 13.2.0, 64-bit compiled on Sep 22 2023 10:56:01
(1 row)

postgres=# select * from gp_segment_configuration;
 dbid | content | role | preferred_role | mode | status | port |  hostname  |  address   |                                   datadir                                    | warehouseid 
------+---------+------+----------------+------+--------+------+------------+------------+------------------------------------------------------------------------------+-------------
    1 |      -1 | p    | p              | n    | u      | 7000 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/qddir/demoDataDir-1         |           0
    8 |      -1 | m    | m              | s    | u      | 7001 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/standby                     |           0
    3 |       1 | p    | p              | s    | u      | 7003 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast2/demoDataDir1        |           0
    6 |       1 | m    | m              | s    | u      | 7006 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast_mirror2/demoDataDir1 |           0
    2 |       0 | p    | p              | s    | u      | 7002 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast1/demoDataDir0        |           0
    5 |       0 | m    | m              | s    | u      | 7005 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast_mirror1/demoDataDir0 |           0
    4 |       2 | p    | p              | s    | u      | 7004 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast3/demoDataDir2        |           0
    7 |       2 | m    | m              | s    | u      | 7007 | i-6wvpa9wt | i-6wvpa9wt | /home/gpadmin/cloudberrydb/gpAux/gpdemo/datadirs/dbfast_mirror3/demoDataDir2 |           0
(8 rows)