84 lines
2.7 KiB
Bash
Executable File
84 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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set -e
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set -o xtrace
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cat > "/etc/sysctl.d/10-postgresql-performance.conf" << _EOF_
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# See 'http://www.postgresql.org/docs/9.3/static/kernel-resources.html'
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# for best practices.
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# It is recommended to disable memory overcommit,
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# but the Python interpreter may require it on smaller flavors.
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# We therefore stick with the heuristic overcommit setting.
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vm.overcommit_memory=0
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_EOF_
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cat > "/etc/rc.local" << _EOF_
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# See 'http://www.postgresql.org/docs/9.3/static/kernel-resources.html'
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# Disable Linux kernel transparent huge pages. This feature is not supported by
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# by Postgres 9.3 and may negatively impact performance of the database.
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if test -f /sys/kernel/mm/redhat_transparent_hugepage/defrag; then
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echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag
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fi
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if test -f /sys/kernel/mm/redhat_transparent_hugepage/enabled; then
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echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled
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fi
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exit \$?
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_EOF_
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dnf install -y http://yum.postgresql.org/9.4/fedora/fedora-22-x86_64/pgdg-fedora94-9.4-4.noarch.rpm
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dnf install -y postgresql94-server postgresql94-contrib postgresql94-devel gcc
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###########################################
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# Hack alert:
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# For Postgresql 9.4, pg_rewind is not in the main source tree and
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# no packages exist in the repos, so it must be compiled manually
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# and installed on the image until we can move to 9.5
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# See README at
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# https://github.com/vmware/pg_rewind/tree/REL9_4_STABLE
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dev_pkgs="readline-devel zlib-devel krb5-devel openssl-devel pam-devel libxml2-devel libxslt-devel"
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yum install -y $dev_pkgs
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# We need pg_config to be accessible on the path
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mkdir -p /tmp/build
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cd /tmp/build
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git clone https://github.com/vmware/pg_rewind.git --branch REL9_4_STABLE
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git clone https://github.com/postgres/postgres.git --branch REL9_4_STABLE
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ln -s /usr/pgsql-9.4/bin/pg_config /usr/bin/pg_config
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cd pg_rewind
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make USE_PGXS=1 top_srcdir=/tmp/build/postgres install
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ln -s /usr/pgsql-9.4/bin/pg_rewind /usr/bin/pg_rewind
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# Cleanup
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cd
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rm -rf /tmp/build
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yum remove -y $dev_pkgs
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# Though /var/lib/pgsql is the preferred directory, need to move it as
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# this is where the volume will be mounted
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su - postgres -c "/usr/pgsql-9.4/bin/initdb /var/lib/pgsql/9.4/data"
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mv /var/lib/pgsql /var/lib/postgresql
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mv /lib/systemd/system/postgresql-9.4.service /lib/systemd/system/postgresql.service
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sed -i 's/PGDATA=\/var\/lib\/pgsql\/9.4\/data/PGDATA=\/var\/lib\/postgresql\/9.4\/data/' /lib/systemd/system/postgresql.service
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# Create a volatile directory for runtime files.
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echo "d /var/run/postgresql/ 0755 postgres postgres" > /lib/tmpfiles.d/postgresql.conf
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# Install the native Python client.
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dnf install -y postgresql-devel python-devel
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pip install psycopg2
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systemctl enable postgresql.service
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systemctl start postgresql.service
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