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kelvichkelvich
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postgres role for deploy
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‎tests/deploy_layouts/roles/postgres/tasks/main.yml

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---
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- name: ensure dependencies (Debian)
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apt: pkg={{item}} state=installed
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with_items:
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- git
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- automake
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- libtool
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- build-essential
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- bison
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- flex
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- libreadline-dev
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when: ansible_os_family == "Debian"
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sudo: yes
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- name: ensure dependencies (RedHat)
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yum: name="@Development tools" state=present
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when: (pg_copydist is undefined) and ansible_os_family == "RedHat"
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sudo: yes
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- name: ensure dependencies (RedHat)
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yum: name={{item}} state=installed
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with_items:
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- git
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- automake
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- libtool
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- bison
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- flex
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- readline-devel
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when: (pg_copydist is undefined) and ansible_os_family == "RedHat"
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sudo: yes
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- name: increase semaphores
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shell: sysctl kernel.sem='1000 128000 128 512'
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sudo: yes
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- name: increase open files
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shell: "echo '{{ansible_ssh_user}} soft nofile 65535' > /etc/security/limits.d/cluster.conf"
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args:
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creates: "/etc/security/limits.d/cluster.conf"
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sudo: yes
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#############################################################################
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- name: clone postgres sources
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git: repo={{pg_repo}}
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dest={{pg_src}}
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version={{pg_version_tag}}
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depth=1
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accept_hostkey=True
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register: pg_sources
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when: pg_copydist is undefined
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- name: force rebuild on changed sources
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command: "rm -f {{pg_dst}}/bin/postgres"
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when: (pg_copydist is undefined) and pg_sources.changed
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- name: build and install
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shell: ./configure --prefix={{pg_dst}} --without-zlib && make clean && make -j {{makejobs}} && make install
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args:
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chdir: "{{pg_src}}"
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creates: "{{pg_dst}}/bin/postgres"
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when: pg_copydist is undefined
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#############################################################################
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- name: copy pg source
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copy: src=./{{item}} dest=~/{{item}} mode=0755
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with_items:
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- "pg_cluster_install.tgz"
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when: pg_copydist is defined
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- name: extract postgres
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command: "tar xzf pg_cluster_install.tgz"
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when: pg_copydist is defined
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#############################################################################
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- stat: path={{pg_datadir}}/postmaster.pid
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register: pg_pidfile
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# - name: stop postgres if it was running
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# command: "{{pg_dst}}/bin/pg_ctl stop -w -D {{pg_datadir}}"
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# environment:
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# LD_LIBRARY_PATH: "{{pg_dst}}/lib"
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# when: pg_pidfile.stat.exists
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- name: stop postgres if it was running
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shell: "kill -9 `head -n 1 {{pg_datadir}}/postmaster.pid`"
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environment:
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LD_LIBRARY_PATH: "{{pg_dst}}/lib"
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when: pg_pidfile.stat.exists
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- name: remove datadirs on datanodes
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command: "rm -rf {{pg_datadir}}"
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when: pg_destroy_and_init
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- name: create datadirs on datanodes
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command: "{{pg_dst}}/bin/initdb {{pg_datadir}}"
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environment:
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LD_LIBRARY_PATH: "{{pg_dst}}/lib/"
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args:
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creates: "{{pg_datadir}}"
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- name: configure postgres on datanodes
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lineinfile:
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dest: "{{pg_datadir}}/postgresql.conf"
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line: "{{item.line}}"
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state: present
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with_items: "{{pg_config}}"
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- name: configure postgres on datanodes -- 2
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lineinfile:
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dest: "{{pg_datadir}}/postgresql.conf"
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line: "{{item.line}}"
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state: present
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with_items: "{{pg_config_role}}"
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- name: enable blind trust on datanodes
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lineinfile:
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dest: "{{pg_datadir}}/pg_hba.conf"
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line: "host all all 0.0.0.0/0 trust"
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- name: start postgrespro
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shell: "{{pg_dst}}/bin/pg_ctl start -w -D {{pg_datadir}} -l {{pg_datadir}}/pg.log"
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environment:
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LD_LIBRARY_PATH: "{{pg_dst}}/lib/"
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‎tests/deploy_layouts/roles/postgres/vars/main.yml

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# vim: ts=2 sts=2 sw=2 expandtab
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---
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makejobs: 4
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pg_repo: git://git.postgresql.org/git/postgresql.git
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pg_version_tag: master
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pg_destroy_and_init: false
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pg_port: 5432
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pg_config:
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- line: "shared_buffers = 3GB"
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- line: "wal_keep_segments = 128"
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- line: "fsync = off"
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- line: "autovacuum = off"
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- line: "listen_addresses = '*'"
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- line: "max_connections = 2048"
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- line: "max_prepared_transactions = 4000"
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- line: "port = {{pg_port}}"
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pg_config_role:
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- line: "#pg_config_role"
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pg_prefix: "{{ansible_env.HOME}}/pg_cluster"
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pg_src: "{{pg_prefix}}/src"
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pg_dst: "{{pg_prefix}}/install"
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pg_datadir: "{{pg_prefix}}/data_{{pg_port}}"

‎tests/perf.yml

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gather_facts: no
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tasks:
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- name: init database
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shell: "~/pg_cluster/install/bin/dtmbench {{connections}} -a 2000000 -i"
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shell: "~/pg_cluster/install/bin/dtmbench {{connections}} -a 500000 -i"
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register: init_result
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- debug: var=init_result
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shell: >
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~/pg_cluster/install/bin/dtmbench {{connections}}
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-w {{ (nconns | d(100)| int)*(nnodes | d(2) | int)/(2*( groups['clients'] | count))}}
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-s {{offset}} -d 100000 -r 1 -n 20000 -a 500000 |
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-s {{offset}} -d 100000 -r 1 -n 2000 -a 500000 |
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tee -a perf.results |
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sed "s/^/`hostname`:/"
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register: transfers_result

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