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MichaelConrad wants to merge 11 commits into from
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Add compatibility for PostgreSQL 9.6 #204

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896c0f9
Add compatibility for PostgreSQL 9.6
Oct 3, 2016
db130c9
Update .travis.yml for PostgreSQL 9.6
Oct 3, 2016
7d2ac15
Update test to use PostgreSQL 9.6
Oct 3, 2016
dc81e78
Update Ansible version in .travis.yml
Oct 3, 2016
ad8d40a
Update temp_file_limit comment due to better understanding of documen…
Oct 3, 2016
88fdf0b
Add distro / version specific release numbers to yum URL
Oct 3, 2016
a92bbaa
Fix typo in defaults/main.yml comment
Oct 3, 2016
13f852b
Add parameter for postgresql_synchronous_standby_num_sync
Oct 10, 2016
9e6746a
Remove extra single quotes
Oct 10, 2016
c99d889
Add single quotes to config template
Oct 10, 2016
d3d57c9
Handle synchronous_standby_names defaults better
Oct 11, 2016
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14 changes: 8 additions & 6 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,13 @@ env:
- ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="1.9.4"
- ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="1.9.4"
- ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="1.9.4"
- ROLE_OPTIONS="postgresql_version=9.1" ANSIBLE_VERSION="2.0.0.2"
- ROLE_OPTIONS="postgresql_version=9.2" ANSIBLE_VERSION="2.0.0.2"
- ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="2.0.0.2"
- ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="2.0.0.2"
- ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="2.0.0.2"
- ROLE_OPTIONS="postgresql_version=9.6" ANSIBLE_VERSION="1.9.4"
- ROLE_OPTIONS="postgresql_version=9.1" ANSIBLE_VERSION="2.1.2.0"
- ROLE_OPTIONS="postgresql_version=9.2" ANSIBLE_VERSION="2.1.2.0"
- ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="2.1.2.0"
- ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="2.1.2.0"
- ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="2.1.2.0"
- ROLE_OPTIONS="postgresql_version=9.6" ANSIBLE_VERSION="2.1.2.0"

before_install:
# Remove the PostgreSQL installed by Travis
Expand Down Expand Up @@ -50,4 +52,4 @@ script:

# Testing with docker (experimental)
- docker build -f tests/Dockerfile-ubuntu14.04 -t postgres_ubuntu14.04 .
- docker build -f tests/Dockerfile-centos6 -t postgres_centos6 .
- docker build -f tests/Dockerfile-centos6 -t postgres_centos6 .
189 changes: 121 additions & 68 deletions defaults/main.yml
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Expand Up @@ -141,16 +141,15 @@ postgresql_shared_buffers: 128MB # min 128kB
postgresql_huge_pages: try # on, off, or try
postgresql_temp_buffers: 8MB # min 800kB

# Note: Increasing max_prepared_transactions costs ~600 bytes of shared memory
# per transaction slot, plus lock space (see max_locks_per_transaction).
# It is not advisable to set max_prepared_transactions nonzero unless you
# actively intend to use prepared transactions.
# Caution: it is not advisable to set max_prepared_transactions nonzero unless
# you actively intend to use prepared transactions.
postgresql_max_prepared_transactions: 0 # zero disables the feature

postgresql_work_mem: 1MB # min 64kB
postgresql_maintenance_work_mem: 16MB # min 1MB
postgresql_autovacuum_work_mem: -1 # min 1MB, or -1 to use maintenance_work_mem
postgresql_max_stack_depth: 2MB # min 100kB
postgresql_work_mem: 1MB # min 64kB
postgresql_maintenance_work_mem: 16MB # min 1MB
postgresql_replacement_sort_tuples: 150000 # (>= 9.6) limits use of replacement selection sort
postgresql_autovacuum_work_mem: -1 # min 1MB, or -1 to use maintenance_work_mem
postgresql_max_stack_depth: 2MB # min 100kB
postgresql_dynamic_shared_memory_type: posix # the default is the first option
# supported by the operating system:
# posix
Expand All @@ -162,7 +161,7 @@ postgresql_dynamic_shared_memory_type: posix # the default is the first optio

# - Disk -

# limits per-session temp file space in kB, or -1 for no limit (>= 9.2)
# limits per-process temp file space in kB, or -1 for no limit (>= 9.2)
postgresql_temp_file_limit: -1


Expand All @@ -185,13 +184,19 @@ postgresql_vacuum_cost_limit: 200 # 1-10000 credits

postgresql_bgwriter_delay: 200ms # 10-10000ms between rounds
postgresql_bgwriter_lru_maxpages: 100 # 0-1000 max buffers written/round
postgresql_bgwriter_lru_multiplier: 2.0 # 0-10.0 multipler on buffers scanned/round
postgresql_bgwriter_lru_multiplier: 2.0 # 0-10.0 multiplier on buffers scanned/round
postgresql_bgwriter_flush_after: 0 # (>= 9.6) 0 disables,
# default is 512kB on linux, 0 otherwise


# - Asynchronous Behavior -

postgresql_effective_io_concurrency: 1 # 1-1000; 0 disables prefetching
postgresql_max_worker_processes: 8
postgresql_effective_io_concurrency: 1 # 1-1000; 0 disables prefetching
postgresql_max_worker_processes: 8 # (change requires restart)
postgresql_max_parallel_workers_per_gather: 0 # (>= 9.6) taken from max_worker_processes
postgresql_old_snapshot_threshold: -1 # (>= 9.6) 1min-60d; -1 disables; 0 is immediate
# (change requires restart)
postgresql_backend_flush_after: 0 # (>= 9.6) 0 disables, default is 0


#------------------------------------------------------------------------------
Expand All @@ -200,13 +205,16 @@ postgresql_max_worker_processes: 8

# - Settings -

postgresql_wal_level: minimal # minimal, archive, hot_standby, or logical
postgresql_fsync: on # turns forced synchronization on or off
postgresql_wal_level: minimal # minimal, archive (<= 9.5), hot_standby (<= 9.5), replica (>= 9.6), or logical
postgresql_fsync: on # flush data to disk for crash safety
# (turning this off can cause
# unrecoverable data corruption)

# Synchronization level:
# - off
# - local
# - remote_write
# - remote_apply (>= 9.6)
# - on
postgresql_synchronous_commit: "on"

Expand All @@ -223,18 +231,21 @@ postgresql_full_page_writes: on
postgresql_wal_compression: off # (>= 9.5)
postgresql_wal_log_hints: off # also do full page writes of non-critical updates

postgresql_wal_buffers: -1 # min 32kB, -1 sets based on shared_buffers
postgresql_wal_writer_delay: 200ms # 1-10000 milliseconds
postgresql_commit_delay: 0 # range 0-100000, in microseconds
postgresql_commit_siblings: 5 # range 1-1000
postgresql_wal_buffers: -1 # min 32kB, -1 sets based on shared_buffers
postgresql_wal_writer_delay: 200ms # 1-10000 milliseconds
postgresql_wal_writer_flush_after: 1MB # (>= 9.6) 0 disables
postgresql_commit_delay: 0 # range 0-100000, in microseconds
postgresql_commit_siblings: 5 # range 1-1000


# - Checkpoints -

postgresql_checkpoint_segments: 3 # (<= 9.4) in logfile segments, min 1, 16MB each
postgresql_max_wal_size: 1GB # (>= 9.5)
postgresql_min_wal_size: 80MB # (>= 9.5)
postgresql_checkpoint_timeout: 5min # range 30s-1h
postgresql_checkpoint_flush_after: 0 # (>= 9.6) 0 disables,
# default is 256kB on linux, 0 otherwise
postgresql_checkpoint_timeout: 5min # range 30s-1d
postgresql_checkpoint_completion_target: 0.5 # checkpoint target duration, 0.0 - 1.0
postgresql_checkpoint_warning: 30s # 0 disables

Expand Down Expand Up @@ -277,8 +288,9 @@ postgresql_track_commit_timestamp: off # (>= 9.5)

# These settings are ignored on a standby server.

# Standby servers that provide sync rep.
# Comma-separated list of application_name from standby(s)
# standby servers that provide sync rep.
# number of sync standbys (>= 9.6) and comma-separated list of application_name from standby(s)
postgresql_synchronous_standby_num_sync: 1
postgresql_synchronous_standby_names: [] # '*' means 'all'
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@arturmartins arturmartins Oct 10, 2016

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Would make sense to add '*' as default value?


# number of xacts by which cleanup is delayed
Expand Down Expand Up @@ -308,47 +320,51 @@ postgresql_wal_retrieve_retry_interval: 5s # (>= 9.5)

# - Planner Method Configuration -

postgresql_enable_bitmapscan: on
postgresql_enable_hashagg: on
postgresql_enable_hashjoin: on
postgresql_enable_indexscan: on
postgresql_enable_indexonlyscan: on
postgresql_enable_material: on
postgresql_enable_mergejoin: on
postgresql_enable_nestloop: on
postgresql_enable_seqscan: on
postgresql_enable_sort: on
postgresql_enable_tidscan: on
postgresql_enable_bitmapscan: on
postgresql_enable_hashagg: on
postgresql_enable_hashjoin: on
postgresql_enable_indexscan: on
postgresql_enable_indexonlyscan: on
postgresql_enable_material: on
postgresql_enable_mergejoin: on
postgresql_enable_nestloop: on
postgresql_enable_seqscan: on
postgresql_enable_sort: on
postgresql_enable_tidscan: on


# - Planner Cost Constants -

postgresql_seq_page_cost: 1.0 # measured on an arbitrary scale
postgresql_random_page_cost: 4.0 # same scale as above
postgresql_cpu_tuple_cost: 0.01 # same scale as above
postgresql_cpu_index_tuple_cost: 0.005 # same scale as above
postgresql_cpu_operator_cost: 0.0025 # same scale as above
postgresql_effective_cache_size: 128MB
postgresql_seq_page_cost: 1.0 # measured on an arbitrary scale
postgresql_random_page_cost: 4.0 # same scale as above
postgresql_cpu_tuple_cost: 0.01 # same scale as above
postgresql_cpu_index_tuple_cost: 0.005 # same scale as above
postgresql_cpu_operator_cost: 0.0025 # same scale as above
postgresql_parallel_tuple_cost: 0.1 # same scale as above (>= 9.6)
postgresql_parallel_setup_cost: 1000.0 # same scale as above (>= 9.6)
postgresql_min_parallel_relation_size: 8MB # (>= 9.6)
postgresql_effective_cache_size: 128MB


# - Genetic Query Optimizer -

postgresql_geqo: on
postgresql_geqo_threshold: 12
postgresql_geqo_effort: 5 # range 1-10
postgresql_geqo_pool_size: 0 # selects default based on effort
postgresql_geqo_generations: 0 # selects default based on effort
postgresql_geqo_selection_bias: 2.0 # range 1.5-2.0
postgresql_geqo_seed: 0.0 # range 0.0-1.0
postgresql_geqo: on
postgresql_geqo_threshold: 12
postgresql_geqo_effort: 5 # range 1-10
postgresql_geqo_pool_size: 0 # selects default based on effort
postgresql_geqo_generations: 0 # selects default based on effort
postgresql_geqo_selection_bias: 2.0 # range 1.5-2.0
postgresql_geqo_seed: 0.0 # range 0.0-1.0


# - Other Planner Options -

postgresql_default_statistics_target: 100 # range 1-10000
postgresql_constraint_exclusion: partition # on, off, or partition
postgresql_cursor_tuple_fraction: 0.1 # range 0.0-1.0
postgresql_from_collapse_limit: 8
postgresql_join_collapse_limit: 8 # 1 disables collapsing of explicit
postgresql_default_statistics_target: 100 # range 1-10000
postgresql_constraint_exclusion: partition # on, off, or partition
postgresql_cursor_tuple_fraction: 0.1 # range 0.0-1.0
postgresql_from_collapse_limit: 8
postgresql_join_collapse_limit: 8 # 1 disables collapsing of explicit
postgresql_force_parallel_mode: off # (>= 9.6)


#------------------------------------------------------------------------------
Expand All @@ -359,34 +375,36 @@ postgresql_join_collapse_limit: 8 # 1 disables collapsing of expl

# Valid values are combinations of stderr, csvlog, syslog, and eventlog.
# depending on platform. Csvlog requires logging_collector to be on.
postgresql_log_destination: stderr
postgresql_log_destination: stderr

# Enable capturing of stderr and csvlog into log files.
# Required to be on for csvlogs.
postgresql_logging_collector: off
postgresql_logging_collector: off

# These are only used if logging_collector is on:

# Directory where log files are written, can be absolute or relative to PGDATA
postgresql_log_directory: pg_log
postgresql_log_directory: pg_log
# Log file name pattern, can include strftime() escapes
postgresql_log_filename: postgresql-%Y-%m-%d_%H%M%S.log
postgresql_log_file_mode: '0600' # begin with 0 to use octal notation
postgresql_log_filename: postgresql-%Y-%m-%d_%H%M%S.log
postgresql_log_file_mode: '0600' # begin with 0 to use octal notation
# If on, an existing log file with the same name as the new log file will be
# truncated rather than appended to. But such truncation only occurs on
# time-driven rotation, not on restarts or size-driven rotation. Default is
# off, meaning append to existing files in all cases.
postgresql_log_truncate_on_rotation: off
postgresql_log_truncate_on_rotation: off
# Automatic rotation of logfiles will happen after that time.
postgresql_log_rotation_age: 1d
postgresql_log_rotation_age: 1d
# Automatic rotation of logfiles will happen after that much log output.
postgresql_log_rotation_size: 10MB
postgresql_log_rotation_size: 10MB

# These are relevant when logging to syslog:
postgresql_syslog_facility: LOCAL0
postgresql_syslog_ident: postgres
postgresql_syslog_facility: LOCAL0
postgresql_syslog_ident: postgres
postgresql_syslog_sequence_numbers: on # (>= 9.6)
postgresql_syslog_split_messages: on # (>= 9.6)
# This is only relevant when logging to eventlog (win32) (>= 9.2):
postgresql_event_source: PostgreSQL
postgresql_event_source: PostgreSQL


# - When to Log -
Expand Down Expand Up @@ -460,6 +478,7 @@ postgresql_log_hostname: off
# %p = process ID
# %t = timestamp without milliseconds
# %m = timestamp with milliseconds
# %n = timestamp with milliseconds (as a Unix epoch)
# %i = command tag
# %e = SQL state
# %c = session ID
Expand Down Expand Up @@ -552,12 +571,13 @@ postgresql_default_transaction_read_only: off
postgresql_default_transaction_deferrable: off
postgresql_session_replication_role: origin

postgresql_statement_timeout: 0 # in milliseconds, 0 is disabled
postgresql_lock_timeout: 0 # in milliseconds, 0 is disabled (>= 9.3)
postgresql_vacuum_freeze_min_age: 50000000
postgresql_vacuum_freeze_table_age: 150000000
postgresql_vacuum_multixact_freeze_min_age: 5000000 # (>= 9.3)
postgresql_vacuum_multixact_freeze_table_age: 150000000 # (>= 9.3)
postgresql_statement_timeout: 0 # in milliseconds, 0 is disabled
postgresql_lock_timeout: 0 # in milliseconds, 0 is disabled (>= 9.3)
postgresql_idle_in_transaction_session_timeout: 0 # in milliseconds, 0 is disabled (>= 9.6)
postgresql_vacuum_freeze_min_age: 50000000
postgresql_vacuum_freeze_table_age: 150000000
postgresql_vacuum_multixact_freeze_min_age: 5000000 # (>= 9.3)
postgresql_vacuum_multixact_freeze_table_age: 150000000 # (>= 9.3)

postgresql_bytea_output: hex # hex, escape
postgresql_xmlbinary: base64
Expand Down Expand Up @@ -680,6 +700,39 @@ postgresql_pgdg_dists:
Scientific: sl
SLC: sl
OracleLinux: oraclelinux
postgresql_pgdg_releases:
redhat: {
9.1: 8,
9.2: 9,
9.3: 3,
9.4: 3,
9.5: 3,
9.6: 3,
}
centos: {
9.1: 7,
9.2: 8,
9.3: 3,
9.4: 3,
9.5: 3,
9.6: 3,
}
sl: {
9.1: 8,
9.2: 9,
9.3: 3,
9.4: 3,
9.5: 3,
9.6: 3,
}
oraclelinux: {
9.1: 8,
9.2: 9,
9.3: 3,
9.4: 3,
9.5: 3,
9.6: 3,
}
postgresql_version_terse: "{{ postgresql_version | replace('.', '') }}"
postgresql_yum_repository_base_url: "http://yum.postgresql.org"
postgresql_yum_repository_url: "{{ postgresql_yum_repository_base_url }}/{{ postgresql_version }}/{{ ansible_os_family | lower }}/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}/pgdg-{{ postgresql_pgdg_dists[ansible_distribution] }}{{ postgresql_version_terse }}-{{ postgresql_version }}-2.noarch.rpm"
postgresql_yum_repository_url: "{{ postgresql_yum_repository_base_url }}/{{ postgresql_version }}/{{ ansible_os_family | lower }}/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}/pgdg-{{ postgresql_pgdg_dists[ansible_distribution] }}{{ postgresql_version_terse }}-{{ postgresql_version }}-{{ postgresql_pgdg_releases.get(postgresql_pgdg_dists[ansible_distribution]).get(postgresql_version) }}.noarch.rpm"
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@MichaelConrad MichaelConrad Oct 3, 2016

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Not a fan of this approach, but it works better than using "-2.noarch.rpm" in all cases (especially since 9.6 does not have a '2' release for Red Hat).

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