matrix-docker-ansible-deploy/i18n/locales/jp/LC_MESSAGES/docs/maintenance-postgres.po

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#: ../../../docs/maintenance-postgres.md:1
msgid "PostgreSQL maintenance"
msgstr ""

#: ../../../docs/maintenance-postgres.md:3
msgid ""
"This document shows you how to perform various maintenance tasks related "
"to the Postgres database server used by Matrix."
msgstr ""

#: ../../../docs/maintenance-postgres.md:5
msgid "Table of contents:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:7
msgid ""
"[Getting a database terminal](#getting-a-database-terminal), for when you"
" wish to execute SQL queries"
msgstr ""

#: ../../../docs/maintenance-postgres.md:9
msgid ""
"[Vacuuming PostgreSQL](#vacuuming-postgresql), for when you wish to run a"
" Postgres [VACUUM](https://www.postgresql.org/docs/current/sql-"
"vacuum.html) (optimizing disk space)"
msgstr ""

#: ../../../docs/maintenance-postgres.md:11
msgid ""
"[Backing up PostgreSQL](#backing-up-postgresql), for when you wish to "
"make a backup"
msgstr ""

#: ../../../docs/maintenance-postgres.md:13
msgid ""
"[Upgrading PostgreSQL](#upgrading-postgresql), for upgrading to new major"
" versions of PostgreSQL. Such **manual upgrades are sometimes required**."
msgstr ""

#: ../../../docs/maintenance-postgres.md:15
msgid "[Tuning PostgreSQL](#tuning-postgresql) to make it run faster"
msgstr ""

#: ../../../docs/maintenance-postgres.md:17
msgid "Getting a database terminal"
msgstr ""

#: ../../../docs/maintenance-postgres.md:19
msgid ""
"You can use the `/matrix/postgres/bin/cli` tool to get interactive "
"terminal access ([psql](https://www.postgresql.org/docs/11/app-"
"psql.html)) to the PostgreSQL server."
msgstr ""

#: ../../../docs/maintenance-postgres.md:21
msgid ""
"If you are using an [external Postgres server](configuring-playbook-"
"external-postgres.md), the above tool will not be available."
msgstr ""

#: ../../../docs/maintenance-postgres.md:23
msgid ""
"By default, this tool puts you in the `matrix` database, which contains "
"nothing."
msgstr ""

#: ../../../docs/maintenance-postgres.md:25
msgid "To see the available databases, run `\\list` (or just `\\l`)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:27
msgid ""
"To change to another database (for example `synapse`), run `\\connect "
"synapse` (or just `\\c synapse`)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:29
msgid ""
"You can then proceed to write queries. Example: `SELECT COUNT(*) FROM "
"users;`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:31
msgid ""
"**Be careful**. Modifying the database directly (especially as services "
"are running) is dangerous and may lead to irreversible database "
"corruption. When in doubt, consider [making a backup](#backing-up-"
"postgresql)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:33
msgid "Vacuuming PostgreSQL"
msgstr ""

#: ../../../docs/maintenance-postgres.md:35
msgid ""
"Deleting lots data from Postgres does not make it release disk space, "
"until you perform a [`VACUUM` "
"operation](https://www.postgresql.org/docs/current/sql-vacuum.html)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:37
msgid ""
"You can run different `VACUUM` operations via the playbook, with the "
"default preset being `vacuum-complete`:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:39
msgid ""
"(default) `vacuum-complete`: stops all services temporarily and runs "
"`VACUUM FULL VERBOSE ANALYZE`."
msgstr ""

#: ../../../docs/maintenance-postgres.md:40
msgid ""
"`vacuum-full`: stops all services temporarily and runs `VACUUM FULL "
"VERBOSE`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:41
msgid "`vacuum`: runs `VACUUM VERBOSE` without stopping any services"
msgstr ""

#: ../../../docs/maintenance-postgres.md:42
msgid ""
"`vacuum-analyze` runs `VACUUM VERBOSE ANALYZE` without stopping any "
"services"
msgstr ""

#: ../../../docs/maintenance-postgres.md:43
msgid ""
"`analyze` runs `ANALYZE VERBOSE` without stopping any services (this is "
"just [ANALYZE](https://www.postgresql.org/docs/current/sql-analyze.html) "
"without doing a vacuum, so it's faster)"
msgstr ""

#: ../../../docs/maintenance-postgres.md:45
msgid ""
"**Note**: for the `vacuum-complete` and `vacuum-full` presets, you'll "
"need plenty of available disk space in your Postgres data directory "
"(usually `/matrix/postgres/data`). These presets also stop all services "
"(e.g. Synapse, etc.) while the vacuum operation is running."
msgstr ""

#: ../../../docs/maintenance-postgres.md:47
msgid "Example playbook invocations:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:49
msgid ""
"`just run-tags run-postgres-vacuum`: runs the default `vacuum-complete` "
"preset and restarts all services"
msgstr ""

#: ../../../docs/maintenance-postgres.md:50
msgid ""
"`just run-tags run-postgres-vacuum -e postgres_vacuum_preset=analyze`: "
"runs the `analyze` preset with all services remaining operational at all "
"times"
msgstr ""

#: ../../../docs/maintenance-postgres.md:52
msgid "Backing up PostgreSQL"
msgstr ""

#: ../../../docs/maintenance-postgres.md:54
msgid ""
"To automatically make Postgres database backups on a fixed schedule, see "
"[Setting up postgres backup](configuring-playbook-postgres-backup.md)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:56
msgid ""
"To make a one off back up of the current PostgreSQL database, make sure "
"it's running and then execute a command like this on the server:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:67
msgid ""
"If you are using an [external Postgres server](configuring-playbook-"
"external-postgres.md), the above command will not work, because neither "
"the credentials file (`/matrix/postgres/env-postgres-psql`), nor the "
"`matrix-postgres` container is available."
msgstr ""

#: ../../../docs/maintenance-postgres.md:69
msgid ""
"Restoring a backup made this way can be done by [importing it](importing-"
"postgres.md)."
msgstr ""

#: ../../../docs/maintenance-postgres.md:71
msgid "Upgrading PostgreSQL"
msgstr ""

#: ../../../docs/maintenance-postgres.md:73
msgid ""
"Unless you are using an [external Postgres server](configuring-playbook-"
"external-postgres.md), this playbook initially installs Postgres for you."
msgstr ""

#: ../../../docs/maintenance-postgres.md:75
msgid ""
"Once installed, the playbook attempts to preserve the Postgres version it"
" starts with. This is because newer Postgres versions cannot start with "
"data generated by older Postgres versions."
msgstr ""

#: ../../../docs/maintenance-postgres.md:77
msgid "Upgrades must be performed manually."
msgstr ""

#: ../../../docs/maintenance-postgres.md:79
msgid ""
"This playbook can upgrade your existing Postgres setup with the following"
" command:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:85
msgid ""
"**The old Postgres data directory is backed up** automatically, by "
"renaming it to `/matrix/postgres/data-auto-upgrade-backup`. To rename to "
"a different path, pass some extra flags to the command above, like this: "
"`--extra-vars=\"postgres_auto_upgrade_backup_data_path=/another/disk"
"/matrix-postgres-before-upgrade\"`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:87
msgid ""
"The auto-upgrade-backup directory stays around forever, until you "
"**manually decide to delete it**."
msgstr ""

#: ../../../docs/maintenance-postgres.md:89
msgid ""
"As part of the upgrade, the database is dumped to `/tmp`, an upgraded and"
" empty Postgres server is started, and then the dump is restored into the"
" new server. To use a different directory for the dump, pass some extra "
"flags to the command above, like this: `--extra-"
"vars=\"postgres_dump_dir=/directory/to/dump/here\"`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:91
msgid ""
"To save disk space in `/tmp`, the dump file is gzipped on the fly at the "
"expense of CPU usage. If you have plenty of space in `/tmp` and would "
"rather avoid gzipping, you can explicitly pass a dump filename which "
"doesn't end in `.gz`. Example: `--extra-vars=\"postgres_dump_name=matrix-"
"postgres-dump.sql\"`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:93
msgid "**All databases, roles, etc. on the Postgres server are migrated**."
msgstr ""

#: ../../../docs/maintenance-postgres.md:95
msgid "Tuning PostgreSQL"
msgstr ""

#: ../../../docs/maintenance-postgres.md:97
msgid ""
"PostgreSQL can be "
"[tuned](https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server) "
"to make it run faster. This is done by passing extra arguments to the "
"Postgres process."
msgstr ""

#: ../../../docs/maintenance-postgres.md:99
msgid ""
"The [Postgres Ansible role](https://github.com/mother-of-all-self-hosting"
"/ansible-role-postgres) **already does some tuning by default**, which "
"matches the [tuning "
"logic](https://github.com/le0pard/pgtune/blob/master/src/features/configuration/configurationSlice.js)"
" done by websites like https://pgtune.leopard.in.ua/. You can manually "
"influence some of the tuning variables. These parameters (variables) are "
"injected via the `postgres_postgres_process_extra_arguments_auto` "
"variable."
msgstr ""

#: ../../../docs/maintenance-postgres.md:101
msgid ""
"Most users should be fine with the automatically-done tuning. However, "
"you may wish to:"
msgstr ""

#: ../../../docs/maintenance-postgres.md:103
msgid ""
"**adjust the automatically-determined tuning parameters manually**: "
"change the values for the tuning variables defined in the Postgres role's"
" [default configuration file](https://github.com/mother-of-all-self-"
"hosting/ansible-role-postgres/blob/main/defaults/main.yml) (see "
"`postgres_max_connections`, `postgres_data_storage` etc). These variables"
" are ultimately passed to Postgres via a "
"`postgres_postgres_process_extra_arguments_auto` variable"
msgstr ""

#: ../../../docs/maintenance-postgres.md:105
msgid ""
"**turn automatically-performed tuning off**: override it like this: "
"`postgres_postgres_process_extra_arguments_auto: []`"
msgstr ""

#: ../../../docs/maintenance-postgres.md:107
msgid ""
"**add additional tuning parameters**: define your additional Postgres "
"configuration parameters in "
"`postgres_postgres_process_extra_arguments_custom`. See "
"`postgres_postgres_process_extra_arguments_auto` defined in the Postgres "
"role's [default configuration file](https://github.com/mother-of-all-"
"self-hosting/ansible-role-postgres/blob/main/defaults/main.yml) for "
"inspiration"
msgstr ""