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synapse-old/docs/usage/administration/database_maintenance_tools.md

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Port wiki pages to documentation website (#11402) * move wiki pages to synapse/docs and add a few titles where necessary * update SUMMARY.md with added pages * add changelog * move incorrectly located newsfragment * update changelog number * snake case added files and update summary.md accordingly * update issue/pr links * update relative links to docs * update changelog to indicate that we moved wiki pages to the docs and state reasoning * revert unintentional change to CHANGES.md * add link Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com> * Update CHANGES.md Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com> Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
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This blog post by Victor Berger explains how to use many of the tools listed on this page: https://levans.fr/shrink-synapse-database.html
# List of useful tools and scripts for maintenance Synapse database:
## [Purge Remote Media API](../../admin_api/media_admin_api.md#purge-remote-media-api)
The purge remote media API allows server admins to purge old cached remote media.
Minor cleanup on recently ported doc pages (#11466) * move wiki pages to synapse/docs and add a few titles where necessary * update SUMMARY.md with added pages * add changelog * move incorrectly located newsfragment * update changelog number * snake case added files and update summary.md accordingly * update issue/pr links * update relative links to docs * update changelog to indicate that we moved wiki pages to the docs and state reasoning * requested changes to admin_faq.md * requested changes to database_maintenance_tools.md * requested changes to understanding_synapse_through_graphana_graphs.md * add changelog * fix leftover merge errata * fix unwanted changes from merge * use two spaces between entries * outdent code blocks
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## [Purge Local Media API](../../admin_api/media_admin_api.md#delete-local-media)
This API deletes the *local* media from the disk of your own server.
Port wiki pages to documentation website (#11402) * move wiki pages to synapse/docs and add a few titles where necessary * update SUMMARY.md with added pages * add changelog * move incorrectly located newsfragment * update changelog number * snake case added files and update summary.md accordingly * update issue/pr links * update relative links to docs * update changelog to indicate that we moved wiki pages to the docs and state reasoning * revert unintentional change to CHANGES.md * add link Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com> * Update CHANGES.md Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com> Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
2021-12-01 11:12:19 -07:00
## [Purge History API](../../admin_api/purge_history_api.md)
The purge history API allows server admins to purge historic events from their database, reclaiming disk space.
## [synapse-compress-state](https://github.com/matrix-org/rust-synapse-compress-state)
Tool for compressing (deduplicating) `state_groups_state` table.
Minor cleanup on recently ported doc pages (#11466) * move wiki pages to synapse/docs and add a few titles where necessary * update SUMMARY.md with added pages * add changelog * move incorrectly located newsfragment * update changelog number * snake case added files and update summary.md accordingly * update issue/pr links * update relative links to docs * update changelog to indicate that we moved wiki pages to the docs and state reasoning * requested changes to admin_faq.md * requested changes to database_maintenance_tools.md * requested changes to understanding_synapse_through_graphana_graphs.md * add changelog * fix leftover merge errata * fix unwanted changes from merge * use two spaces between entries * outdent code blocks
2021-12-02 10:46:20 -07:00
## [SQL for analyzing Synapse PostgreSQL database stats](useful_sql_for_admins.md)
Some easy SQL that reports useful stats about your Synapse database.