Fix performance of tootctl statuses remove (#17052)
* Fix performance of tootctl statuses remove * Fix model classlolsob-rspec
Takeshi Umeda
GitHub
parent
ad3668eb5f
commit
3b1320f817
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@ -6,6 +6,7 @@ require_relative 'cli_helper'
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module Mastodon
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class StatusesCLI < Thor
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include CLIHelper
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include ActionView::Helpers::NumberHelper
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def self.exit_on_failure?
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@ -15,6 +16,8 @@ module Mastodon
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option :days, type: :numeric, default: 90
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option :clean_followed, type: :boolean
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option :skip_media_remove, type: :boolean
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option :vacuum, type: :boolean, default: false, desc: 'Reduce the file size and update the statistics. This option locks the table for a long time, so run it offline'
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option :batch_size, type: :numeric, default: 1_000, aliases: [:b], desc: 'Number of records in each batch'
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desc 'remove', 'Remove unreferenced statuses'
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long_desc <<~LONG_DESC
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Remove statuses that are not referenced by local user activity, such as
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@ -25,52 +28,89 @@ module Mastodon
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indices before commencing, and removes them afterward.
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LONG_DESC
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def remove
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if options[:batch_size] < 1
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say('Cannot run with this batch_size setting, must be at least 1', :red)
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exit(1)
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end
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say('Creating temporary database indices...')
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ActiveRecord::Base.connection.add_index(:accounts, :id, name: :index_accounts_local, where: 'domain is null', algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:accounts, :index_accounts_local)
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ActiveRecord::Base.connection.add_index(:status_pins, :status_id, name: :index_status_pins_status_id, algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:status_pins, :index_status_pins_status_id)
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ActiveRecord::Base.connection.add_index(:media_attachments, :remote_url, name: :index_media_attachments_remote_url, where: 'remote_url is not null', algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:media_attachments, :index_media_attachments_remote_url)
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ActiveRecord::Base.connection.add_index(:accounts, :id, name: :index_accounts_local, where: 'domain is null', algorithm: :concurrently, if_not_exists: true)
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ActiveRecord::Base.connection.add_index(:status_pins, :status_id, name: :index_status_pins_status_id, algorithm: :concurrently, if_not_exists: true)
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ActiveRecord::Base.connection.add_index(:media_attachments, :remote_url, name: :index_media_attachments_remote_url, where: 'remote_url is not null', algorithm: :concurrently, if_not_exists: true)
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max_id = Mastodon::Snowflake.id_at(options[:days].days.ago)
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start_at = Time.now.to_f
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say('Extract the deletion target... This might take a while...')
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ActiveRecord::Base.connection.create_table('statuses_to_be_deleted', temporary: true)
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# Skip accounts followed by local accounts
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clean_followed_sql = 'AND NOT EXISTS (SELECT 1 FROM follows WHERE statuses.account_id = follows.target_account_id)' unless options[:clean_followed]
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ActiveRecord::Base.connection.exec_insert(<<-SQL.squish, 'SQL', [[nil, max_id]])
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INSERT INTO statuses_to_be_deleted (id)
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SELECT statuses.id FROM statuses WHERE deleted_at IS NULL AND NOT local AND uri IS NOT NULL AND (id < $1)
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AND NOT EXISTS (SELECT 1 FROM statuses AS statuses1 WHERE statuses.id = statuses1.in_reply_to_id)
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AND NOT EXISTS (SELECT 1 FROM statuses AS statuses1 WHERE statuses1.id = statuses.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local))
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AND NOT EXISTS (SELECT 1 FROM statuses AS statuses1 WHERE statuses.id = statuses1.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local OR statuses1.id >= $1))
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AND NOT EXISTS (SELECT 1 FROM status_pins WHERE statuses.id = status_id)
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AND NOT EXISTS (SELECT 1 FROM mentions WHERE statuses.id = mentions.status_id AND mentions.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))
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AND NOT EXISTS (SELECT 1 FROM favourites WHERE statuses.id = favourites.status_id AND favourites.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))
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AND NOT EXISTS (SELECT 1 FROM bookmarks WHERE statuses.id = bookmarks.status_id AND bookmarks.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))
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#{clean_followed_sql}
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SQL
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say('Removing temporary database indices to restore write performance...')
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ActiveRecord::Base.connection.remove_index(:accounts, name: :index_accounts_local, if_exists: true)
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ActiveRecord::Base.connection.remove_index(:status_pins, name: :index_status_pins_status_id, if_exists: true)
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say('Beginning removal... This might take a while...')
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scope = Status.remote.where('id < ?', max_id)
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# Skip reblogs of local statuses
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scope = scope.where('reblog_of_id NOT IN (SELECT statuses1.id FROM statuses AS statuses1 WHERE statuses1.id = statuses.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local))')
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# Skip statuses that are pinned on profiles
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scope = scope.where('id NOT IN (SELECT status_pins.status_id FROM status_pins WHERE statuses.id = status_id)')
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# Skip statuses that mention local accounts
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scope = scope.where('id NOT IN (SELECT mentions.status_id FROM mentions WHERE statuses.id = mentions.status_id AND mentions.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
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# Skip statuses which have replies
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scope = scope.where('id NOT IN (SELECT statuses1.in_reply_to_id FROM statuses AS statuses1 WHERE statuses.id = statuses1.in_reply_to_id)')
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# Skip statuses reblogged by local accounts or with recent boosts
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scope = scope.where('id NOT IN (SELECT statuses1.reblog_of_id FROM statuses AS statuses1 WHERE statuses.id = statuses1.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local OR statuses1.id >= ?))', max_id)
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# Skip statuses favourited by local users
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scope = scope.where('id NOT IN (SELECT favourites.status_id FROM favourites WHERE statuses.id = favourites.status_id AND favourites.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
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# Skip statuses bookmarked by local users
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scope = scope.where('id NOT IN (SELECT bookmarks.status_id FROM bookmarks WHERE statuses.id = bookmarks.status_id AND bookmarks.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
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unless options[:clean_followed]
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# Skip accounts followed by local accounts
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scope = scope.where('account_id NOT IN (SELECT follows.target_account_id FROM follows WHERE statuses.account_id = follows.target_account_id)')
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klass = Class.new(ApplicationRecord) do |c|
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c.table_name = 'statuses_to_be_deleted'
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end
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scope.in_batches.delete_all
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Object.const_set('StatusToBeDeleted', klass)
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scope = StatusToBeDeleted
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processed = 0
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removed = 0
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progress = create_progress_bar(scope.count.fdiv(options[:batch_size]).ceil)
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scope.reorder(nil).in_batches(of: options[:batch_size]) do |relation|
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ids = relation.pluck(:id)
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processed += ids.count
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removed += Status.unscoped.where(id: ids).delete_all
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progress.increment
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end
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progress.stop
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if options[:vacuum]
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say('Run VACUUM and ANALYZE to statuses...')
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ActiveRecord::Base.connection.execute('VACUUM FULL ANALYZE statuses')
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else
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say('Run ANALYZE to statuses...')
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ActiveRecord::Base.connection.execute('ANALYZE statuses')
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end
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unless options[:skip_media_remove]
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say('Beginning removal of now-orphaned media attachments to free up disk space...')
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Scheduler::MediaCleanupScheduler.new.perform
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end
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say("Done after #{Time.now.to_f - start_at}s", :green)
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say("Done after #{Time.now.to_f - start_at}s, removed #{removed} out of #{processed} statuses.", :green)
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ensure
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say('Removing temporary database indices to restore write performance...')
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ActiveRecord::Base.connection.remove_index(:accounts, name: :index_accounts_local) if ActiveRecord::Base.connection.index_name_exists?(:accounts, :index_accounts_local)
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ActiveRecord::Base.connection.remove_index(:status_pins, name: :index_status_pins_status_id) if ActiveRecord::Base.connection.index_name_exists?(:status_pins, :index_status_pins_status_id)
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ActiveRecord::Base.connection.remove_index(:media_attachments, name: :index_media_attachments_remote_url) if ActiveRecord::Base.connection.index_name_exists?(:media_attachments, :index_media_attachments_remote_url)
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ActiveRecord::Base.connection.remove_index(:accounts, name: :index_accounts_local, if_exists: true)
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ActiveRecord::Base.connection.remove_index(:status_pins, name: :index_status_pins_status_id, if_exists: true)
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ActiveRecord::Base.connection.remove_index(:media_attachments, name: :index_media_attachments_remote_url, if_exists: true)
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end
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end
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end
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