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https://github.com/mastodon/mastodon.git
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Add remove orphans to tootctl statuses remove (#17067)
* Add remove orphans to tootctl statuses remove * Add REINDEX and change option from vacuum to compression-database * Changed to extract the deletion target of conversations to a temporary table * Support progress bar and exceptions when media remove * Add continue option * Fix compression to compress * Remove skip_remove_orphans
This commit is contained in:
Takeshi Umeda
GitHub
parent
211958e8b8
commit
6c8c031bcd
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@ -14,16 +14,21 @@ module Mastodon
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end
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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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option :continue, type: :boolean, default: false, desc: 'If remove is not completed, execute from the previous continuation'
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option :clean_followed, type: :boolean, default: false, desc: 'Include the status of remote accounts that are followed by local accounts as candidates for remove'
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option :skip_status_remove, type: :boolean, default: false, desc: 'Skip status remove (run only cleanup tasks)'
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option :skip_media_remove, type: :boolean, default: false, desc: 'Skip remove orphaned media attachments'
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option :compress_database, type: :boolean, default: false, desc: 'Compress database and update the statistics. This option locks the table for a long time, so run it offline'
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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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ones that came from relays, or belonging to users that were once followed
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by someone locally but no longer are.
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It also removes orphaned records and performs additional cleanup tasks
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such as updating statistics and recovering disk space.
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This is a computationally heavy procedure that creates extra database
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indices before commencing, and removes them afterward.
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LONG_DESC
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@ -33,41 +38,56 @@ module Mastodon
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exit(1)
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end
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remove_statuses
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vacuum_and_analyze_statuses
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remove_orphans_media_attachments
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remove_orphans_conversations
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vacuum_and_analyze_conversations
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end
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private
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def remove_statuses
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return if options[:skip_status_remove]
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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, 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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unless options[:continue] && ActiveRecord::Base.connection.table_exists?('statuses_to_be_deleted')
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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.create_table('statuses_to_be_deleted', temporary: true)
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say('Extract the deletion target from statuses... This might take a while...')
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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.create_table('statuses_to_be_deleted', force: true)
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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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# 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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say('Removing temporary database indices to restore write performance...')
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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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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('Removing temporary database indices to restore write performance...')
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say('Beginning removal... This might take a while...')
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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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end
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say('Beginning statuses removal... This might take a while...')
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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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@ -89,20 +109,7 @@ module Mastodon
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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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ActiveRecord::Base.connection.drop_table('statuses_to_be_deleted')
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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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@ -112,5 +119,108 @@ module Mastodon
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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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def remove_orphans_media_attachments
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return if options[:skip_media_remove]
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start_at = Time.now.to_f
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say('Beginning removal of now-orphaned media attachments to free up disk space...')
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scope = MediaAttachment.reorder(nil).unattached.where('created_at < ?', options[:days].pred.days.ago)
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processed = 0
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removed = 0
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progress = create_progress_bar(scope.count)
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scope.find_each do |media_attachment|
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media_attachment.destroy!
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removed += 1
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rescue => e
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progress.log pastel.red("Error processing #{media_attachment.id}: #{e}")
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ensure
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progress.increment
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processed += 1
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end
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progress.stop
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say("Done after #{Time.now.to_f - start_at}s, removed #{removed} out of #{processed} media_attachments.", :green)
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end
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def remove_orphans_conversations
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start_at = Time.now.to_f
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unless options[:continue] && ActiveRecord::Base.connection.table_exists?('conversations_to_be_deleted')
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say('Creating temporary database indices...')
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ActiveRecord::Base.connection.add_index(:statuses, :conversation_id, name: :index_statuses_conversation_id, algorithm: :concurrently, if_not_exists: true)
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say('Extract the deletion target from coversations... This might take a while...')
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ActiveRecord::Base.connection.create_table('conversations_to_be_deleted', force: true)
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ActiveRecord::Base.connection.exec_insert(<<-SQL.squish, 'SQL')
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INSERT INTO conversations_to_be_deleted (id)
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SELECT id FROM conversations WHERE NOT EXISTS (SELECT 1 FROM statuses WHERE statuses.conversation_id = conversations.id)
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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(:statuses, name: :index_statuses_conversation_id, if_exists: true)
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end
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say('Beginning orphans removal... This might take a while...')
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klass = Class.new(ApplicationRecord) do |c|
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c.table_name = 'conversations_to_be_deleted'
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end
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Object.const_set('ConversationsToBeDeleted', klass)
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scope = ConversationsToBeDeleted
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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.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 += Conversation.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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ActiveRecord::Base.connection.drop_table('conversations_to_be_deleted')
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say("Done after #{Time.now.to_f - start_at}s, removed #{removed} out of #{processed} conversations.", :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(:statuses, name: :index_statuses_conversation_id, if_exists: true)
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end
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def vacuum_and_analyze_statuses
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if options[:compress_database]
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say('Run VACUUM FULL ANALYZE to statuses...')
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ActiveRecord::Base.connection.execute('VACUUM FULL ANALYZE statuses')
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say('Run REINDEX to statuses...')
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ActiveRecord::Base.connection.execute('REINDEX TABLE 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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end
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def vacuum_and_analyze_conversations
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if options[:compress_database]
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say('Run VACUUM FULL ANALYZE to conversations...')
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ActiveRecord::Base.connection.execute('VACUUM FULL ANALYZE conversations')
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say('Run REINDEX to conversations...')
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ActiveRecord::Base.connection.execute('REINDEX TABLE conversations')
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else
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say('Run ANALYZE to conversations...')
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ActiveRecord::Base.connection.execute('ANALYZE conversations')
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end
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end
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end
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end
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