forked from fedi/mastodon
Fix PostgreSQL load when linking in announcements (#13250)
* Fix PostgreSQL load when linking in announcements Fixes #13245 by caching status lookups Since statuses are supposed to be known already and we only need their URLs and a few other things, caching them should be fine. Since it's only used by announcements so far, there won't be much statuses to cache. * Perform status lookup when saving announcements, not when rendering them * Change EntityCache#status to fetch URLs instead of looking into the database * Move announcement link lookup to publishing worker * Address issues pointed out during review
This commit is contained in:
parent
a889756dd5
commit
89e28c7674
|
@ -7,6 +7,10 @@ class EntityCache
|
|||
|
||||
MAX_EXPIRATION = 7.days.freeze
|
||||
|
||||
def status(url)
|
||||
Rails.cache.fetch(to_key(:status, url), expires_in: MAX_EXPIRATION) { FetchRemoteStatusService.new.call(url) }
|
||||
end
|
||||
|
||||
def mention(username, domain)
|
||||
Rails.cache.fetch(to_key(:mention, username, domain), expires_in: MAX_EXPIRATION) { Account.select(:id, :username, :domain, :url).find_remote(username, domain) }
|
||||
end
|
||||
|
|
|
@ -14,6 +14,7 @@
|
|||
# created_at :datetime not null
|
||||
# updated_at :datetime not null
|
||||
# published_at :datetime
|
||||
# status_ids :bigint is an Array
|
||||
#
|
||||
|
||||
class Announcement < ApplicationRecord
|
||||
|
@ -49,7 +50,13 @@ class Announcement < ApplicationRecord
|
|||
end
|
||||
|
||||
def statuses
|
||||
@statuses ||= Status.from_text(text)
|
||||
@statuses ||= begin
|
||||
if status_ids.nil?
|
||||
[]
|
||||
else
|
||||
Status.where(id: status_ids, visibility: [:public, :unlisted])
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def tags
|
||||
|
|
|
@ -379,7 +379,7 @@ class Status < ApplicationRecord
|
|||
if TagManager.instance.local_url?(url)
|
||||
ActivityPub::TagManager.instance.uri_to_resource(url, Status)
|
||||
else
|
||||
Status.find_by(uri: url) || Status.find_by(url: url)
|
||||
EntityCache.instance.status(url)
|
||||
end
|
||||
end
|
||||
status&.distributable? ? status : nil
|
||||
|
|
|
@ -5,15 +5,24 @@ class PublishScheduledAnnouncementWorker
|
|||
include Redisable
|
||||
|
||||
def perform(announcement_id)
|
||||
announcement = Announcement.find(announcement_id)
|
||||
@announcement = Announcement.find(announcement_id)
|
||||
|
||||
announcement.publish! unless announcement.published?
|
||||
refresh_status_ids!
|
||||
|
||||
payload = InlineRenderer.render(announcement, nil, :announcement)
|
||||
@announcement.publish! unless @announcement.published?
|
||||
|
||||
payload = InlineRenderer.render(@announcement, nil, :announcement)
|
||||
payload = Oj.dump(event: :announcement, payload: payload)
|
||||
|
||||
FeedManager.instance.with_active_accounts do |account|
|
||||
redis.publish("timeline:#{account.id}", payload) if redis.exists("subscribed:timeline:#{account.id}")
|
||||
end
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def refresh_status_ids!
|
||||
@announcement.status_ids = Status.from_text(@announcement.text).map(&:id)
|
||||
@announcement.save
|
||||
end
|
||||
end
|
||||
|
|
|
@ -0,0 +1,6 @@
|
|||
class AddStatusIdsToAnnouncements < ActiveRecord::Migration[5.2]
|
||||
def change
|
||||
add_column :announcements, :status_ids, :bigint, array: true
|
||||
end
|
||||
end
|
||||
|
|
@ -231,6 +231,7 @@ ActiveRecord::Schema.define(version: 2020_03_12_185443) do
|
|||
t.datetime "created_at", null: false
|
||||
t.datetime "updated_at", null: false
|
||||
t.datetime "published_at"
|
||||
t.bigint "status_ids", array: true
|
||||
end
|
||||
|
||||
create_table "backups", force: :cascade do |t|
|
||||
|
|
Loading…
Reference in a new issue