Add caching layer to metrics (#17617)

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Eugen Rochko 2022-02-22 15:27:08 +01:00 committed by GitHub
parent 8338826963
commit b377022cf9
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18 changed files with 165 additions and 55 deletions

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@ -1,23 +1,34 @@
# frozen_string_literal: true
class Admin::Metrics::Dimension::BaseDimension
CACHE_TTL = 5.minutes.freeze
def self.with_params?
false
end
attr_reader :loaded
alias loaded? loaded
def initialize(start_at, end_at, limit, params)
@start_at = start_at&.to_datetime
@end_at = end_at&.to_datetime
@limit = limit&.to_i
@params = params
@loaded = false
end
def key
raise NotImplementedError
end
def cache_key
["metrics/dimension/#{key}", @start_at, @end_at, @limit, canonicalized_params].join(';')
end
def data
raise NotImplementedError
load
end
def self.model_name
@ -30,11 +41,28 @@ class Admin::Metrics::Dimension::BaseDimension
protected
def load
unless loaded?
@values = Rails.cache.fetch(cache_key, expires_in: CACHE_TTL) { perform_query }
@loaded = true
end
@values
end
def perform_query
raise NotImplementedError
end
def time_period
(@start_at..@end_at)
end
def params
raise NotImplementedError
{}
end
def canonicalized_params
params.to_h.to_a.sort_by { |k, _v| k.to_s }.map { |k, v| "#{k}=#{v}" }.join(';')
end
end

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@ -7,7 +7,9 @@ class Admin::Metrics::Dimension::LanguagesDimension < Admin::Metrics::Dimension:
'languages'
end
def data
protected
def perform_query
sql = <<-SQL.squish
SELECT locale, count(*) AS value
FROM users

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@ -5,7 +5,9 @@ class Admin::Metrics::Dimension::ServersDimension < Admin::Metrics::Dimension::B
'servers'
end
def data
protected
def perform_query
sql = <<-SQL.squish
SELECT accounts.domain, count(*) AS value
FROM statuses

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@ -7,12 +7,12 @@ class Admin::Metrics::Dimension::SoftwareVersionsDimension < Admin::Metrics::Dim
'software_versions'
end
def data
protected
def perform_query
[mastodon_version, ruby_version, postgresql_version, redis_version]
end
private
def mastodon_version
value = Mastodon::Version.to_s

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@ -5,7 +5,9 @@ class Admin::Metrics::Dimension::SourcesDimension < Admin::Metrics::Dimension::B
'sources'
end
def data
protected
def perform_query
sql = <<-SQL.squish
SELECT oauth_applications.name, count(*) AS value
FROM users

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@ -8,12 +8,12 @@ class Admin::Metrics::Dimension::SpaceUsageDimension < Admin::Metrics::Dimension
'space_usage'
end
def data
protected
def perform_query
[postgresql_size, redis_size, media_size]
end
private
def postgresql_size
value = ActiveRecord::Base.connection.execute('SELECT pg_database_size(current_database())').first['pg_database_size']

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@ -11,7 +11,9 @@ class Admin::Metrics::Dimension::TagLanguagesDimension < Admin::Metrics::Dimensi
'tag_languages'
end
def data
protected
def perform_query
sql = <<-SQL.squish
SELECT COALESCE(statuses.language, 'und') AS language, count(*) AS value
FROM statuses
@ -28,8 +30,6 @@ class Admin::Metrics::Dimension::TagLanguagesDimension < Admin::Metrics::Dimensi
rows.map { |row| { key: row['language'], human_key: standard_locale_name(row['language']), value: row['value'].to_s } }
end
private
def params
@params.permit(:id)
end

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@ -9,7 +9,9 @@ class Admin::Metrics::Dimension::TagServersDimension < Admin::Metrics::Dimension
'tag_servers'
end
def data
protected
def perform_query
sql = <<-SQL.squish
SELECT accounts.domain, count(*) AS value
FROM statuses
@ -27,8 +29,6 @@ class Admin::Metrics::Dimension::TagServersDimension < Admin::Metrics::Dimension
rows.map { |row| { key: row['domain'] || Rails.configuration.x.local_domain, human_key: row['domain'] || Rails.configuration.x.local_domain, value: row['value'].to_s } }
end
private
def params
@params.permit(:id)
end

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@ -5,20 +5,20 @@ class Admin::Metrics::Measure::ActiveUsersMeasure < Admin::Metrics::Measure::Bas
'active_users'
end
def total
protected
def perform_total_query
activity_tracker.sum(time_period.first, time_period.last)
end
def previous_total
def perform_previous_total_query
activity_tracker.sum(previous_time_period.first, previous_time_period.last)
end
def data
def perform_data_query
activity_tracker.get(time_period.first, time_period.last).map { |date, value| { date: date.to_time(:utc).iso8601, value: value.to_s } }
end
protected
def activity_tracker
@activity_tracker ||= ActivityTracker.new('activity:logins', :unique)
end

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@ -1,14 +1,25 @@
# frozen_string_literal: true
class Admin::Metrics::Measure::BaseMeasure
CACHE_TTL = 5.minutes.freeze
def self.with_params?
false
end
attr_reader :loaded
alias loaded? loaded
def initialize(start_at, end_at, params)
@start_at = start_at&.to_datetime
@end_at = end_at&.to_datetime
@params = params
@loaded = false
end
def cache_key
["metrics/measure/#{key}", @start_at, @end_at, canonicalized_params].join(';')
end
def key
@ -16,15 +27,15 @@ class Admin::Metrics::Measure::BaseMeasure
end
def total
raise NotImplementedError
load[:total]
end
def previous_total
raise NotImplementedError
load[:previous_total]
end
def data
raise NotImplementedError
load[:data]
end
def self.model_name
@ -37,6 +48,35 @@ class Admin::Metrics::Measure::BaseMeasure
protected
def load
unless loaded?
@values = Rails.cache.fetch(cache_key, expires_in: CACHE_TTL) { perform_queries }.with_indifferent_access
@loaded = true
end
@values
end
def perform_queries
{
total: perform_total_query,
previous_total: perform_previous_total_query,
data: perform_data_query,
}
end
def perform_total_query
raise NotImplementedError
end
def perform_previous_total_query
raise NotImplementedError
end
def perform_data_query
raise NotImplementedError
end
def time_period
(@start_at..@end_at)
end
@ -50,6 +90,10 @@ class Admin::Metrics::Measure::BaseMeasure
end
def params
raise NotImplementedError
{}
end
def canonicalized_params
params.to_h.to_a.sort_by { |k, _v| k.to_s }.map { |k, v| "#{k}=#{v}" }.join(';')
end
end

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@ -5,20 +5,20 @@ class Admin::Metrics::Measure::InteractionsMeasure < Admin::Metrics::Measure::Ba
'interactions'
end
def total
protected
def perform_total_query
activity_tracker.sum(time_period.first, time_period.last)
end
def previous_total
def perform_previous_total_query
activity_tracker.sum(previous_time_period.first, previous_time_period.last)
end
def data
def perform_data_query
activity_tracker.get(time_period.first, time_period.last).map { |date, value| { date: date.to_time(:utc).iso8601, value: value.to_s } }
end
protected
def activity_tracker
@activity_tracker ||= ActivityTracker.new('activity:interactions', :basic)
end

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@ -5,15 +5,17 @@ class Admin::Metrics::Measure::NewUsersMeasure < Admin::Metrics::Measure::BaseMe
'new_users'
end
def total
protected
def perform_total_query
User.where(created_at: time_period).count
end
def previous_total
def perform_previous_total_query
User.where(created_at: previous_time_period).count
end
def data
def perform_data_query
sql = <<-SQL.squish
SELECT axis.*, (
WITH new_users AS (

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@ -5,15 +5,17 @@ class Admin::Metrics::Measure::OpenedReportsMeasure < Admin::Metrics::Measure::B
'opened_reports'
end
def total
protected
def perform_total_query
Report.where(created_at: time_period).count
end
def previous_total
def perform_previous_total_query
Report.where(created_at: previous_time_period).count
end
def data
def perform_data_query
sql = <<-SQL.squish
SELECT axis.*, (
WITH new_reports AS (

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@ -5,15 +5,17 @@ class Admin::Metrics::Measure::ResolvedReportsMeasure < Admin::Metrics::Measure:
'resolved_reports'
end
def total
protected
def perform_total_query
Report.resolved.where(action_taken_at: time_period).count
end
def previous_total
def perform_previous_total_query
Report.resolved.where(action_taken_at: previous_time_period).count
end
def data
def perform_data_query
sql = <<-SQL.squish
SELECT axis.*, (
WITH resolved_reports AS (

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@ -9,20 +9,20 @@ class Admin::Metrics::Measure::TagAccountsMeasure < Admin::Metrics::Measure::Bas
'tag_accounts'
end
def total
protected
def perform_total_query
tag.history.aggregate(time_period).accounts
end
def previous_total
def perform_previous_total_query
tag.history.aggregate(previous_time_period).accounts
end
def data
def perform_data_query
time_period.map { |date| { date: date.to_time(:utc).iso8601, value: tag.history.get(date).accounts.to_s } }
end
protected
def tag
@tag ||= Tag.find(params[:id])
end

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@ -9,15 +9,17 @@ class Admin::Metrics::Measure::TagServersMeasure < Admin::Metrics::Measure::Base
'tag_servers'
end
def total
protected
def perform_total_query
tag.statuses.where('statuses.id BETWEEN ? AND ?', Mastodon::Snowflake.id_at(@start_at, with_random: false), Mastodon::Snowflake.id_at(@end_at, with_random: false)).joins(:account).count('distinct accounts.domain')
end
def previous_total
def perform_previous_total_query
tag.statuses.where('statuses.id BETWEEN ? AND ?', Mastodon::Snowflake.id_at(@start_at - length_of_period, with_random: false), Mastodon::Snowflake.id_at(@end_at - length_of_period, with_random: false)).joins(:account).count('distinct accounts.domain')
end
def data
def perform_data_query
sql = <<-SQL.squish
SELECT axis.*, (
SELECT count(distinct accounts.domain) AS value
@ -38,8 +40,6 @@ class Admin::Metrics::Measure::TagServersMeasure < Admin::Metrics::Measure::Base
rows.map { |row| { date: row['day'], value: row['value'].to_s } }
end
protected
def tag
@tag ||= Tag.find(params[:id])
end

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@ -9,20 +9,20 @@ class Admin::Metrics::Measure::TagUsesMeasure < Admin::Metrics::Measure::BaseMea
'tag_uses'
end
def total
protected
def perform_total_query
tag.history.aggregate(time_period).uses
end
def previous_total
def perform_previous_total_query
tag.history.aggregate(previous_time_period).uses
end
def data
def perform_data_query
time_period.map { |date| { date: date.to_time(:utc).iso8601, value: tag.history.get(date).uses.to_s } }
end
protected
def tag
@tag ||= Tag.find(params[:id])
end

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@ -1,6 +1,8 @@
# frozen_string_literal: true
class Admin::Metrics::Retention
CACHE_TTL = 5.minutes.freeze
class Cohort < ActiveModelSerializers::Model
attributes :period, :frequency, :data
end
@ -9,13 +11,37 @@ class Admin::Metrics::Retention
attributes :date, :rate, :value
end
attr_reader :loaded
alias loaded? loaded
def initialize(start_at, end_at, frequency)
@start_at = start_at&.to_date
@end_at = end_at&.to_date
@frequency = %w(day month).include?(frequency) ? frequency : 'day'
@loaded = false
end
def cache_key
['metrics/retention', @start_at, @end_at, @frequency].join(';')
end
def cohorts
load
end
protected
def load
unless loaded?
@values = Rails.cache.fetch(cache_key, expires_in: CACHE_TTL) { perform_query }
@loaded = true
end
@values
end
def perform_query
sql = <<-SQL.squish
SELECT axis.*, (
WITH new_users AS (