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+40/"1*ͱ
αʔϏεߴԽ
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ࣗݾհ
w 5XJUUFS!MOJ@5
(JUIVC!MOJU
w .FE1FFS&OHJOFFS ʙ
w ͖ͳ3BJMTͷϝιου
QSFTFODF
w ݏ͍ͳ3BJMTͷϝιου
BDDFQUT@OFTUFE@BUUSJCVUFT@GPS
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ΫϦχοΫ։ۀࢧԉ
ϓϥοτϑΥʔϜ
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݅୳͠
ϊϋऩू
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ͭͬͨ͘ػೳ
(PPHMF.BQ্Ͱ
݅୳͠
ڝ߹ͷఁ
ױऀ༧ଌ
͕ͻͱͰ͔Δͭ
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ϦϦʔεޙʹ͕
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ͱ͍ͯ
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ද͕͍ࣔ
ݕࡧ͔ͯ͠Β݅Λදࣔ͢Δ·Ͱʜ
ඵʙඵ
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݅୳͠αʔϏε
ͳͷʹ
୳͢ͷ͕͍ʂ
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+40/"1*Λ͘ʂ
ˢຊͷςʔϚ
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ݪҼʁ
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བྷతࢥߟ
ฦ٫͢Δ݅ʹൺྫͯ͠ύϑΥʔϚϯεѱԽ
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བྷతࢥߟ
ฦ٫͢Δ݅ʹൺྫͯ͠ύϑΥʔϚϯεѱԽ
ύϑΥʔϚϯεͱ͍͑%#
Ͱ
͑
͑
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བྷతࢥߟ
%#पΓͷΑ͋͘ΔରԠΛͬͯΒͬͨ
JOEFYுΔ
/ͳ͘͢
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ղܾʂ
ΊͰͨ͠ʁ
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ղܾ͠ͳ͔ͬͨ
݅"1*
վળલ վળޙ
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ͱ͍ͯˠ͍
ඵˠඵ
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ϘτϧωοΫ୳͠
%#͡Όͳ͍ͳΒʜ
Completed 200 OK in 2199ms (Views: 2127.1ms | ActiveRecord: 51.2ms)
Completed 200 OK in 2300ms (Views: 2200.7ms | ActiveRecord: 67.0ms)
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ϘτϧωοΫ୳͠
7JFXT͕͍ʂ
KTPOͷϨϯμϦϯά෦ʁ
(Views: 2127.1ms | ActiveRecord: 51.2ms)
(Views: 2200.7ms | ActiveRecord: 67.0ms)
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+40/γϦΞϥΠζ
ͳΜͱ͔͢Δ
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+40/γϦΞϥΠζ
ʮ"DUJWF.PEFM4FSJBMJ[FSTʯΛར༻͍ͯͨ͠
ฮHFNͰ͍͍͢
ύϑΥʔϚϯε໘ͰଞHFNͱൺֱ͞Ε͕ͪ
KCVJMEFSΑΓ͍ͷ͕ͩʜ
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Γ͑ʂ
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ͦͦ
+40/γϦΞϥΠβ
Կ͍͍͑ʁ
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ௐࠪ
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ଟछଟ༷ͳબࢶ
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No content
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+40/γϦΞϥΠβ
ઓࠃ࣌
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ൺֱ
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ൺֱ
ൺֱର
KCVJMEFS
"DUJWF.PEFM4FSJBMJ[FST ".4
GBTU@KTPOBQJ
KC
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KCVJMEFS
# app/views/messages/show.json.jbuilder
json.content format_content(@message.content)
json.(@message, :created_at, :updated_at)
json.author do
json.name @message.creator.name.familiar
json.email_address @message.creator.email_address_with_name
json.url url_for(@message.creator, format: :json)
end
json.comments @message.comments, :content, :created_at
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KCVJMEFS
(PPE
3BJMTσϑΥϧτࡌ ৽نϝϯόͷֶशίετ
ϝϯς͞Ε͍ͯΔ 3BJMTίΞνʔϜ
ҙͷεΩʔϚͰฦ٫Ͱ͖Δ
#BE
ʜ
ಠಛͳه๏͕ͳ͡·ͳ͍ਓଟ͍
0UIFS
(*U)VCελʔL
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".4
class PostSerializer < ActiveModel::Serializer
attributes :title, :body
has_many :comments
has_one :author
end
class CommentSerializer < ActiveModel::Serializer
attributes :name, :body
belongs_to :post
end
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".4
(PPE
4FSJBMJ[FSΫϥεͷ࣮ςετ͕Մೳ
ҙͷεΩʔϚͰฦ٫Ͱ͖Δ
#BE
ϝϯςφϯε͞Ε͍ͯͳ͍
0UIFS
KCVJMEFSΑΓ͍͕ଞHFNͱൺֱ͢Δͱ͍
(JU)VCελʔL
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GBTU@KTPOBQJ
class MovieSerializer
include FastJsonapi::ObjectSerializer
attributes :name, :year
has_many :actors
belongs_to :owner, record_type: :user
belongs_to :movie_type
end
json_string = MovieSerializer.new(movie).serialized_json
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GBTU@KTPOBQJ
(PPE
4FSJBMJ[FSΫϥεͷ࣮ςετ͕Մೳ
ߴʂ
#BE
ϝϯςφϯε͞Ε͍ͯͳ͍
˞ຊՈ͔Β'PSL͞ΕͨϦϙδτϦͰϝϯς͞ΕͯΔ
0UIFS
εΩʔϚ͕+40/"1*ʹݶఆ͞ΕΔ
(JU)VCελʔL
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GBTU@KTPOBQJ
+40/"1*
+40/ߏͷن
UZQF
JEඞਢ
ΞιγΤʔγϣϯ
SFMBUJPOTIJQT
JODMVEFE
Ͱදݱ͢Δ
{
"data": [{
"type": "articles",
"id": "1",
"attributes": {
"title": "JSON:API paints my bikeshed!"
},
"relationships": {
"author": {
"data": { "type": "people", "id": "9" }
},
},
}],
"included": [{
"type": "people",
"id": "9",
"attributes": {
"firstName": "Dan",
"lastName": "Gebhardt",
},
}]
}
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KC
# app/views/messages/show.json.jb
json = {
content: format_content(@message.content),
created_at: @message.created_at,
updated_at: @message.updated_at,
author: {
name: @message.creator.name.familiar,
email_address: @message.creator.email_address_with_name,
url: url_for(@message.creator, format: :json)
}
}
json[:comments] = @message.comments.map do |comment|
{
content: comment.content,
created_at: comment.created_at
}
end
json
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KC
(PPE
KCVJMEFSΑΓૉʹ3VCZͬΆ͘ॻ͚Δ
ߴʂ
ҙͷεΩʔϚͰฦ٫Ͱ͖Δ
ϝϯςφϯε͞Ε͍ͯΔ
#BE
ʮ4FSJBMJ[FSͷςετॻ͖͍ͨʂʯਓ߹Θͳ͍͔
3FRVFTU4QFD4ZTUFN4QFDͰॻ͘͜ͱʹͳΔ
0UIFS
(JU)VCελʔ
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KCVJMEFS ".4
GBTU@
KTPOBQJ
KC
º ˓ ˕ ˕
εΩʔϚ
ࣗ༝
˓ ˓ ˚ ˓
ςετ
͢͠͞
˚ ˓ ˓ ˚
HFN
ϝϯς
˕ º ˚ ˓
˞ݸਓͷײͰ͢
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ɾТɾʆ
Ͳ͏͠Α͏
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ࠓճ͕ͳͷͰ
ϕϯνϚʔΫ
ΈΜͳ͍͖ͩ͢
CFODINBSLJQT
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CFODINBSLJQT
def benchmark
Benchmark.ips do |x|
x.report('ams') do
render_to_string json: ams_tenants,
serializer: Ams::TenantSerializer
end
x.report('fast_jsonapi') do
json = FastJsonapi::TenantSerializer.new(tenants).serialized_json
render_to_string json: json
end
x.report('jb') do
render_to_string 'index'
end
x.compare!
end
end
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CFODINBSLJQT
".4ˠGBTU@KTPOBQJKCʹΓ͑Δ͚ͩͰʜ
ഒݟࠐΈʂ˞EFWFMPQNFOUڥଌఆ
Αͦ͞͏ʂ
Comparison:
jb: 2.0 i/s
fast_jsonapi: 1.8 i/s - 1.10x (± 0.00) slower
ams: 1.2 i/s - 1.64x (± 0.00) slower
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Γ͑
Ұ෦"1*ͷʮKCʯͷΓ͑Λબ
બఆཧ༝
ߴ
ҙͷεΩʔϚͰฦ٫Ͱ͖Δ
+4ଆ࣮ࡁͷͨΊεΩʔϚมߋΓͨ͘ͳ͍
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ຊ൪ϦϦʔε݁Ռ
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TҎ౸ୡʂ
"status":200,"duration":449.96,"view":299.48,"db":97.36
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TҎ౸ୡʂ
݅"1*
վળલ վળͦͷ վળͦͷ
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ΊͰͨ͠
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·ͱΊ
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֤HFNͷॴײ
KCVJMEFS
ඪ४ࡌ͕ڧΈ ֶशίετɺϝϯςφϯεܧଓੑ
։ൃίετॏࢹʹ͕ແ͍߹ʹ͓͢͢Ί
ࠓޙ৽ͨͳΓ͑ઌ͕ݟ͔ͭΔʜ͔ʁ
"DUJWF.PEFM4FSJBMJ[FST
ͳΜ͔ͩΜ͍͍ͩ͢
ϝϯς͞Εͯͳ͍ͷ͕ਏ͍ʜ
ࠓ͍͑ͯΔਓɺ
ٸ͗Γ͑ͳͯ͘Αͦ͞͏
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֤HFNͷॴײ
GBTU@KTPOBQJ
ॏࢹͷ߹ʹ͓͢͢Ί
+40/"1*ͷ੍Λڐ༰Ͱ͖ΔͳΒ͍͍͢
˞ύονͰಈ࡞Λվม͢Δཪٕ
KC
ॏࢹͷ߹ʹ͓͢͢Ί
7JFXʹ௨ৗͷSVCZͬΆ͘ॻ͘ه๏͕߹͍͍͑͢
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·ͱΊ
ϘτϧωοΫͭͱݶΒͳ͍ͷͰࠜؾΑ͘վળ͠Α͏
ϓϩμΫτͷɺϏδωεͷঢ়گΛؑΈͯ
ͦͷ࣌ʑʹ߹ٕͬͨज़બఆΛ͠Α͏
ͲͷΞϓϦʹ߹͏+40/γϦΞϥΠβͷܾఆ൛
ݱࡏܾΊΒΕͳͦ͞͏
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KCVJMEFS ".4
GBTU@
KTPOBQJ
KC
º ˓ ˕ ˕
εΩʔϚ
ࣗ༝
˓ ˓ ˚ ˓
ςετ
͢͠͞
˚ ˓ ˓ ˚
HFN
ϝϯςφ
˕ º ˚ ˓