Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
MongoDB for Analytics
Search
John Nunemaker
PRO
May 04, 2012
Programming
21
2.2k
MongoDB for Analytics
Presented at MongoSF on May 4th, 2012.
John Nunemaker
PRO
May 04, 2012
Tweet
Share
More Decks by John Nunemaker
See All by John Nunemaker
Atom
jnunemaker
PRO
7
3.2k
MongoDB for Analytics
jnunemaker
PRO
8
670
Addicted to Stable
jnunemaker
PRO
32
2.1k
MongoDB for Analytics
jnunemaker
PRO
16
29k
Why You Should Never Use an ORM
jnunemaker
PRO
51
8.6k
Why NoSQL?
jnunemaker
PRO
10
820
Don't Repeat Yourself, Repeat Others
jnunemaker
PRO
7
3.2k
I Have No Talent
jnunemaker
PRO
14
840
Why MongoDB Is Awesome
jnunemaker
PRO
18
4.2k
Other Decks in Programming
See All in Programming
FigmaとPHPで作る1ミリたりとも表示崩れしない最強の帳票印刷ソリューション
ttskch
43
19k
GitHub Actionsで泣かないためにやっておきたい設定 / Recommended GHA settings to avoid crying
pinkumohikan
3
540
MicrosoftのPlatform Engineeringガイドを読んで実際になにかやってみた
ymd65536
1
340
SwiftUIで使いやすいToastの作り方 / How to build a Toast system which is easy to use in SwiftUI
lovee
3
150
Rethinking UI building strategies @ SFI 2024
letelete
0
270
初心者のためのRubyKaigi入門/RubyKaigi Introduction
a_matsuda
2
790
PostmanでAPIの動作確認が楽になった話
h455h1
0
170
Netty Chicago Java User Group 2024-04-17
sullis
0
180
[技育CAMPアカデミア]アイディアを形に!【超入門】スマホアプリ開発〜リリースまでの流れをご紹介
teamlab
PRO
0
380
Tailwind CSSを本気でカスタマイズする方法
fsubal
13
5.3k
Apache Hive 4 on Treasure Data
ryukobayashi
0
340
PHP8.3の機能を振り返る / Review of PHP 8.3 features
seike460
PRO
1
110
Featured
See All Featured
ParisWeb 2013: Learning to Love: Crash Course in Emotional UX Design
dotmariusz
104
6.6k
Fashionably flexible responsive web design (full day workshop)
malarkey
398
65k
Building a Scalable Design System with Sketch
lauravandoore
456
32k
Bootstrapping a Software Product
garrettdimon
PRO
302
110k
[RailsConf 2023] Rails as a piece of cake
palkan
23
4k
The Pragmatic Product Professional
lauravandoore
25
5.8k
The Language of Interfaces
destraynor
151
23k
Navigating Team Friction
lara
178
13k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
25
2.3k
Teambox: Starting and Learning
jrom
128
8.4k
Bash Introduction
62gerente
604
210k
Keith and Marios Guide to Fast Websites
keithpitt
408
22k
Transcript
GitHub John Nunemaker MongoSF 2012 May 4, 2012 MongoDB for
Analytics A loving conversation with @jnunemaker
None
Background How hernias can be good for you
None
None
1 month Of evenings and weekends
1 year Since public launch
13 tiny servers 2 web, 6 app, 3 db, 2
queue
7-8 Million Page views per day
None
None
None
None
Implementation Imma show you how we do what we do
baby
Doing It (mostly) Live No aggregate querying
None
None
get('/track.gif') do track_service.record(...) TrackGif end
class TrackService def record(attrs) message = MessagePack.pack(attrs) @client.set(@queue, message) end
end
class TrackProcessor def run loop { process } end def
process record @client.get(@queue) end def record(message) attrs = MessagePack.unpack(message) Hit.record(attrs) end end
http://bit.ly/rt-kestrel
class Hit def record site.atomic_update(site_updates) Resolution.record(self) Technology.record(self) Location.record(self) Referrer.record(self) Content.record(self)
Search.record(self) Notification.record(self) View.record(self) end end
class Resolution def record(hit) query = {'_id' => "..."} update
= {'$inc' => {}} update['$inc']["sx.#{hit.screenx}"] = 1 update['$inc']["bx.#{hit.browserx}"] = 1 update['$inc']["by.#{hit.browsery}"] = 1 collection(hit.created_on) .update(query, update, :upsert => true) end end end
Pros
Pros Space
Pros Space RAM
Pros Space RAM Reads
Pros Space RAM Reads Live
Cons
Cons Writes
Cons Writes Constraints
Cons Writes Constraints More Forethought
Cons Writes Constraints More Forethought No raw data
http://bit.ly/rt-counters http://bit.ly/rt-counters2
Time Frame Minute, hour, month, day, year, forever?
# of Variations One document vs many
Single Document Per Time Frame
None
{ "t" => 336381, "u" => 158951, "2011" => {
"02" => { "18" => { "t" => 9, "u" => 6 } } } }
{ '$inc' => { 't' => 1, 'u' => 1,
'2011.02.18.t' => 1, '2011.02.18.u' => 1, } }
Single Document For all ranges in time frame
None
{ "_id" =>"...:10", "bx" => { "320" => 85, "480"
=> 318, "800" => 1938, "1024" => 5033, "1280" => 6288, "1440" => 2323, "1600" => 3817, "2000" => 137 }, "by" => { "480" => 2205, "600" => 7359,
"600" => 7359, "768" => 4515, "900" => 3833, "1024"
=> 2026 }, "sx" => { "320" => 191, "480" => 179, "800" => 195, "1024" => 1059, "1280" => 5861, "1440" => 3533, "1600" => 7675, "2000" => 1279 } }
{ '$inc' => { 'sx.1440' => 1, 'bx.1280' => 1,
'by.768' => 1, } }
Many Documents Search terms, content, referrers...
None
[ { "_id" => "<oid>:<hash>", "t" => "ruby class variables",
"sid" => BSON::ObjectId('<oid>'), "v" => 352 }, { "_id" => "<oid>:<hash>", "t" => "ruby unless", "sid" => BSON::ObjectId('<oid>'), "v" => 347 }, ]
Writes {'_id' => "#{sid}:#{hash}"}
Reads [['sid', 1], ['v', -1]]
Growth Don’t say shard, don’t say shard...
Partition Hot Data Currently using collections for time frames
Bigger, Faster Server More CPU, RAM, Disk Space
Users Sites Content Referrers Terms Engines Resolutions Locations Users Sites
Content Referrers Terms Engines Resolutions Locations
Partition by Function Spread writes across a few servers
Users Sites Content Referrers Terms Engines Resolutions Locations
Partition by Server Spread writes across a ton of servers,
way down the road, not worried yet
GitHub Thank you!
[email protected]
John Nunemaker MongoSF 2012 May 4,
2012 @jnunemaker