Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Toronto MongoDB User Group

Arthur Nogueira Neves
February 20, 2013
Technology
92
1

Toronto MongoDB User Group

Presetation given on Toronto MongoDB User group

Arthur Nogueira Neves

February 20, 2013

Transcript

70 slides

  1. MongoDB Toronto User group 1 Saturday, 23 February, 13

  2. Hi. 2 Saturday, 23 February, 13

  3. Hi. @arthurnn 2 Saturday, 23 February, 13

  4. Hi. @arthurnn 2 Saturday, 23 February, 13

  5. Hi. @arthurnn 2 Saturday, 23 February, 13

  6. 3 Saturday, 23 February, 13

  7. Tech 4 Saturday, 23 February, 13

  8. Tech 4 Saturday, 23 February, 13

  9. Tech 4 Saturday, 23 February, 13

  10. Tech 4 Saturday, 23 February, 13

  11. Tech 4 Saturday, 23 February, 13

  12. RPC Tech 4 Saturday, 23 February, 13

  13. Databases 5 Saturday, 23 February, 13

  14. Databases 5 Saturday, 23 February, 13

  15. Databases 5 Saturday, 23 February, 13

  16. Databases Memcached 5 Saturday, 23 February, 13

  17. Databases Memcached Sphinx -> ElasticSearch 5 Saturday, 23 February, 13

  18. + 6 Saturday, 23 February, 13

  19. + Activity Feed 6 Saturday, 23 February, 13

  20. + Activity Feed User Settings 6 Saturday, 23 February, 13

  21. + Activity Feed User Settings Push Notification 6 Saturday, 23

    February, 13

  22. + Activity Feed User Settings Push Notification Device track 6

    Saturday, 23 February, 13

  23. + Activity Feed User Settings Push Notification Device track Stats

    6 Saturday, 23 February, 13

  24. Servers 1.0 7 Saturday, 23 February, 13

  25. Servers 1.0 mongod primary 7 Saturday, 23 February, 13

  26. Servers 1.0 mongod primary mongod secondary 7 Saturday, 23 February,

    13

  27. Servers 1.0 mongod primary mongod secondary mongod secondary 7 Saturday,

    23 February, 13

  28. Servers 1.0 mongod primary mongod secondary mongod secondary mongod hidden

    7 Saturday, 23 February, 13

  29. Servers 2.0 mongod mongod mongod mongod mongod mongod Primary mongod

    mongoc mongod mongoc mongod mongoc Main 8 Saturday, 23 February, 13

  30. Servers 2.0 mongod mongod mongod mongod mongod mongod Primary mongod

    mongoc mongod mongoc mongod mongoc mongod Main 8 Saturday, 23 February, 13

  31. Servers 2.0 mongod mongod mongod mongod mongod mongod Primary mongod

    mongoc mongod mongoc mongod mongoc mongod mongod Main 8 Saturday, 23 February, 13

  32. Servers 2.0 mongod mongod mongod mongod mongod mongod Primary mongod

    mongoc mongod mongoc mongod mongoc mongod mongod mongod Main 8 Saturday, 23 February, 13

  33. Servers 2.0 mongod mongod mongod mongod mongod mongod Primary mongod

    mongoc mongod mongoc mongod mongoc mongod mongod mongod Main 8 Saturday, 23 February, 13

  34. User Settings { "_id" : 123, "stats_page_empty" : true, "statistics_page_order"

    : [ 1, 4, 2, 3 ] } 9 Saturday, 23 February, 13

  35. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications 10 Saturday, 23 February, 13

  36. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications index: {"user_id": 1} 10 Saturday, 23 February, 13

  37. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications index: {"token": 1}, {sparse: true} index: {"user_id": 1} 10 Saturday, 23 February, 13

  38. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications index: {"token": 1}, {sparse: true} index: {"registration_id": 1}, {sparse: true} index: {"user_id": 1} 10 Saturday, 23 February, 13

  39. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications index: {"token": 1}, {sparse: true} index: {"registration_id": 1}, {sparse: true} index: {"user_id": 1} index: {"user_id": 1} 10 Saturday, 23 February, 13

  40. Push notifications { "_id" : ObjectId("4fe60f72a3a6a5654b000001"), "status" : 24, "user_id"

    : 1, "photo_id" : 8026403, "actors" : [ 71 ], "action_id" : 0, "updated_at" : ISODate("2012-06-23T18:48:18Z"), "created_at" : ISODate("2012-06-23T18:48:18Z") } { "_id" : ObjectId("4ffc9eb55328f538ad00002d"), "permissions" : [ 0, 1, 5, 10 ], "type" : 1, "user_id" : 357534, "token" : "xxxx xxxx xxxx" } db.mobile_devices db.mobile_notifications index: {"token": 1}, {sparse: true} index: {"registration_id": 1}, {sparse: true} index: {"user_id": 1} index: {"user_id": 1, "updated_at": -1} index: {"user_id": 1} 10 Saturday, 23 February, 13

  41. Activity Feed - Flow 200M+ { "_id" : ObjectId(""), "aid"

    : 1127689, # Actor id "otype" : 9, # Object type for cast "v" : 7, # Verb of the action "oid" : 25000475, # Object id "uid" : 1127689 # User id } 11 Saturday, 23 February, 13

  42. db.ensureIndex ??? { aid: 1 } { aid: 1, _id:

    1 } { _id: 1, aid: 1 } { aid: 1, v: 1, _id: 1 } 12 Saturday, 23 February, 13

  43. Data access 13 Saturday, 23 February, 13

  44. Data access db.activities.find( aid: 22, v: {'$in': [2,3,4]}) .sort(_id: -1).limit(10)

    13 Saturday, 23 February, 13

  45. { aid: 1 } 14 Saturday, 23 February, 13

  46. { aid: 1, v:1 } { aid: 1, v:1, _id:

    -1 } 15 Saturday, 23 February, 13

  47. { aid: 1, _id: -1 } { aid: 1, _id:

    -1, v: 1 } 16 Saturday, 23 February, 13

  48. 17 Saturday, 23 February, 13

  49. db.activities.find( aid: {'$in': [1,10]}, v: {'$in': [2,3,4]}) .sort(_id: -1).limit(10) 17

    Saturday, 23 February, 13

  50. Shard key ??? 18 Saturday, 23 February, 13

  51. Shard key ??? { aid: 1, v: 1, _id: 1

    } 18 Saturday, 23 February, 13

  52. Mistakes on shard 19 Saturday, 23 February, 13

  53. Mistakes on shard Automatic shard 19 Saturday, 23 February, 13

  54. Mistakes on shard Automatic shard SSDs on Primaries 19 Saturday,

    23 February, 13

  55. After sharding? 20 Saturday, 23 February, 13

  56. After sharding? Good performance on writes 20 Saturday, 23 February,

    13

  57. After sharding? Good performance on User Flow reads Good performance

    on writes 20 Saturday, 23 February, 13

  58. After sharding? Good performance on User Flow reads Bad performance

    on Friends Flow reads Good performance on writes 20 Saturday, 23 February, 13

  59. Solutions: 21 Saturday, 23 February, 13

  60. Solutions: #1: denormalize 21 Saturday, 23 February, 13

  61. { "_id" : ObjectId(""), "user" : 123, # viewer "page"

    : 1, "feed" : [{activity}, {activity}] } Flow Feed by user 22 Saturday, 23 February, 13

  62. { "_id" : ObjectId(""), "user" : 123, # viewer "page"

    : 1, "feed" : [{activity}, {activity}] } Flow Feed by user Fan out on write 22 Saturday, 23 February, 13

  63. Solutions: #1: denormalize 23 Saturday, 23 February, 13

  64. Solutions: #1: denormalize #2: cache 23 Saturday, 23 February, 13

  65. key: user_id 24 Saturday, 23 February, 13

  66. key: user_id prepend activity 24 Saturday, 23 February, 13

  67. key: user_id prepend activity activity append 24 Saturday, 23 February,

    13

  68. key: user_id prepend activity activity append activity append 24 Saturday,

    23 February, 13

  69. Future Denormaziled solution. 25 Saturday, 23 February, 13

  70. Thank you 26 Saturday, 23 February, 13

More Decks by Arthur Nogueira Neves

See All by Arthur Nogueira Neves
Using multiple connections in ActiveRecord
arthurnn
3
1k
Rails talk - RubyLightningTalksTO
arthurnn
0
120
Abril Pro Ruby
arthurnn
0
390

Other Decks in Technology

See All in Technology
人間＋AIを「チーム」としてプロセスを再設計する
littlehands
3
2.6k
内製アプリとClaudeスキルのセキュリティチェック、 Backlogの課題で回しています。
ayaka_egaaa
0
190
AWS基盤改善を支える 私たちの理念と行動指針
kentosuzuki
0
220
思考過程から秘密が漏れる:Amazon Bedrock上のKimi K3を5つの方法で攻めたら、25回中22回漏洩した話
yama3133
1
160
The Author Pays
hiccupps
0
220
AI時代における医療情報システムのセキュリティ / Security of Healthcare IT Systems in the AI Era
henryofficial
0
170
仕様と現実の間で落とし所を探るリモートMCPの認証・認可 — Sansanの認証基盤における課題と実践
sansantech
PRO
2
300
LLM 基盤と kagent v0 を全部 k8s に入れてみた / Deploy both LLM and kagent v0 in k8s
kota2and3kan
0
220
ぼくのClaude Codeの使い方
falken
PRO
5
7k
プロダクションコードにおける encoding/json から encoding/json/v2 へのスムーズな移行
sansantech
PRO
1
420
Claude Securityを使ってみた / claude-security-claude-code-meetup-nagoya
tnir
0
110
複数システムが同居した 15 年物の AWS アカウントを解体するための考古学
wa6sn
3
150

Featured

See All Featured
Statistics for Hackers
jakevdp
799
230k
How to make the Groovebox
asonas
2
2.6k
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
palkan
4
1.2k
Crafting Experiences
bethany
1
440
B2B Lead Gen: Tactics, Traps & Triumph
marketingsoph
1
300
Test your architecture with Archunit
thirion
2
2.5k
GraphQLとの向き合い方2022年版
quramy
50
15k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
33
5.7k
Leading Effective Engineering Teams in the AI Era
addyosmani
9
2.9k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.9k
Claude Code どこまでも/ Claude Code Everywhere
nwiizo
68
60k
ラッコキーワード サービス紹介資料
rakko
5
5.8M