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
Riak Search: The Next Generation
Search
Tom Santero
September 17, 2013
Programming
0
150
Riak Search: The Next Generation
Presentation on Yokozuna (
https://github.com/basho/yokozuna
) at the NYC Riak Meetup group
Tom Santero
September 17, 2013
Tweet
Share
More Decks by Tom Santero
See All by Tom Santero
DeepStack: Expert-Level Artificial Intelligence in Heads-Up No-Limit Poker
tsantero
1
340
Buridan's Principle
tsantero
1
370
Release Engineering from the Ground Up
tsantero
1
310
Beyond Fast and Slow
tsantero
0
240
Choose Your Own Consistency
tsantero
2
200
Erlang Fight Club
tsantero
5
450
Riak on Ruby: Keys, Values and CRDTs
tsantero
0
280
Consensus, Raft and Rafter
tsantero
22
3.6k
Riak: Distributed Storage for Games You Don't Have to Worry About
tsantero
6
1.8k
Other Decks in Programming
See All in Programming
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
2
790
なぜあなたのオブザーバビリティ導入は頓挫するのか
ryota_hnk
2
390
ソフトウェア設計とAI技術の活用
masuda220
PRO
25
6.7k
抽象化という思考のツール - 理解と活用 - / Abstraction-as-a-Tool-for-Thinking
shin1x1
1
740
バイブスあるコーディングで ~PHP~ 便利ツールをつくるプラクティス
uzulla
1
270
Gemini CLI のはじめ方
ttnyt8701
1
100
リバースエンジニアリング新時代へ! GhidraとClaude DesktopをMCPで繋ぐ/findy202507
tkmru
4
1.2k
Quality Gates in the Age of Agentic Coding
helmedeiros
PRO
1
100
MCPを使ってイベントソーシングのAIコーディングを効率化する / Streamlining Event Sourcing AI Coding with MCP
tomohisa
0
180
バイブコーディング超えてバイブデプロイ〜CloudflareMCPで実現する、未来のアプリケーションデリバリー〜
azukiazusa1
2
710
AIのメモリー
watany
11
970
GPUを計算資源として使おう!
primenumber
1
290
Featured
See All Featured
GraphQLとの向き合い方2022年版
quramy
49
14k
The Pragmatic Product Professional
lauravandoore
35
6.8k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.9k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.8k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Designing for humans not robots
tammielis
253
25k
BBQ
matthewcrist
89
9.7k
Site-Speed That Sticks
csswizardry
10
720
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
Rebuilding a faster, lazier Slack
samanthasiow
83
9.1k
Music & Morning Musume
bryan
46
6.7k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
Transcript
Riak Search the next generation Tuesday, September 17, 13
tsantero @ basho.com Tuesday, September 17, 13
Tuesday, September 17, 13
Tuesday, September 17, 13
2.0 coming soon.. Tuesday, September 17, 13
the history of Riak Search Tuesday, September 17, 13
home grown full-text search Tuesday, September 17, 13
lucene Tuesday, September 17, 13
SCALE Tuesday, September 17, 13
NODE # = HASH(KEY) % NUM_NODES NH(Ka) = 0 NH(Kb)
= 1 NH(Kc) = 2 NH(Kd) = 0 ... Naive Hashing Tuesday, September 17, 13
NODE 0 NODE 1 NODE 2 Ka Kb Kc Kd
Ke Kf Kg Kh Ki Kj Kk Km Kl Kp Kn Ko Kq Kr Naive Hashing Tuesday, September 17, 13
NODE 0 NODE 1 NODE 2 Ka Kb Kc Kd
Kg Ki NODE 3 Ke Kf Kh Kj Kk Kl Km Kn Ko Kp Kq Kr Naive Hashing Tuesday, September 17, 13
K * (NN - 1) / NN => K •
K = # OF KEYS • NN = # OF NODES • AS NN GROWS FACTOR ESSENTIALLY BECOMES 1, THUS ALL KEYS MOVE Naive Hashing Tuesday, September 17, 13
PARTITION # = HASH(KEY) % PARTITIONS • # PARTITIONS REMAINS
CONSTANT • KEY ALWAYS MAPS TO SAME PARTITION • NODES OWN PARTITIONS • PARTITIONS CONTAIN KEYS • EXTRA LEVEL OF INDIRECTION Consistent Hashing Tuesday, September 17, 13
P9 P6 P3 P8 P5 P2 P7 P4 P1 NODE
0 NODE 1 NODE 2 Ka Kb Kc Kd Ke Kf Kg Kh Ki Kj Kk Km Kl Kp Kn Ko Kq Kr Consistent Hashing Tuesday, September 17, 13
P9 P6 P3 P8 P5 P2 P7 P4 P1 NODE
0 NODE 1 NODE 2 Ka Kb Kc Kd Ke Kf Kg Kh Ki Kj Kk Km Kl Kp Kn Ko Kq Kr NODE 3 Consistent Hashing Tuesday, September 17, 13
NN * K/Q => K/Q • K = # OF
KEYS • NN = # OF NODES • Q = # OF PARTITIONS • AS K GROWS NN BECOMES CONSTANT, THUS K/Q KEYS MOVE Consistent Hashing Tuesday, September 17, 13
uniform distribution Consistent Hashing {logical vs physical partitioning scheme even
division of keys Tuesday, September 17, 13
the future of Riak Search Tuesday, September 17, 13
Tuesday, September 17, 13
persistence distributing Solr querying indexing Tuesday, September 17, 13
Each Riak node runs an instance of Solr Tuesday, September
17, 13
Solr index = riak bucket document = RObj value plaintext,
JSON, XML Tuesday, September 17, 13
Distributed Searching in Solr query faceting highlighting stats spell check
term vectors Tuesday, September 17, 13
SolrCloud Tuesday, September 17, 13
SolrCloud Tuesday, September 17, 13
Harvest vs Yield Tuesday, September 17, 13
A better measure of Availability Tuesday, September 17, 13
Queries Issues Queries Offered Yield = Tuesday, September 17, 13
Harvest = Data Available Total Dataset Tuesday, September 17, 13
Harvest Yield Tuesday, September 17, 13
Manage Harvest by storing Index Replicas Tuesday, September 17, 13
Term vs Document Partitioning Schemes Tuesday, September 17, 13
Node 0 Node 1 Node 2 Term Based Partitioning Tuesday,
September 17, 13
Node 0 Node 1 Node 2 Document Based Partitioning Tuesday,
September 17, 13
Replicas Node 0 Node 1 Node 2 Tuesday, September 17,
13
Quorums Tuesday, September 17, 13
Concurrency => Siblings Tuesday, September 17, 13
Read Repair (Anti-Entropy) Tuesday, September 17, 13
replica replica replica Tuesday, September 17, 13
replica replica replica X Tuesday, September 17, 13
replica replica replica replica replica replica Tuesday, September 17, 13
Active Anti-Entropy (self healing clusters) Tuesday, September 17, 13
real-time updates persistent non-blocking disk-based Tuesday, September 17, 13
Tuesday, September 17, 13
= hashes marked “dirty” Tuesday, September 17, 13
Tuesday, September 17, 13
Tuesday, September 17, 13
Tuesday, September 17, 13
Tuesday, September 17, 13
= keys to read-repair Tuesday, September 17, 13
Questions? make it so! Tuesday, September 17, 13