Hedis stands for "Hyper Redis". It can retrieve data from **ANY** database directly and stores to itself.

1. Hedis - GET HBase via Redis
Kewang

2. 2
Live DEMO
https://www.youtube.com/watch?v=aAgJaqvgqLU

3. Who I am
●
王慕羣
● Java / Node.js / AngularJS
● SQL-like / HBase
GitHub: kewang
Facebook: kewangtw
Linkedin: kewangtw
Slideshare: kewang
Mail: cpckewang@gmail.com

4. What Mitake is
三竹資訊

5. What Mitake is
三竹資訊
●
企業簡訊平台

6. What Mitake is
三竹資訊
●
企業簡訊平台
● 市佔 100% 的行動下單

7. What Mitake is
三竹資訊
●
企業簡訊平台
● 市佔 100% 的行動下單
● 市佔 70% 的行動銀行

8. What Mitake is
三竹資訊
●
企業簡訊平台
● 市佔 100% 的行動下單
● 市佔 70% 的行動銀行
●
企業內部應用、產壽險、金融相關政府機關

9. What Mitake is
三竹資訊
●
企業簡訊平台
● 市佔 100% 的行動下單
● 市佔 70% 的行動銀行
●
企業內部應用、產壽險、金融相關政府機關
● 雲端： Qmi 、 TechMe

10. What Mitake is
三竹資訊
●
企業簡訊平台
● 市佔 100% 的行動下單
● 市佔 70% 的行動銀行
●
企業內部應用、產壽險、金融相關政府機關
● 雲端： Qmi 、 TechMe
● 其他：兌彩券、台灣匯率、三竹小股王、行動股市 ... 等

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Agenda
● Redis brief
● Scenario
● Hedis (aka Hyper Redis)
● Benchmark
● TODO list

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Redis brief

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Redis brief

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Redis brief
● Key-value pair

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Redis brief
● Key-value pair
● Value data type: String, List, Sets, Ordered sets,
Hashes

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Redis brief
● Key-value pair
● Value data type: String, List, Sets, Ordered sets,
Hashes
● Binary-safe

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Redis brief
● Key-value pair
● Value data type: String, List, Sets, Ordered sets,
Hashes
● Binary-safe
● Single thread

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Redis brief
● Key-value pair
● Value data type: String, List, Sets, Ordered sets,
Hashes
● Binary-safe
● Single thread
● In-memory database

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Scenario
Get hot data, etc.

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Redis

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Redis
Application server
Redis Database
Client

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Redis - Send request to AP
Application server
Redis Database
Client
(1)

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Redis - AP gets data from Redis
Application server
Redis Database
(2)
Client
(1)

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Redis - Redis has no data
Application server
Redis Database
(2)
Client
(1)
(3)

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Redis - Back to get data from DB
Application server
Redis Database
(4)
(2)
Client
(1)
(3)

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Redis - AP got data
Application server
Redis Database
(4)
(5)
(2)
Client
(1)
(3)

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Redis - Store data to Redis
Application server
Redis Database
(6)
(4)
(5)
(2)
Client
(1)
(3)

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Redis - Return data to client
Application server
Redis Database
(6)
(4)
(5)
(2)
Client (7)
(1)
(3)

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Hedis

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Hedis
Application server
Hedis Database
Client

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Hedis - Send request to AP
Application server
Hedis Database
Client
(1)

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Hedis - AP gets data from Hedis
Application server
Hedis Database
Client
(2)
(1)

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Hedis - Turns to get from DB
Application server
Hedis Database
Client
(2)
(3)
(1)

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Hedis - Store data to Hedis
Application server
Hedis Database
Client
(2)
(3)
(4)
(1)

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Hedis - Return data to AP
Application server
Hedis Database
Client
(2)
(3)
(4)
(5)
(1)

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Hedis - Return data to client
Application server
Hedis Database
Client
(2)
(3)
(4)
(5)
(1)
(6)

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Hedis
Hyper Redis

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Architecture

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Architecture
Hedis

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Architecture
Redis
Hedis

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Architecture
Redis Connector
Hedis

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Architecture
Redis Connector
MySQLHedis

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Architecture
Redis Connector
MySQL
HBase
Hedis

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Architecture
Redis Connector
MySQL
HBase
others
Hedis

45. 45
Architecture
Redis Connector
MySQL
HBase
others
Hedis

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Architecture
Redis Connector
MySQL
HBase
others
Hedis

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Architecture
Redis Connector
MySQL
HBase
others
Hedis

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Architecture
Redis Connector
MySQL
HBase
others
Hedis

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Architecture
● Core
● Connector
● Database

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Architecture
● Core - Redis
● Connector
● Database

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Architecture
● Core - Redis
● Connector - connect Redis and database together
● Database

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Architecture
● Core - Redis
● Connector - connect Redis and database together
● Database - any database (includes RDBMS &
NoSQL)

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Configuration

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Configuration

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How to start Hedis up ?

56. 56
How to start Hedis up ?

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Commands - only GET currently

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Commands - only GET currently
● GET "cdh1://user@kewang"

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Commands - only GET currently
● GET "cdh1://user@kewang"
– No exists: turns to get "kewang" rowkey at "user" table
on "cdh1" connector

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Commands - only GET currently
● GET "cdh1://user@kewang"
– No exists: turns to get "kewang" rowkey at "user" table
on "cdh1" connector
– Exists: gets directly

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Commands - another GET

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Commands - another GET
● GET "cdh1://!user@kewang"

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Commands - another GET
● GET "cdh1://!user@kewang"

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Commands - another GET
● GET "cdh1://!user@kewang"
– Always gets "kewang" rowkey at "user" table on "cdh1"
connector directly

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Commands - another GET
● GET "cdh1://!user@kewang"
– Always gets "kewang" rowkey at "user" table on "cdh1"
connector directly
– Use ruby's bang sign ( ! ) concept, it will modify original
value

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Benchmark

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Latency - Lower is better

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Latency - Lower is better

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Request - Higher is better

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Request - Higher is better

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TODO list

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TODO list

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TODO list
● Fix memory leak

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TODO list
● Fix memory leak
● Support multiple Redis version

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TODO list
● Fix memory leak
● Support multiple Redis version
● Support more commands

76. 76
TODO list
● Fix memory leak
● Support multiple Redis version
● Support more commands
● Support more databases

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TODO list
● Fix memory leak
● Support multiple Redis version
● Support more commands
● Support more databases
● Support git

78. 78
TODO list
● Fix memory leak
● Support multiple Redis version
● Support more commands
● Support more databases
● Support git
● Add dockerfile

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TODO list
● Fix memory leak
● Support multiple Redis version
● Support more commands
● Support more databases
● Support git
● Add dockerfile
● Redesign official website

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Live DEMO

81. 81
References
● http://hedis.io
● http://redis.io

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WE'RE HIRING !!!
Backend, System,Web, ... etc.

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