NoSQL with Cassandra

NoSQL with Cassandra [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object]

Cassandra? ,[object Object],[object Object],[object Object],[object Object]

How it works? ,[object Object],[object Object],[object Object]

Partitioner ,[object Object],[object Object]

When write ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

When read ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CAP theorem ,[object Object],[object Object],[object Object],from wikipedia

Consistency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Model ,[object Object],[object Object],[object Object],[object Object],[object Object]

Column ,[object Object],[object Object],[object Object],[object Object],[object Object]

ColumnFamily ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Traditional RDBMS name phone address 1 王小明 40666888 台北市 2 王中明 28825252 台中市 3 王大明 4129889 台南市

Flexible Schema name phone address 1 王小明 40666888 台北市 name phone address msn 2 王中明 28825252 台中市 [email_address] name mail address 3 王大明 [email_address] 台南市

Super Column ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sorting - Comparator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Client API ,[object Object],[object Object],[object Object],[object Object],struct SliceRange { 1: required binary start, 2: required binary finish, 3: required bool reversed=0, 4: required i32 count=100, } struct SlicePredicate { 1: optional list<binary> column_names, 2: optional SliceRange slice_range, }

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ignore consistency_level * deprecated ! slow, deserialized all columns

Roadmap ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],0.7

NoSQL with Cassandra

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NoSQL with Cassandra