Using Neo4j · About Me learn me a bitcoin. About Me learn me a bitcoin. About Me learn me a...

Using Neo4jfor the

Blockchain

About Me

About Me

...

About Me

About Melearn me a bitcoin

Why I m using Neo4j’

Why I m using Neo4j’

?

Why a graph database?

Why a graph database?Bitcoin Transactions:


2


2

AddressGreg


2


2 2


2 2

AddressMum


2 2


2 1.5

0.5


1 0.8


1

Schema

Schema (Transaction)

1 0.8

Schema (Transaction)

1

Schema (Advantages of a Graph Database)

Schema (Blockchain)

Schema (Blockchain)

1

My Experience

My ExperienceSize

100 GB

My ExperienceSize

100 GB 500 GB

My ExperienceSize

100 GB 500 GB

1,325,071,942 nodes

2,020,670,961 relationships

My ExperienceSpeed

My ExperienceSpeed

“Hot” = 0.2 secs

“Cold” = 8.5 secs

My ExperienceSpeed



RAM

My ExperienceSpeed



RAM

SSD

My ExperienceCypher

My ExperienceTip

a

1

2

100

.

.

.

My ExperienceTip

a

1

2

100

.

.

.

MERGE (a {id:’a’})MERGE (n1 {id:1})MERGE (n1)-[:r]→(a)MERGE (n2 {id:2})MERGE (n2)-[:r]→(a)...MERGE (n100 {id:100})MERGE (n100)-[:r]->(a)

My ExperienceTip

a

1

2

100

.

.

.

MERGE (a {id:’a’})

$list = {id:1}, {id:2} ... {id:100}

My ExperienceTip

a

1

2

100

.

.

.

MERGE (a {id:’a’})FOREACH (x in [$list] | MERGE (n:test {id: x.id}) MERGE (n)-[:test]->(a))

$list = {id:1}, {id:2} ... {id:100}

Thanks

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Using Neo4j · About Me learn me a bitcoin. About Me learn me a bitcoin. About Me learn me a...

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