Last.fm under the BFS "attack"

Last.fm under BFS “attack”Iuliia ProskurniaŽygimantas Bruzgys

The Task• Collect a BFS sample starting from user 'rj' in LastFM.• What node degrees have you sampled?• Implement it on multiple threads to run

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Aver

age

node

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ree

# of discovered users (nodes)

ResultsLooks nice

The End... to be continued?

BlockingQueue

BloomFilter

GDF Writer

Worker

Worker

Worker

Worker

Worker

Worker

Worker

Worker

Put User Friends to the

Blocking Queue

Get next User to process

Guava

.gdf

RJ

We throw RJ to a Queue

ArchitectureMain components

Java

.gdfNice ;)

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Last.fm under the BFS "attack"

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