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Persistent Storage
Lucas Parzianello edited this page Oct 11, 2019
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| Name | Accessed by | Properties | Options |
|---|---|---|---|
URL Map |
Domain Balancer |
Small size / key-value / fast rw / multi-level index is desirable / low consistency needs | In-memory storage: selected Redis |
Inverted Index |
Indexer and Search Server
|
Intermediary size / key-value / fast updates / concurrent rw / low consistency needs | MongoDB or AWS DynamoDB |
Object Storage |
Crawler and Cndexer
|
Large size / document / concurrent rw / fast writes / low consistency needs | AWS S3 or GlusterFS |