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Classroom Contents
Migrating Pinterest Apache Spark Clusters from HDFS to S3
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- 1 Intro
- 2 Agenda
- 3 Big Data Platform
- 4 Old vs New cluster
- 5 Old Cluster: Performance Bottleneck
- 6 A Simple Aggregation Query
- 7 9k Mappers * 9k Reducers
- 8 New Cluster: Choose the right EC2 instance
- 9 Key Takeaways
- 10 Read after write consistency
- 11 How often does this happen
- 12 Solution. Considerations
- 13 Our Approach
- 14 Performance Comparison: S3 vs HDFS
- 15 Dealing with Metadata Operation
- 16 Reduce Move Operations
- 17 Multipart Upload API
- 18 The Last Move Operation
- 19 Fix Bucket Rate Limit Issue (503)
- 20 Improving S3Committer
- 21 S3 Benefit Compare to HDFS
- 22 Things We Miss in Mesos
- 23 Cost Saving
- 24 Spark at Pinterest
