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MatrixKV - Reducing Write Stalls and Write Amplification in LSM-tree Based KV Stores
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- 1 Intro
- 2 Outline
- 3 Challenge 1: Write stall
- 4 Root cause of write stall: LO-L1 compaction
- 5 Root cause of increased write amplification
- 6 Motivation
- 7 Overall Architecture
- 8 Matrix Container
- 9 Row Table
- 10 Fine grained column compaction
- 11 Reducing LSM-tree depth
- 12 Cross-Row hint search
- 13 Evaluation Setup
- 14 Random Write Throughput
- 15 Write stalls
- 16 Tail Latency
- 17 Fine granularity column compaction
