Ramnatthan Alagappan
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| title | conference | date |
|---|---|---|
| MEGALON: Efficient Data Sharing for Partly Coherent CXL Memory | 20th USENIX Symposium on Operating Systems Design and Implementation (OSDI '26) | 2026-07-13 |
MEGALON implements a split metadata sharing design: large, rarely updated indexes are replicated in local DRAM while small, hot coherence records live in the… | ||
| Low End-to-End Latency atop a Speculative Shared Log with Fix-Ante Ordering | OSDI '25 | 2025-07-07 |
Proposes SpecLog, a speculative shared log that predetermines global cuts via fix-ante ordering, implements it as Belfast, and overlaps application compute… | ||
| IONIA: High-Performance Replication for Modern Disk-based KV Stores | 22nd USENIX Conference on File and Storage Technologies (FAST '24) | 2024-02-27 |
IONIA is a storage-aware replication protocol for SSD-based write-optimized KV stores that delivers one round-trip writes by making updates durable immediately… | ||
| The Storage Hierarchy is Not a Hierarchy: Optimizing Caching on Modern Storage Devices... | FAST '21 | 2021-02-23 |
Proposes non‑hierarchical caching (NHC) implemented as Orthus‑CAS (block‑layer kernel module) and Orthus‑KV (user‑level for a key‑value store) that add a… | ||
| Can Applications Recover from fsync Failures? | USENIX ATC '20 | 2020-07-15 |
The study injects deterministic block failures on an unmodified kernel using dm-loki fault injector and a user-space tester cuttlefs user-space page cache and… | ||
| Too Many Knobs to Tune? Towards Faster Database Tuning by Pre-selecting Important | 12th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage '20) | 2020-07-13 |
Experimental study shows that tuning five knobs out of 155 on Cassandra with YCSB-A reaches about 99% of the best throughput, identified by a random forest… | ||
| Strong and Efficient Consistency with Consistency-Aware Durability | FAST '20 | 2020-02-24 |
Introduces consistency-aware durability (CAD) and implements it by changing ZooKeeper into ORCA modifies ZooKeeper to enforce durability on reads rather than… | ||
| Protocol-Aware Recovery for Consensus-Based Storage | USENIX ATC '19 | 2019-07-10 |
Paper introduces protocol-aware recovery and implements CTRL to exploit RSM protocol rules to recover from disk corruption. Implementation in LogCabin and… | ||
| nothing matches | ||