Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"write amplification"”.
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Study On Endurance Of Flash Memory Ssds
… updates, the asymmetry between the sizes of the write and erase operations, and the limited endurance of flash memory cells. This leads to the need for efficient methods for block cleaning, combating write amplification and performing wear leveling. These are fundamental attributes of flash …
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PebblesDB : building key-value stores using fragmented log-structured merge trees
… such as LevelDB and RocksDB offer excellent write throughput, but suffer high write amplification. The write amplification problem is due to the Log-Structured Merge Trees data structure that underlies these key-value stores. To remedy this problem, this thesis presents a novel data structure …
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OpenKV: LSM-tree-based key-value store for open-channel SSD
… great adoption in industry due to their high write speed. However, one major issue with LSM-based databases is the high write amplification. The root cause of this problem is the LSM tree structure that demands each level to be completely sorted. In this work, we propose OpenKV, a novel …
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Disaggregated Zoned Namespace for Multi-tenancy Scenarios
… limitations on performance and endurance due to write amplification and garbage collection overheads. In response to these challenges, the NVMe Zoned Namespaces (ZNS) devices introduces a novel storage interface organized into zones, optimizing garbage collection and reducing write amplification. …
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Reducing memory persistency overheads with transparent out-of-place updates
… critical path of execution or introduce extra write traffic to NVM, or even both. For instance, logging approaches introduce double writes for data and logs in the critical path of program execution, while shadow paging incurs significant write amplification and cache flushes to ensure …
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Accelerated Storage Systems
… expensive sorting and excessive read and write amplification, which is detrimental to the life of the flash. Another trend in recent years equips large scale deployments with energy-efficient, high performance co-processors, such as Graphics Processing Units (GPUs). Recent work has …
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Latency Tradeoffs in Distributed Storage Access
… the HDD-based KV structures result in high read, write, and space amplifications which becomes detrimental to both the SSD’s performance and endurance. Also note that regardless of how the storage systems are deployed, access to large amounts of storage by many nodes must necessarily go over the …