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HConfig: Resource adaptive fast bulk loading in HBase
TLDR
HConfig, a semi-automated configuration manager for optimizing HBase system performance from multiple dimensions is developed and it is shown that the HConfig enhanced bulk loading can significantly improve the performance of HBase bulk loading jobs compared to the HBase default configuration, and achieve 2.7× speedup in throughput under different client threads while maintaining linear horizontal scalability.
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Clustering Service Networks with Entity, Attribute, and Link Heterogeneity
TLDR
This paper proposes Service Cluster, a novel heterogeneous service network clustering algorithm with four unique features that outperforms existing representative methods in terms of both effectiveness and efficiency.
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Evaluation and Analysis of In-Memory Key-Value Systems
TLDR
This paper presents an in-depth measurement study of in-memory key-value systems, including data structures, caching, performance of read/write operations, effects of different in- memory data structures on throughput performance of big data workloads.
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SyncViews: Toward Consistent User Views in Cloud-Based File Synchronization Services
TLDR
This paper proposes a user view based file consistency protocol with a conflicts resolution mechanism for FSS, which automatically keeps user files synchronized among the clients and server.
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Policy-Driven Configuration Management for NoSQL
TLDR
The configuration optimization recommended by PCM can enable NoSQL systems such as HBase to run much more efficiently than the default settings for both individual worker node and entire cluster in the Cloud.
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Persistence and Recovery for In-Memory NoSQL Services: A Measurement Study
TLDR
This study evaluates the performance and effectiveness of several common mechanisms used for persistence and recovery in the presence of server crashes, such as snapshot and logging based approaches, and reports an extensive measurement study on the performance of persistence and Recovery for IM-NoSQL.
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A Configuration Management Study to Fast Massive Writing for Distributed NoSQL System
TLDR
The parameter tuning strategies for HConfig can generate tuned policies and enable HBase to run much more efficiently on both individual worker node and entire cluster, and the massive writing oriented evaluation results show that HBase under write-intensive policies outperforms both the default configuration and some existing configurations while offering significantly higher throughput.
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S-Rsync: An Efficient Differencing Algorithm with Locally Chunk Digests Generating for File Synchronization Services
TLDR
This work proposes an improved differencing algorithm called S-Rsync, which migrates a portion of computation from server to client by taking use of the duplication mechanism and outperforms Rsync constantly abstract environment.
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EaSync: A Transparent File Synchronization Service across Multiple Machines
TLDR
EaSync proposes several key technologies for file synchronization oriented service, including a timestamp based synchronization protocol, an enhanced deduplication algorithm DS-Dedup, and outperforms other synchronization system in operation latency and other metrics.
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A theoretical analysis of lifespan impact on flash memory imposed by erasure code
TLDR
It is argued that, erasure code influences the lifespan of flash memory in two conflicting directions: its inherent error correction capability enables the flash memory to survive beyond the nominal lifespan, while its redundant data wear out the lifespanof flash memory by increasing the write/erase cycles.
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