Efficient Online Index Maintenance for SSD-based Information Retrieval Systems

  title={Efficient Online Index Maintenance for SSD-based Information Retrieval Systems},
  author={Ruixuan Li and Xuefan Chen and Chengzhou Li and Xiwu Gu and Kunmei Wen},
  journal={2012 IEEE 14th International Conference on High Performance Computing and Communication & 2012 IEEE 9th International Conference on Embedded Software and Systems},
Solid state disks (SSDs) can potentially eliminate the I/O bottleneck for many conventional applications. However, they have a very unique characteristic of erase-before-write, which probably makes existing index maintenance methods inapplicable to SSDs. In this paper, we propose Hybrid Merge, a new online index maintenance strategy for information retrieval systems, which applies SSDs instead of hard disk drives (HDDs) to store inverted indexes. We analyze the existing indexing methods through… CONTINUE READING


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