分布式存储系统中的数据高效缓存方法
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杨青霖, 吴桂勇, 张广艳
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An approach to buffering data efficiently in distributed storage systems
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Qinglin YANG, Guiyong WU, Guangyan ZHANG
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表1 播放真实trace负载下的I/O性能
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trace名称 | 测量指标 | Cache Tiering | HOSD | 加速比 | prxy_1 | 读IOPS | 2 248 | 2 542 | 1.13 | | 写IOPS | 1 185 | 1 341 | 1.13 | wdev_0 | 读IOPS | 343 | 373 | 1.09 | | 写IOPS | 1 326 | 1 469 | 1.11 | prxy_0 | 写IOPS | 1 568 | 1 668 | 1.06 | webmail | 读IOPS | 525 | 570 | 1.09 | | 写IOPS | 1 143 | 1 159 | 1.01 | hm_0 | 读IOPS | 425 | 438 | 1.03 | | 写IOPS | 1 079 | 1 122 | 1.04 | 几何平均值 | | | | |
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