可使用以下过程确定和补救设备上的内存硬件瓶颈。根据分析数据集的结果,提供了建议的纠正措施,通过安装更多 DRAM 来提高内存性能。
hostname:analytics worksheets> select worksheet-000 hostname:analytics worksheet-000> dataset
hostname:analytics worksheet-000 dataset (uncommitted)> set name=arc.accesses[hit/miss] name = arc.accesses[hit/miss] hostname:analytics worksheet-000 dataset (uncommitted)> commit
hostname:analytics worksheet-000> done hostname:analytics worksheets> done
hostname:> analytics datasets
hostname:analytics datasets> show Datasets: DATASET STATE INCORE ONDISK NAME dataset-000 active 1.27M 15.5M arc.accesses[hit/miss] dataset-001 active 517K 9.21M arc.accesses[hit/miss=metadata hits][L2ARC eligibility] ... hostname:analytics datasets>
在此示例中,数据集名称 arc.accesses[hit/miss] 对应于 dataset-000。
hostname:analytics datasets> select dataset-000
hostname:analytics dataset-000> read 600
当出现下表中的所有情况时,您可能需要安装更多 DRAM。
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