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Chen, Junjie dd8a3a658b DMS UMN Initial Version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Chen, Junjie <chenjunjie@huawei.com>
Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
2022-12-08 00:33:11 +00:00

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How Do I Choose Between High I/O and Ultra-high I/O?

  • High I/O: The average latency is 6 to 10 ms, and the maximum bandwidth is 120 MB/s (read + write).
  • Ultra-high I/O: The average latency is 1 to 3 ms, and the maximum bandwidth is 320 MB/s (read + write).

You are advised to select ultra-high I/O, because ultra-high I/O disks deliver much higher bandwidth than high I/O.

Different bandwidth configurations support different disk types. For details, see Table 1.

Parent topic: Instances