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Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. Based on the CLI provided by the DeviceManager, this document describes how to use variouscommands classified by functions and how to set the CLI and manage the storage system throughthese commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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show performance cache_partition

show performance cache_partition

Function

The show performance cache_partition command is used to query performance statistics on a cache partition.

Format

show performance cache_partition cache_partition_id=?

show performance cache_partition cache_partition_id_list=?

Parameters

Parameter

Description

Value

cache_partition_id=?

ID of a cache partition on which you want to query performance statistics.

To obtain the value, run "show cache_partition general".

cache_partition_id_list=?

List of cache partition IDs on which you want to query performance statistics.

  • To obtain the value, run "show cache_partition general". When multiple cache_partitions need to be added, separate these cache_partition IDs with commas (,), or ID range separated by hyphens (-), such as: 0,5-8.
  • A maximum of 50 IDs can be queried.

Level

Guest

Usage Guidelines

  • You will be prompted with optional performance statistics categories upon running this command. In this condition, typing a number or multiple numbers (separated by commas) for the selected categories and pressing "Enter" displays the performance statistics for those categories.
  • Performance statistics will be updated in real time.
  • Typing "q" on the command line interface (CLI) exits the active performance statistics display.

Example

Query the performance statistics on the I/Os for cache partition "0".

admin:/>show performance cache_partition cache_partition_id=0 
0.Bandwidth(MB/s) / Block Bandwidth(MB/s)     
1.Throughput(IOPS)(IO/s)                      
2.Read Bandwidth(MB/s)                        
3.Read Throughput(IOPS)(IO/s)                 
4.Write Bandwidth(MB/s)                       
5.Write Throughput(IOPS)(IO/s)                
6.Average I/O Latency(ms)                     
7.Read Cache Hit Ratio(%)                     
8.Write Cache Hit Ratio(%)                    
9.Average Read I/O Latency(ms)                
10.Average Write I/O Latency(ms)              
11.Cache Water(%)                             
12.Average I/O Latency(us)                    
13.Average Read I/O Latency(us)               
14.Average Write I/O Latency(us)              
Input item(s) number separated by comma:0 

  Bandwidth(MB/s) / Block Bandwidth(MB/s) : 0 

System Response

None

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Updated: 2019-07-12

Document ID: EDOC1000138390

Views: 226822

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