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Command Reference 10

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

"Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these 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 the performance statistics on cache partitions.

Format

show performance cache_partition [ cache_partition_id=? ] [ cache_partition_id_list=? ]

Parameters

Parameter

Description

Value

cache_partition_id=? ID of the cache partition whose performance statistics you need to collect.

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

cache_partition_id_list=? ID list of cache partitions whose performance statistics you need to collect.

To obtain the value, run "show cache_partition general". When multiple cache partitions need to be added, separate the cache partition IDs with commas (,). The ID range can be represented by hyphens, such as 0,5-8.

Level

Guest

Usage Guidelines

  • After this command is executed, performance data categories are displayed. You can enter the serial number before a category and press "Enter" to view the category of data. You can enter multiple serial numbers and use commas (,) to separate them.
  • 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 I/Os of 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 seperated by comma:0
Bandwidth (MB/s) / Block Bandwidth (MB/s) : 0

System Response

None

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Updated: 2019-07-22

Document ID: EDOC1000084195

Views: 345192

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