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Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. Based on the CLI, this document describes how to use various commands classified by functionsand 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 file_system top

show file_system top

Function

The show file_system top command is used to collect the information about the file systems that are accessed the most in a specified period and display the information.

Format

show file_system top [ iteration=? ] [ sort_key=? ] [ row=? ]

Parameters

Parameter

Description

Value

row=?

Number of top file systems to be displayed.

-

iteration=?

Times that the command is executed to perform statistics.

-

sort_key=?

Sorting keyword.

-

Views

Developer view

Usage Guidelines

  • The command can be used to collect statistics at a time or multiple times. Parameter "iteration" specifies the number of statistics times. If the value of "iteration" is 0, the command is executed infinitely.
  • Performance data will be updated in real time.
  • Press q to exit from the performance data page.

Example

Query top n file systems with the highest OPS.

developer:/>show file_system top iteration=2 
Press key "q" or ctrl-c to exit... 

  Filesystem     ID  OPS Bandwidth(MB/s)  Request Size(B)  Response(us)  Read(%)  Read Response(us)  Write Response(us) 
  -------------  --  ----  ---------------  ---------------  ------------  -------  -----------------  ------------------ 
  FileSystem001  0 9567  74.721           8192             1475          50       2542               400                  
  FileSystem002  1 9465  75.721           8192             1783          50       2738               406                  

  Filesystem     ID  OPS Bandwidth(MB/s)  Request Size(B)  Response(us)  Read(%)  Read Response(us)  Write Response(us) 
  -------------  --  ----  ---------------  ---------------  ------------  -------  -----------------  ------------------ 
  FileSystem001  0 9054  70.726           8192             1576          49       2783               398                  
  FileSystem002  1 8162  65.296           8192             1732          51       2378               404                  

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Filesystem

Indicates a file system.

Response(us)

Response latency.

Read

Read ratio (%).

Request Size(B)

Request size.

Bandwidth(MB/s)

Bandwidth of I/Os processed per second.

OPS

Number of operations processed per second.

ID

File system ID.

Write Response(us)

Write response latency.

Read Response(us)

Read response latency.

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Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 717683

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