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Advanced O&M Command Reference
OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. 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 ddp mem_info

show ddp mem_info


The show ddp mem_info command is used to query the information about the dynamic memory of the deduplication module, including type, size, and usage.


show ddp mem_info controller=?





controller=? Controller ID.

The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C".


Developer view

Usage Guidelines

When runnning this command, specify a controller ID.


To view the information about dynamic memory.

developer:/>show ddp mem_info controller=0A
ID Name Size Used Count Peak Count
-- ------------------- ------ ---------- ----------
0 chunk cache entry 512B 0 0
1 chunk cache page 8192B 0 0
2 ddp chunk context 256B 0 23
3 ddp recl chunk 64B 0 0
4 chunk data shell 512B 0 24
5 dre hash data shell 8192B 0 0
6 dre hash fp shell 32768B 0 0
7 ddp scan bookmark 64B 0 0

System Response

The following table describes the parameter meanings.




Memory ID.


Memory name.


Memory size of the corresponding struct.

Used Count

Number of corresponding structs that have been used.

Peak Count

Peak value used by corresponding structs.

Updated: 2020-03-19

Document ID: EDOC1000181575

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