/AWS1/CL_LMDS3FILESCONFIG

Setting controls how your function accesses data from an Amazon S3 file system.

CONSTRUCTOR

IMPORTING

Optional arguments:

iv_directs3read TYPE /AWS1/LMDDIRECTS3READ /AWS1/LMDDIRECTS3READ

Specifies if a function reads from the file system for the lowest latency, or through Amazon S3 Files feature "direct Amazon S3 bucket reads" for the highest throughput. Valid values:

• AUTO (default) – Direct reads are active for functions you configure with 512 MB or more of memory.

• ENABLED – Enforces all reads are directly from the Amazon S3 bucket, regardless of available memory (less than 512 MB).

• DISABLED – Routes all reads through the file system, regardless of memory configuration.

To use direct reads, you must grant the execution role the s3:GetObject and s3:GetObjectVersion permissions. If a direct read fails, Lambda automatically falls back to reading through the file system.

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Queryable Attributes

DirectS3Read

Specifies if a function reads from the file system for the lowest latency, or through Amazon S3 Files feature "direct Amazon S3 bucket reads" for the highest throughput. Valid values:

• AUTO (default) – Direct reads are active for functions you configure with 512 MB or more of memory.

• ENABLED – Enforces all reads are directly from the Amazon S3 bucket, regardless of available memory (less than 512 MB).

• DISABLED – Routes all reads through the file system, regardless of memory configuration.

To use direct reads, you must grant the execution role the s3:GetObject and s3:GetObjectVersion permissions. If a direct read fails, Lambda automatically falls back to reading through the file system.

Accessible with the following methods

Method	Description
GET_DIRECTS3READ()	Getter for DIRECTS3READ, with configurable default
ASK_DIRECTS3READ()	Getter for DIRECTS3READ w/ exceptions if field has no value
HAS_DIRECTS3READ()	Determine if DIRECTS3READ has a value