Limit size of file to 128 MB

[gshikhar2021]

• Snowflake does not support files greater than 128 MB in stage

[gemini-code-assist]

Summary of Changes

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This pull request implements a safety mechanism to prevent the processing of files larger than 128 MB. This change ensures compatibility with Snowflake's external stage limitations by validating file sizes before storage operations for both S3 and Google Drive data sources.

Highlights

• File Size Limitation: Introduced a hard limit of 128 MB for files processed from S3 and Google Drive sources to comply with Snowflake external stage constraints.
• Logging and Skipping: Added logic to log and skip files that exceed the 128 MB threshold during the synchronization and export processes.

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[gemini-code-assist]

Code Review

This pull request introduces a 128 MB file size limit for S3 and Google Drive sources to prevent processing oversized files. While the S3 implementation checks the file size metadata upfront, the Google Drive implementation reads the entire file into memory before checking its size, posing an Out-of-Memory (OOM) risk. It is recommended to use io.LimitReader to safely restrict memory usage and to ensure robust cleanup of stale files that might grow beyond the limit.

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