It's not possible to make physical backups for databases with files greater 320GB

Description

S3 storages have a limitation with 10k parts. Higher chunk size could cause S3 server to crash due to out of RAM, e.g. with minio helm’s default limits:

Thus we should document that backup servers needs higher limits if we are using bigger chunks.

 

 

I’ve created a test cluster with:

Backup resource:

 

The test program for data generation:

Environment

None

AFFECTED CS IDs

CS0044779

Activity

natalia.marukovich September 16, 2024 at 2:23 PM

We discussed this task with and from our side we can just update documentation adding some notes about S3 server crush.
cc

Nickolay Ihalainen May 17, 2024 at 4:43 PM

backup with big upload chunks could crash S3 server and instead of retry, the backup exists:

Done

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Created May 17, 2024 at 12:26 PM
Updated November 14, 2024 at 5:21 PM
Resolved November 13, 2024 at 12:15 PM