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Hi,
Thank you for your question.
Aurora MySQL innodb_buffer_pool_size
parameter is set by default to 75 percent of physical memory. So, db.r4.8xlarge instance initially available nearly 61GB memory. You can also change the memory settings, but please do a performance test before/after modify this parameter.
This document explain how to identify Freeable memory issues in Amazon Aurora.
I hope this might help.
answered 7 months ago
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