Hello, I just recently upgraded my Elasticsearch cluster from 8.10.4 to 8.17.2. Prior to that I have not experienced memory issues with the same load. Data nodes run on i4i.2xlarge EC2 instances with 64G RAM and 8 vCPU. Elasticsearch runs on Ubuntu 20.04 and was installed using Debian package. An…

Elasticsearch 8.17.2: Native memory allocation (mmap) failed

RainTown (Kevin Maguire) March 27, 2025, 2:39pm 2

Wild guess but this thread had sonething similar.

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Elasticsearch 8.17.2: Native memory allocation (mmap) failed

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