How does ece limit disk iops for es node?

Elastic Orchestration Elastic Cloud Enterprise (ECE)
1

Hi,
As we know, docker provides capability to limit disk iops by using 'blkio-weight' parameter.

I notice ece set different 'blkio-weight' for different size es node.

What is the strategy behind this?

Thanks!

2

The relative weight of the different clusters is proportional to their capacity (which is how CPU shares are also calculated)

Specifically, the calculation is something like min(1000, 1024*(cluster_mem/total_allocator_memory)*120%), but that's an internal implementation detail subject to change.

Alex

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