Hello all, in order to optimize Toolforge resources utilization we will be progressively changing the default memory requests for webservice tools from 256MB to 64MB. Memory and CPU requests are scheduler hints for Kubernetes on how to allocate tools to worker nodes; the default memory limit (i.e. enforced maximum memory usage) stays unchanged at 512MB. There is no expected impact to tools using more memory than they request.
The first phase will involve changing requests from 256MB to 128MB on Wed May 6th starting at 8 UTC, and from 128MB to 64MB on Tue May 12th starting at 8 UTC. We will be restarting webservice tools as part of the deployment and no action is required on tool maintainers' part. The details of this work can be found at https://phabricator.wikimedia.org/T420565 best, Filippo -- *Filippo Giunchedi* Staff Site Reliability Engineer Wikimedia Foundation <https://wikimediafoundation.org/>
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