Weekly Notes

I found these things very helpful this week

Tip: Creating a Manifest List Image for Acme Airlines

podman manifest create quay.io/pbastide_rh/openshift-demo:acme-air-414 \
  quay.io/pbastide_rh/openshift-demo:acme-airlines-414-amd64 \
  quay.io/pbastide_rh/openshift-demo:acme-airlines-414-ppc64le \
  quay.io/pbastide_rh/openshift-demo:acme-airlines-414-s390x
podman manifest push quay.io/pbastide_rh/openshift-demo:acme-air-414 quay.io/pbastide_rh/openshift-demo:acme-air-414
Copying 3 of 3 images in list
Copying image sha256:7832d25f2dce210e453eac6b88f9cb3ebd49b8f89fb4861cd23bc19bfb27ab86 (1/3)
Getting image source signatures
Copying blob sha256:5b341ad1266c1f4dd6017a2efafe35397a6b9317faf7933137e7368f778bca2a
Copying config sha256:8ba7bc1af7fe17f17df0707fbc0835392641902a428871fe4d5e4363b56f4ce3
Writing manifest to image destination
Storing signatures
Copying image sha256:511ee668c00c5becd6b979d54161507be493d8c6bb954c287098f3c2fd0db314 (2/3)
Getting image source signatures
Copying blob sha256:6087b8848d1db68cc3e10e4ba17aa6d81efb01a1486a59226c579fe6c9eae989
Copying config sha256:dd9d7a1188a6135654fdc7d503664f381467bc1955fb7700583cf23fa61c1388
Writing manifest to image destination
Storing signatures
Copying image sha256:e48177344209196fd529abb531f2dbc3e414ea0d69f48a7c7838b4725058aed3 (3/3)
Getting image source signatures
Copying blob sha256:fd555f115f1f8370328b19ded057891778434997fc4f63717ddfe93786b71f5c
Copying config sha256:fc4c32ec264db03c9e4b7e441d16826cc1878b6e5a7ef1f432a2005b4687d89d
Writing manifest to image destination
Storing signatures
Writing manifest list to image destination
Storing list signatures

Tip: Sock Shop Demo

Provides a solid microservices demo.

GitHub https://microservices-demo.github.io/

Tip: NUMA Background

There are some issues with NUMA control that make it so much harder to manage. There are some issues with NUMA nodes and container platforms.

• 1. https://github.com/kubernetes-sigs/node-feature-discovery/issues/84
• 2. https://www.mongodb.com/docs/manual/administration/production-notes/#mongodb-and-numa-hardware
• 3. https://blog.jcole.us/2010/09/28/mysql-swap-insanity-and-the-numa-architecture/