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SRE Team Update

· 2 min read
John Lotoski

High level summary​

The SRE team continues work on Cardano environment improvements and general maintenance.

Some notable recent changes, updates or improvements include:

  • Mainnet was hard forked to Conway era!

  • Legacy mainnet relays from cardano-ops cluster were stopped and retired.

  • Legacy cardano-explorer hosted at explorer.cardano.org was retired with landing page and beta explorer services now provided by Cardano Foundation.

  • Cardano-smash production load was cutover from the legacy cardano-world cluster to the replacement cardano-mainnet cluster. Remaining cardano-world resources will be retired in the near future.

  • Cardano-faucet was updated for cardano-node 9.1.x level compatibility.

Repository Work​

Cardano Faucet​

  • Brings faucet up to cardano-api and cardano-cli level of cardano-node 9.1: bumps relevant flake pins, updates CHaP indexes, applies fixes for upstream breaking changes, removes cardano-addresses srp, adjusts ghc options, fixes ming32 CI builds, applies most hlint and fourmolu style and config suggestions respectively: cardano-faucet-pull-12

Cardano Parts​

  • Sets cardano-node to 9.1.1, cardano-db-sync to 13.5.0.2, cardano-faucet to 9.1. Adds alerts, dashboard fixes, nixos iowait optimization, smash and blockperf nixosModule improvements. More detail is available in the PR description: cardano-parts-pull-47

Cardano-mainnet​

  • Deploys cardano node to 9.1.1, cardano-db-sync to 13.5.0.2. Improves smash deployments and backup role for production load handling. Improvements made in cardano-parts PR#47 are included in this PR. More detail is available in the PR description: cardano-mainnet-pull-21

Cardano-playground​

  • Deploys cardano node to 9.1.1, cardano-db-sync to 13.5.0.2, cardano-faucet to 9.1. Tests RTS parameter optimization and tracing system changes on preview network machines, tests utxo-hd-9.1.1 on mainnet edge nodes. Improvements made in cardano-parts PR#47 are included in this PR. More detail is available in the PR description: cardano-playground-pull-31

Cardano-world​

  • Destroy retired legacy explorer metal machines and disable alerting: commit-compare