SRE update 2024-02-16 (#346)

blog/2024-02-16-sre.md

@@ -0,0 +1,54 @@
+---
+title: SRE Team Update
+slug: 2024-02-16-sre
+authors: johnalotoski
+tags: [sre]
+hide_table_of_contents: false
+---
+
+## High level summary
+
+The SRE team continues work on cardano environment improvements and general
+environment maintenance.
+
+Some notable recent changes, updates or improvements include:
+* Sanchonet state was respun from slot 14255995 for cardano-node 8.8.0-pre
+* Cardano node 8.8.0-pre is now deployed to sanchonet, shelley-qa, two-thirds
+  of preprod and one-third of preview networks
+* IOG pool block producers are now signing mithril certificates for preview,
+  preprod and mainnet networks
+* A cardano performance dashboard is now available for both playground and
+  cardano-mainnet deployments
+
+## Lower level summary
+
+### Cardano-mainnet
+* Adds mithril signers and perf dashboard to the mainnet cluster; improves
+  network docs, tunes alerts, plus misc fixes:
+  [cardano-mainnet-pull-8](https://github.com/input-output-hk/cardano-mainnet/pull/8)
+
+### Cardano-parts
+* Adds mithril signer capability to role-block-producer nixosModule, adds a
+  profile-mithril-relay nixosModule and includes misc other improvements and
+  fixes:
+  [cardano-parts-pull-31](https://github.com/input-output-hk/cardano-parts/pull/31)
+
+* Updates packages for sanchonet respin, adds a node performance dashboard
+  template and fixes misc issues:
+  [cardano-parts-pull-32](https://github.com/input-output-hk/cardano-parts/pull/32)
+
+### Cardano-parts
+* Adds mithril signers and mithril relays to preview and preprod networks and
+  includes misc other improvements and fixes:
+  [cardano-playground-pull-15](https://github.com/input-output-hk/cardano-playground/pull/15)
+
+* Updates machines and pin for sanchonet respin, adds a node performance
+  dashboard and fixes misc issues:
+  [cardano-playground-pull-16](https://github.com/input-output-hk/cardano-playground/pull/16)
+
+### Iohk-nix
+* Updates conway-genesis for node 8.8.0-pre:
+  [iohk-nix-pull-571](https://github.com/input-output-hk/iohk-nix/pull/571)
+
+* Updates useLedgerAfterSlot for respin of sanchonet:
+  [iohk-nix-pull-572](https://github.com/input-output-hk/iohk-nix/pull/572)