codex weekly add

content/roadmap/codex/updates/2023-08-31.md

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+---
+title: 2023-08-31 Codex weekly
+tags:
+  - codex-updates
+date: 2023-08-31
+lastmod: 2023-09-04
+draft: false
+---
+# Codex Update August 21-31
+
+## Client
+
+### Milestone: Block Merkelization
+- [Storing and retrieving data using merkle trees](https://github.com/codex-storage/nim-codex/pull/541)
+- [Coders for merkle trees](https://github.com/codex-storage/nim-codex/pull/519)
+- [Refine merkle tree construction](https://github.com/codex-storage/nim-codex/pull/516)
+
+### Milestone: Block Exchange protocol refinements and simulations
+- Tracker simulation implementation
+- Block exchange protocol thoughts 
+  - https://hackmd.io/ydT3AiliS8q2vdixBUXvCQ
+- Follow [swarmsim repo](https://github.com/codex-storage/swarmsim) for updates
+
+### Milestone: Async Disc Access & Threading support
+- Tests on sharing thread data with refc
+- [errorVariable and thread safety](https://github.com/codex-storage/questionable/issues/45)
+  - [Fix error binding in without statement on multiple threads](https://github.com/codex-storage/questionable/pull/46)
+- [WIP: Prototype proxy IO threadpool](https://github.com/codex-storage/nim-datastore/pull/42)
+
+### Milestone: Client stability and debugging
+- Major effort to stabilize the Codex client through continuous automated testing
+  - [Start discovery after announce address is updated](https://github.com/codex-storage/nim-codex/pull/543)
+  - [Start discovery after announce address is updated](https://github.com/codex-storage/nim-codex/pull/536)
+  - [Retrieve empty blocks](https://github.com/codex-storage/nim-codex/pull/513)
+
+## Infra
+
+### Milestone: Monitoring and Metrics
+- Install Node exporter and Prometheus in Dist-Tests cluster
+- Grafana Dashboard updates
+- Automated metrics scraping