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21Grab · architecture
GrabMart data for faster disease outbreak detection
The organization proposes a conceptual data pipeline to analyze aggregated GrabMart transaction data for symptom-related product demand, aiming to supplement clinical surveillance for disease outbreaks. The design relies on data aggregation, statistical baseline comparisons, and privacy safeguards like differential privacy without involving individual health inference. The system remains in an early planning phase requiring rigorous validation, privacy review, and public health oversight.
DEPTH ■■■■■5 min read2 weeks ago
Data Engineering Machine Learning
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22Cloudflare · architecture
Beyond the patch: Protecting your NetScaler gateway against future vulnerabilities
Recent major vulnerabilities in Citrix NetScaler exposed public-facing authentication gateways to unauthenticated remote code execution. To prevent similar emergency patches, the team recommends placing an independent Zero Trust access layer, web application firewall, and strict origin connection controls in front of the application server. Implementing these defense-in-depth measures reduces exposure and ensures a single software flaw does not result in total system compromise.
DEPTH ■■■■■9 min read7 days ago
Security
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23PlanetScale · scaling
Handling hot shards
Growing applications often encounter hot shards when certain tenants or data subsets outgrow initial sharding strategies based on workspace IDs. To mitigate this, teams can scale up resources, isolate large tenants into specific key ranges, or fundamentally change the shard key for problematic tables based on access patterns. Neki facilitates these adjustments by allowing declarative data topologies and online resharding without downtime.
DEPTH ■■■■■7 min read4 weeks ago
MySQL PostgreSQL
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