Showing posts with the label Performance Tuning

Eliminating DynamoDB Hot Partition Throttling with Write Sharding Strategies

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If you are reading this, you are likely staring at a flood of ProvisionedThroughputExceededException errors in your CloudWatch logs. We encountered this exact scenario when a single tenant in our m…
Eliminating DynamoDB Hot Partition Throttling with Write Sharding Strategies

GitHub Actions Slow? Fix Docker Layer Caching with Buildx (Mode=Max)

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There is nothing more frustrating than pushing a critical hotfix and staring at the "Building..." spinner for 15 minutes. In a recent production incident involving a high-traffic Node.js m…
GitHub Actions Slow? Fix Docker Layer Caching with Buildx (Mode=Max)

Fixing 5s Latency in Elasticsearch 8: Shard Sizing & ILM War Stories

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The alerting channel screamed at 2:00 AM on a Friday. Our production ELK Stack —responsible for ingesting 2TB of log data and powering the site's internal search—had ground to a halt. Simple ter…
Fixing 5s Latency in Elasticsearch 8: Shard Sizing & ILM War Stories

Latencia en Elasticsearch: Arreglando Shards y Heap con ILM (Caso Real)

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La semana pasada, nuestro cluster de producción comenzó a arrojar excepciones de CircuitBreakerException bajo una carga moderada. El síntoma era claro pero aterrador: consultas de agregación simpl…
Latencia en Elasticsearch: Arreglando Shards y Heap con ILM (Caso Real)
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