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Dec 28, 2022

How to Create an AWS MySQL RDS Read Replica

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Why? Read Replica provides you extra read-only power, so you can direct your heavy load SELECT (OLAP) queries to the read replica, while the...
Dec 3, 2022

Monitoring Dashboard Principles for AWS Serverless System

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A monitoring dashboard for a serverless system would typically include information about the health and performance of the system, such as t...
Nov 6, 2022

Why you get 503 with your AWS Lambda@Edge?

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 The short answer: Lambda@Edge is limited to a 5 seconds timeout The reason: If you configured your lambda to a larger timeout (let's s...
Oct 17, 2022

How to Enable AWS OpenSearch Slow Logs?

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The first step to solving a data performance issue is tracing the slow queries. OpenSearch support two types of queries: Indexing: write que...
Sep 6, 2022

The Data Analyst Guide: How to Connect Your MongoDB Database

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Install MongoDB Compass Connect to your MongoDB Cluster Run an aggregation query You can find the detailed process in our video Keep Perform...
Aug 31, 2022

How did We Manage to Integrate Two Large Data based Services? or How to Query Large Number of Records from the MySQL database?

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A common case in enterprise systems and micro-services-based architecture is the need to sync data between 2 systems or services. For exampl...
May 9, 2022

Duplicate Your MongoDB ATLAS ReplicaSet/Cluster

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Well, does a MongoDB ReplicaSet/Cluster duplication for backup or test purposes sound like an obvious task? Think again :-) There is no magi...