Category: System Architecture
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Building Scalable & Cost Effective Audit Platform
Auditing is a critical component in platforms like OLX India where large volumes of user-generated content and transactions occur daily. It ensures transparency and accountability by recording key activities related to users and ads like account creation, account updates, ad postings, edits, and moderation actions. The audit trail system helps detect and prevent fraud, support…
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Logging at OLX with ClickHouse & Grafana
At OLX India, our services generate huge volumes of logs that are essential for developers, particularly when debugging or addressing incidents. Historically, we’ve utilized a mix of both open-source and licensed tools, including ELK, NewRelic, and CloudWatch, to manage and analyze these logs. However, over time, we encountered several challenges with these tools that hindered…
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Building a Highly Scalable Media Server
Here are some insights into how we built a highly scalable media server from scratch in just one month. Which processes over 650M requests daily, with peaks reaching more than 15,000 image fetch requests per second, featuring real-time image processing like watermarking and resizing. It also efficiently serves document and audio media files.