Leveraging Open Source- Insight to Foresight

1. ABOUT JUSTDIAL

Introduction and Background

About Justdial

▷ JD began operations as a listings provider for callers in 1996. ▷ JD evolved into a search service linking

consumers with businesses. ▷ JD launched web search in 2007. ▷ India’s no.1 local search destination

▷ 75 million unique users spread across 2000+ towns and cities

▷ Available on Voice, Web, Apps and SMS

▷ Fast, free, reliable and comprehensive

▷ Connect buyers to sellers

2. DATA & INFORMATION

Transforming noise into knowledge

Data & Information

▷ Accuracy, Speed and Completeness is the key

▷ Continuous addition and enhancement of all data

▷ Protection of users personal information

▷ Easy and fast dissemination of business data

Data & Information

▷ 1000+ servers handling approximately 300 TB of data

▷ Approximately 10 TB data added monthly

▷ Capture approximately 150 data points per search

▷ Over 15 million buisness listings ▷ Cater to over 3 million searches across

platforms daily ▷ 10000+ employees inside JD using

optimized version of opensource (sw+os)

3. Building Blocks

We rely on OSS to power our applications

Technology Stack

▷ PHP, MySQL ▷ Sphinx, C ▷ Neo4j ▷ Maria, MongoDb ▷ Python, Julia ▷ Varnish/Memcached ▷ Apache/nginx ▷ RHEL

Why RHEL

▷ Certified and recommended by all good hardware providers

▷ Best Support available

▷ Compatibility of modern hardware. ▷ excellent contribution from community. ▷ stability and maturity.

Thank You!