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Illustration of a wall clock at 2:00 beside versioned policy cards v17 and v18 with a W+1 window token tag, above a stream of events

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Temporal versioning to stop config drift in stream processing
Portrait of Kalpesh Deo, Staff software engineer-II at One2N

Kalpesh Deo

Staff software engineer-II @One2N

How temporal versioning with effective-time configuration and window tokens stops configuration drift across tenant time zones, rollovers and event replay.

Cover illustration for How one parameter stalled Postgres replication with Debezium for 3 weeks

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How one parameter stalled Postgres replication with Debezium for 3 weeks
Portrait of Harsh Mishra, SRE

Harsh Mishra

SRE

A story about WAL segments, missing events, and the one line of SQL that should have been there from the start.

Cover illustration for Spring Kafka batching: how we shot ourselves in the foot

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Spring Kafka batching: how we shot ourselves in the foot
Portrait of Mahesh Aravind, SDE at One2N

Mahesh Aravind

SDE @One2N

Spring Kafka batch listeners cost us non-blocking retries for a small throughput gain. How listener batching differs from producer batching, and the fix.

Cover illustration for GitOps for Kafka: how we governed 78 clusters without breaking production

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GitOps for Kafka: how we governed 78 clusters without breaking production
Portrait of Harshwardhan Mehrotra, SRE at One2N

Harshwardhan Mehrotra

SRE @One2N

Portrait of Spandan Ghosh, Content at One2N

Spandan Ghosh

Content @One2N

GitOps for Kafka with Jikkou: how a small platform team governed 78 clusters, 10,000+ topics and Kafka 0.8.2 to 4.x, replacing 3 to 5 day topic tickets.

Cover illustration for Implementing a real-time analytics engine using big data principles

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Implementing a real-time analytics engine using big data principles
Portrait of Jaideep Khandelwal, CTO at One2N

Jaideep Khandelwal

CTO @One2N

A real-time analytics engine for 50 million data points: replacing a MySQL setup with 48-hour query delays with Apache Spark pipelines and data marts.

Talks

Thumbnail for the talk Just enough queuing theory to be dangerous

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Just enough queuing theory to be dangerous
Portrait of Chinmay Naik, CEO at One2N

Chinmay Naik

CEO @One2N

Just enough queueing theory to build better async systems: monitoring, scaling, and capacity planning for event-driven workloads in practice.

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