Ajin Cherian

Software engineer at Fujitsu

About

Ajin is a PostgreSQL significant contributor and member of Fujitsu’s Open Source Software team, specialising in logical replication development. He has co-authored patches that added logical decoding of two-phase transactions (PostgreSQL 14), the two_phase subscription option for replicating prepared transactions (PostgreSQL 15), and the skipping of empty transactions in logical replication (PostgreSQL 15). He has also contributed to the synchronisation of logical replication slots to standbys for failover (PostgreSQL 17) and worked on conflict detection and resolution in logical replication.

Ajin Cherian has presented the following presentations

    Peter Smith Ajin Cherian New Publication Syntax and Sequence Synchronization in PostgreSQL 19 and Beyond at PG Down Under 2026
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    presented by Peter Smith and Ajin Cherian

    This talk will be co-presented by Ajin Cherian and Peter Smith.

    PostgreSQL 19 brings significant enhancements to logical replication, giving administrators far greater control over what gets replicated and how. In this talk, two PostgreSQL contributors who worked directly on these features cover the same new functionality from two complementary angles.

    Ajin Cherian opens with the sequence...

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    Fri 30 2026 Essentials