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      Ajin Cherian

      Specialized in high availability and fault-tolerant systems. Active PostgreSQL open source contributor with experience in Agile methodologies and product ownership. Experienced system software developer with a strong background in HP NonStop servers, operating systems, embedded systems, and database engineering. Proficient in C, C++, Python, Linux system/application programming, memory management, and network protocols (TCP/IP, Ethernet, OAM, YANG).
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      Recent posts

      Failover slot synchronization in PostgreSQL

      Ajin Cherian August 18, 2026

      Discover how PostgreSQL enhances failover slot synchronization for logical replication, improving reliability and reducing downtime during failovers.

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      Detection and resolution of conflicts in PostgreSQL logical replication

      Ajin Cherian July 15, 2025

      At PGConf.dev, PostgreSQL experts Ajin Cherian and Zhijie Hou discussed how PostgreSQL 18 will enhance logical replication with automated conflict resolution.

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      Logical replication permissions in PostgreSQL 15

      Ajin Cherian April 27, 2023

      Ajin Cherian explains a crucial change regarding permissions in logical replication introduced in PostgreSQL 5 to avoid a potential security violation.

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      Two-phase commits for logical replication publications/subscriptions

      Ajin Cherian April 21, 2022

      Ajin Cherian writes about the new feature added in PostgreSQL 15 that allows supporting of two-phase commits in logical replication using publications/subscriptions.

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      Logical decoding of two-phase commits in PostgreSQL 14

      Ajin Cherian August 03, 2021

      Ajin Cherian gives a deep-dive of a new feature in PostgreSQL 14: logical decoding of two-phase commits.

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