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Manisankar K

Manisankar K

Director of Database Operations

Manisankar is the Director of Database Operations at HexaCluster. Before joining HexaCluster, he worked as a Senior Database Manager at MigOps and as a Database Consultant at HCL. As a PostgreSQL expert, Mani has supported numerous customers in deploying PostgreSQL and published a number of technical articles in his free time. In addition to PostgreSQL, he is also skilled in other database technologies such as MySQL, Oracle, Cassandra and more. Manisankar is also well-versed in development languages such as Python, Groovy, and Perl, empowering him to create solutions that automate complex operations for Customers.

All Blogs by Manisankar K

Migrating a 50 TB EDB PostgreSQL database with TimescaleDB to PostgreSQL using HexaRocket

Database MigrationHexaRocket

How we migrated a Qatar government entity's 50 TB EDB PostgreSQL database, TimescaleDB included, to community PostgreSQL using HexaRocket with ~1.5 TB of data migrated per hour, live replication with less than 1 second replication lag, built-in data

How we migrated a Qatar government entity's 50 TB EDB PostgreSQL database, TimescaleDB included, to community ...

Manisankar K
•Jul 22, 2026

Rebuilding Tables online using pg_repack in PostgreSQL

postgresqlpostgres_extensionspg_repack

Any database engine, including PostgreSQL, requires some routine maintenance to ensure optimal performance. Especially when there are massive delete or purge operations to delete rows from a Table, the fragmentation builds up within a table.

Any database engine, including PostgreSQL, requires some routine maintenance to ensure optimal performance. Es...

Manisankar K
•Apr 15, 2024