Yusuf NarAre MacBook Pro screens really 4K? Well, it is 4K in theory only.This is the biggest issue with macOS software, I believe. Even most of the users are not aware of that.1 min read·Jun 13, 2022----
Yusuf NarBring Apple Settings Icon backI mostly write about databases. This will probably will be my first and last writing about IOS tricks. I want to add this tip here only to…1 min read·Nov 15, 2021----
Yusuf NarWhy our PostgreSQL replicas couldn’t remove WAL files?Last week our monitoring tool alerted that the disks of read replicas were filling up in a critical very large database cluster. This was a…2 min read·Aug 7, 2021----
Yusuf NarHow to migrate a multitenant PostgreSQL database from on-premises to Amazon RDS/AuroraIn this post, I will try to explain the challenges with migrating a large PostgreSQL database with minimal downtime to AWS RDS/Aurora.4 min read·Nov 12, 2020----
Yusuf NarPrewarming Amazon EBS volumesEBS volumes that are created from snapshots can not perform at its full capacity until they are accessed and the data blocks are…2 min read·Feb 16, 2020----
Yusuf NarA possible reason for LWLockTranche/buffer_mapping wait events in PostgreSQLediting2 min read·Jul 18, 2019--1--1