Am 03.04.22 um 14:29 schrieb Anand Buddhdev via nsd-users: > NSD temporarily uses double the amount of RAM. Hello Anand, do you have the chance to try version 4.4.0? The announcement [1] promise "Lower memory usage of the XFRD process by default." Andreas [1] https://nlnetlabs.nl/projects/nsd/download/#nsd-4-4-0