[Pdns-announce] Second Release Candidate for PowerDNS AUthoritative Server 4.5.0
Peter van Dijk
peter.van.dijk at powerdns.com
Tue Jul 6 08:22:28 UTC 2021
Today we released the second, and hopefully last, Release Candidate for Authoritative Server version 4.5.0. Please try it!
Version 4.5.0 mostly brings small improvements and fixes, but there are two notable new features:
* The ‘zone cache’, which allows PowerDNS to keep a list of zones in memory, updated periodically. With this cache, PowerDNS can avoid hitting the database with queries for unknown domains. In some setups, and some attack scenarios, this can make a serious performance difference. Many thanks to Chris Hofstaedtler for implementing this.
* Priority ordering in the AXFR queue in PowerDNS running as a secondary. Some users with a lot of domains (>100k) sometimes found real changes waiting behind signature refreshes on Thursdays. With the new ordering, those real changes can ‘skip the line’ and get deployed on your secondaries faster. Many thanks to Robin Geuze for implementing this.
Since 4.5.0-beta1, the zone cache is enabled by default.
A full list of changes can be found in the changelog.
Please make sure to read the Upgrade Notes before upgrading.
With version 4.5.0, support for platforms with a time_t type smaller
than 64 bits is dropped. This means that we do not build packages for
Raspberry Pi OS.
The tarball (signature) is available at
downloads.powerdns.com. Packages for various distributions are
available from repo.powerdns.com.
Please send us all feedback and issues you might have via the
mailing list, or in case of a bug, via GitHub.
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