Public bug reported: libjemalloc2 usage on ARM64 kernel using 4k page cache will use excessive memory and lead to excessive page reclaimation due to memory pressure. This is due to libjemalloc built using 64k page cache.
ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: libjemalloc2 5.3.0-2build1 ProcVersionSignature: Ubuntu 6.14.0-1017.17~24.04.1-aws 6.14.11 Uname: Linux 6.14.0-1017-aws aarch64 NonfreeKernelModules: zfs ApportVersion: 2.28.1-0ubuntu3.8 Architecture: arm64 CasperMD5CheckResult: unknown CloudArchitecture: aarch64 CloudBuildName: server CloudID: aws CloudName: aws CloudPlatform: ec2 CloudRegion: us-east-1 CloudSerial: 20251022 CloudSubPlatform: metadata (http://169.254.169.254) Date: Fri Dec 5 19:53:17 2025 Ec2Architecture: arm64 Ec2Imageid: ami-0e720f76b2e48bbaf Ec2Instancetype: c7g.2xlarge Ec2Region: us-east-1 ProcEnviron: LANG=C.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color SourcePackage: jemalloc UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: jemalloc (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug arm64 cloud-image noble -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2134237 Title: libjemalloc2 built with 64k page cache usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/jemalloc/+bug/2134237/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
