Re: [pve-devel] [RFC pve-qemu] disable jemalloc

2020-12-11 Thread alexandre derumier
AFAIK, It was mainly for rbd performance, but performance is fixed now (with glibc from buster). So, I think we don't need it anymore. On 10/12/2020 16:23, Stefan Reiter wrote: jemalloc does not play nice with our Rust library (proxmox-backup-qemu), specifically it never releases memory alloca

[pve-devel] [RFC pve-qemu] disable jemalloc

2020-12-10 Thread Stefan Reiter
jemalloc does not play nice with our Rust library (proxmox-backup-qemu), specifically it never releases memory allocated from Rust to the OS. This leads to a problem with larger caches (e.g. for the PBS block driver). It appears to be related to this GitHub issue: https://github.com/jemalloc/jemal