[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v3 2/2] tools/xenstore: set open file descriptor limit for xenstored
Juergen Gross writes ("Re: [PATCH v3 2/2] tools/xenstore: set open file descriptor limit for xenstored"): > On 31.08.21 16:22, Ian Jackson wrote: > > ISTM that the following scheme is in the intersection of everyone's > > requirements: > > > > * The limit will be adjusted/imposed in the startup script. > > * An /etc/{default,sysconfig} parameter will be provided to > > adjust the setting. > > * The default should be `unlimtied` since we cannot calculate > > a safe upper bound for all configurations. > > * Systems like Citrix Hypervisor (XenServer) which can calculate > > a safe upper bound can do so, and adjust the default, enabling > > them to spot fd leaks. > > Makes sense for me. > > So this would mean: > - the sysconfig parameter will no longer be "number of domains", but the > fd limit of the Xenstore daemon > - default should be "unlimited" > - the comment should mention the current number of fds needed per domain > (5 for HVM, 2 for PV/PVH) plus some headroom in dom0 (without any > guest running on my test system 21 fds are active, so I guess a value > of 50 seems appropriate) > > Is this okay? Sounds good to me, thanks. Ian.
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