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Re: [nmh-workers] strace show # pauses/takes 5+ sec | network issue? ( n
Re: [nmh-workers] strace show # pauses/takes 5+ sec | network issue? ( not nmh )
Sun, 08 Sep 2019 15:48:32 -0700
On Sun, 08 Sep 2019 14:57:09 -0500 address@hidden wrote:
> I do not think this is a nmh issue, but I could use help troubleshooting it.
> $ mhmail -version
> mhmail -- nmh-1.7.1 built 2018-05-19 10:39:15 +0000 on epjdn.zq3q.org
> I show where the strace output paused for 5+ seconds in the attachments.
> So what should I be asking my vps provider? Is this some network issue?
> This happened on a fedora 30 host, and a centos 7 host (vps hosts on same net
> Fortunately or unfortunately the problem just went away without any action on
> my part --
In addition to -f as Ken suggested, you can specify the -r
flag to strace to know which syscalls take an unusually long
time. This can then lead you to check more things such as
network traffic etc. Though it is strange if "show" triggers
any network traffic.