[GENERAL] Any known issues Pg 9.3 on Ubuntu Xenial kernel 4.4.0?

Basically as per $subject.

We took a perf hit moving up to newer hardware and OS version which
might in some cases be OK but admittedly there is some risk running a
much older app (Pg 9.3) on a kernel/OS version that nowhere near existed
when 9.3 was current.

Be curious to hear of issues encountered and particular to eager to know
if disabling any kernel 4.x features helped.

Thanks
PostgreSQL 9.3.19 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609, 64-bit


$ uname -a
Linux foo.somehost.com 4.4.0-92-generic #115-Ubuntu SMP Thu Aug 10 09:04:33 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

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Jerry Sievers
Postgres DBA/Development Consulting
e: postgres.consulting@comcast.net
p: 312.241.7800


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