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Dave Howorth wrote:
I've just noticed that Transparent Huge Pages are enabled on my Leap 15.0 system. I don't believe I've done anything to cause that since I didn't know what they were until I recently read the redis log which says:
"WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled."
So why are THP enabled by default? I could understand if they were set to madvise for example, but are they likely to make a huge difference on my 8 GB desktop?
Looking at a couple of Leap 42.3 and Leap 15 systems, with memory varying from 4G to 16G, they all have it enabled. THP is supposedly good for performance machines with larger amounts of memory. -- Per Jessen, Zürich (12.8°C) http://www.dns24.ch/ - your free DNS host, made in Switzerland. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org