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Have you tried disabling only defrag? The performance issues I'm familiar with are generally related to defrag running at allocation time. I would be curious to
by evan_miller 12y ago
Have you tried disabling only defrag? The performance issues I'm familiar with are generally related to defrag running at allocation time. I would be curious to see your results while enabling THP but:
echo never > /sys/kernel/mm/transparent_hugepage/defrag
- antirez 12y agoAwesome hint, I'll try it. However if huge pages means 2MB copy-on-write for each fault, you want still them turned off for Redis. Also does not help with jemalloc memory reclaiming.