3 ms·
It wasn't even actual ram pressure - there was ~500 GB of unused ram but something like 800 GB or so of negative cache dentries. So, it was over some threshold
by alyandon 5y ago
It wasn't even actual ram pressure - there was ~500 GB of unused ram but something like 800 GB or so of negative cache dentries.
So, it was over some threshold that the kernel decided it was time to start reclaiming all those entries and locked up the entire server while it was doing so. Madness.