> Use command "vmstat -z|egrep 'ITEM|NetGraph'" and check FAILURES column.
> If you see non-zero values there, you need to increase netgraph memory limits
> net.graph.maxdata and net.graph.maxalloc using /boot/loader.conf.
Thanks, indeed it helped a lot. I also noticed that other zones have
non-zero failure counters:
UMA Slabs: 64, 0, 2666, 1051, 128676,
127
128 Bucket: 524, 0, 1455, 316, 82489,
97401821
g_bio: 132, 0, 0, 3190, 11471737,
3
ata_request: 192, 0, 0, 1880, 2905852,
378
rtentry: 124, 0, 2513, 1765, 802803,
132
pffrent: 16, 5075, 175, 3073, 48983719,
6
pffrag: 48, 0, 39, 3081, 15699916,
216
I'm quite anxious about "ata_request" failures.
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