Question #271250 on Graphite changed:
https://answers.launchpad.net/graphite/+question/271250
Christopher Swingler posted a new comment:
Also, we're seeing a lot of _read_ i/o coming from carbon-cache
(changing the CACHE_WRITE_STRATEGY had no effect on this) - is that
normal?
root@prod-statsd01:/etc/carbon# iotop -b -n1
Total DISK READ : 7.53 M/s | Total DISK WRITE : 1836.39 K/s
Actual DISK READ: 6.81 M/s | Actual DISK WRITE: 0.00 B/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND
31822 be/4 _graphit 7.53 M/s 1836.39 K/s 0.00 % 58.88 % python
/usr/bin/carbon-cache --config=/etc/carbon/carbon.conf
--pidfile=/var/run/carbon-cache.pid --logdir=/var/log/carbon/ start
1 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % init
2 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kthreadd]
3 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [ksoftirqd/0]
5 be/0 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kworker/0:0H]
32069 be/4 _graphit 0.00 B/s 0.00 B/s 0.00 % 0.00 % (wsgi:_graphite)
-k start
7 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rcu_sched]
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