refresh 5 s | 14:02:07
One alert is firing and one is acknowledged. Everything else has been quiet for six days.
| host | state | cpu% | cpu | mem% | load | up |
|---|---|---|---|---|---|---|
| web-02 | ok | 71.3 | ||||||||||||||...... | 48.0 | 2.14 | 41 d |
| web-01 | ok | 64.9 | |||||||||||||....... | 51.2 | 1.87 | 41 d |
| db-01 | ok | 38.2 | ||||||||............ | 82.5 | 1.02 | 112 d |
| queue-01 | slow | 31.0 | ||||||.............. | 67.4 | 0.96 | 9 d |
| db-02 | ok | 22.7 | |||||............... | 79.1 | 0.61 | 112 d |
| cache-01 | ok | 12.4 | ||.................. | 90.3 | 0.30 | 63 d |
| mail-01 | ok | 4.8 | |................... | 33.6 | 0.08 | 201 d |
| db-03 | down | 0.0 | .................... | 0.0 | 0.00 | 0 d |
db-03 disk100%
Twelve hosts in three groups, asked every five seconds.
web
cpu ||||||||||...... 64.9%
mem ||||||||........ 51.2%
web
cpu |||||||||||..... 71.3%
mem |||||||......... 48.0%
data
cpu ||||||.......... 38.2%
mem |||||||||||||... 82.5%
data
cpu ||||............ 22.7%
mem ||||||||||||.... 79.1%
data
cpu ................ no answer
dsk |||||||||||||||| 100%
data
cpu ||.............. 12.4%
mem ||||||||||||||.. 90.3%
mail and queue
cpu |||||........... 31.0%
lag |||||||......... 9 s
mail and queue
cpu |............... 4.8%
mem ||||||.......... 33.6%
No host is paused. A paused host is still asked, but raises no alert.
pause a hostOne firing, one acknowledged, none silenced.
Firing: db-03 has not answered since 14:01. Its last report showed the disk at 100%.
Acknowledged: queue-01 is 9 seconds behind. ops took it at 13:44.
No answer to five questions in a row.
/var at 100%, limit 90%.
Oldest job waits 9 s, limit 5 s.
Back after 40 s; a deploy was running.
A data host that runs out of disk stops writing and then stops answering. Free space first, find the cause after.
/var/log.Lower the days of logs kept, then ask whether the dump can move.
Whoever acknowledged the alert; the name is on its line.
Run df -h /var. The alert closes by itself under 90%.
How often the host is asked, and when it raises an alert.
Its 112 days of figures are deleted with it. Pausing keeps them.
One line per answer for a day, one per minute for a month, one per hour after that.