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July 4, 2018 00:59
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Netdata alert to check if a node is down. Put on the master health.d directory.
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| alarm: slave_down | |
| on: system.cpu | |
| calc: $now - $last_collected_t | |
| units: seconds ago | |
| every: 10s | |
| warn: $this > (($status >= $WARNING) ? ($update_every) : ( 5 * $update_every)) | |
| crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every)) | |
| info: number of seconds since the last successful data collection | |
| to: sysadmin |
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