andyyk https://blog.hatena.ne.jp/andyyk/ Mackerel Docs https://mackerel.io/docs/ This feature allows you to monitor metrics calculated by an expression. This feature is a paid option. It is not available with the Free plan. Also, it is currently an experimental feature. Expression monitoring specifications Metrics from two minutes prior to the current time will be monitored. The… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmackerel.io%2Fdocs%2Fentry%2Fexpression-monitoring" title="Expression Monitoring - Mackerel Docs" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> http://cdn.mogile.archive.st-hatena.com/v1/image/murata_s/302446800847032711.png Hatena Blog https://hatena.blog 2016-08-01 17:01:45 rich https://mackerel.io/docs/entry/expression-monitoring 1.0 100%