# Understanding / Document Link for System Metrics in detail

**URL:** <https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190>\
**Category:** Graylog Central (peer support)\
**Created:** [November 16, 2017, 9:47am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190 "2017-11-16T09:47:59Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![saurabh37](https://avatars.discourse-cdn.com/v4/letter/s/8e8cbc/32.png) [@saurabh37](https://community.graylog.org/u/saurabh37)\
**Post date:** [November 16, 2017, 9:47am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190/1 "2017-11-16T09:47:59Z")

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where can I get document for understanding system metrics like: org.graylog2.throughput.input.1-sec-rate  
which we get using system/metrics API of graylog

I am trying to understand how its been caculated and what is possible threshold for these metrics  
Please share some link where I can understand all these metrics

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**Author:** ![jochen](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/jochen/32/8_2.png) [@jochen](https://community.graylog.org/u/jochen)\
**Post date:** [November 16, 2017, 11:03am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190/2 "2017-11-16T11:03:28Z")

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There is currently no documentation for the individual metrics Graylog is emitting.

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**Author:** ![saurabh37](https://avatars.discourse-cdn.com/v4/letter/s/8e8cbc/32.png) [@saurabh37](https://community.graylog.org/u/saurabh37)\
**Post date:** [November 17, 2017, 5:48am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190/3 "2017-11-17T05:48:11Z")

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Thanks for your Quick Reply Jochen,  
if there is no document , than can you please help me to identify Top 5 or 10 metrics used for Performance Monitoring on Graylog which is very crucial, with some brief that what it calculates or give as output, so that I can monitor those and come up with some threshold limits .

Thanks in advance

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**Author:** ![jan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/jan/32/11_2.png) [@jan](https://community.graylog.org/u/jan)\
**Post date:** [November 17, 2017, 9:18am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190/4 "2017-11-17T09:18:24Z")

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you might want to look into: [https://www.graylog.org/blog/86-back-to-basics-monitoring-graylog](https://www.graylog.org/blog/86-back-to-basics-monitoring-graylog)

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [December 1, 2017, 9:18am UTC](https://community.graylog.org/t/understanding-document-link-for-system-metrics-in-detail/3190/5 "2017-12-01T09:18:35Z")

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Closed on December 1, 2017, 9:18am UTC

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