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Metrics endpoint is slow #175

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jayme-github opened this issue Aug 22, 2017 · 2 comments · Fixed by #206
Closed

Metrics endpoint is slow #175

jayme-github opened this issue Aug 22, 2017 · 2 comments · Fixed by #206

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@jayme-github
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jayme-github commented Aug 22, 2017 •
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I've added jmx_exporter to a WildFly 10 setup and notices that the /metrics endpoint is pretty slow (in relation to various other endpoints from applications and exporters). For me /metrics returns data in around 7-10 seconds (without any user load on the server) and would occasionally exceed the prometheus default scrape timeout of 10 seconds.

If this is normal (I'm new to all this Java/JMX/WildFly stuff) a short note in the readme would be cool (at least for people like me 😃 ).
@brian-brazil
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This is normal, JMX is not particularly efficient.

jayme-github added a commit to traum-ferienwohnungen/jmx_exporter that referenced this issue Aug 22, 2017
@jayme-github
Add a note on slow /metrics endpoint
b7347b1 
fixes prometheus#175
@jayme-github jayme-github mentioned this issue Aug 22, 2017
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@yacut yacut mentioned this issue Sep 26, 2017
Open
@jayme-github jayme-github mentioned this issue Nov 9, 2017
Merged
jayme-github added a commit to traum-ferienwohnungen/jmx_exporter that referenced this issue Nov 10, 2017
@jayme-github
Add a note on slow /metrics endpoint
7670ecc 
fixes prometheus#175
@juliohm1978 juliohm1978 mentioned this issue Feb 20, 2018
Closed
brian-brazil pushed a commit that referenced this issue Nov 14, 2019
@jayme-github @brian-brazil
Add a note on slow /metrics endpoint (#206)
0f8c25f 
fixes #175
@finkr
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finkr commented Nov 27, 2019

As mentioned by Brian Brazil: JMX is not particularly efficient.

Using whitelistObjectNames, It is often possible to dramatically speed-up things (dropped from 15 seconds to 0.9s. in my use case).
See -> #284

@srolija srolija mentioned this issue May 8, 2020
Merged
qinghui-xu pushed a commit to qinghui-xu/jmx_exporter that referenced this issue Sep 18, 2020
@jayme-github @qinghui-xu
Add a note on slow /metrics endpoint (prometheus#206)
9c1cf43 
fixes prometheus#175
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@jayme-github @brian-brazil @finkr