feat: support expire prometheus metrics#10869
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juststillthinking merged 5 commits intoFeb 18, 2024
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juststillthinking
marked this pull request as draft
January 25, 2024 12:53
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LGTM! |
moonming
reviewed
Jan 29, 2024
| # - 100 | ||
| # - 200 | ||
| # - 500 | ||
| # expire: 86400 # the expiration time after metrics become inactive, unit: second |
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Default value should be 0 to keep the same strategy as before, no expiration time
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👍 |
juststillthinking
marked this pull request as ready for review
February 6, 2024 10:16
membphis
reviewed
Feb 8, 2024
AlinsRan
approved these changes
Feb 18, 2024
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@monkeyDluffy6017 Hello, if I want to fix this issue in version 3.2.2 of APISIX, can I make the changes according to the code in this link (https://github.com/apache/apisix/pull/10869/files), or can I directly replace the prometheus/exporter.lua file? Looking forward to your reply. |
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Description
The prometheus metrics we record are stored in LRUs, and although there is no memory leakage, the metrics are not eliminated until they reach the upper limit of the LRUs. As the metrics become more and more numerous, the prometheus server consumes more and more CPU when pulling data, and a mechanism is needed to eliminate the outdated data.
Fixes #9627
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