Add http getPage cache hit ratio #18594
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alluxio-bot, merge this please |
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merge failed: |
ssz1997
added
the
type-ease-of-use
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alluxio-bot, merge this please |
LuQQiu
added
type-feature
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alluxio-bot, merge this please |
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What changes are proposed in this pull request?
Add HTTP getPage cache hit ratio. This is used for mimicing how much data read from alluxio cache and how much data possibly fallback to UFS given that no that much user get metrics from alluxiofs client.
Why are the changes needed?
To get cache hit ratio of worker http server get page
Does this PR introduce any user facing changes?
Yes, add some metrics