*: add metrics for unified read pool #6534
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sticnarf
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Signed-off-by: Yilin Chen <sticnarf@gmail.com>
Signed-off-by: Yilin Chen <sticnarf@gmail.com>
Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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Signed-off-by: Yilin Chen <sticnarf@gmail.com>
Signed-off-by: Yilin Chen <sticnarf@gmail.com>
| @@ -61,3 +68,88 @@ lazy_static! { | |||
| ) | |||
| .unwrap(); | |||
| } | |||
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| pub struct CopLocalMetrics { | |||
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Why not move it to src/coprocessor/local_metrics.rs?
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Oh, I found src/coprocessor/local_metrics.rs is never used..
Signed-off-by: Yilin Chen <sticnarf@gmail.com>
This was referenced Feb 13, 2020
andylokandy
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Feb 13, 2020
src/read_pool.rs
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| inner, | ||
| } | ||
| } | ||
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| // Only flush metrics by tick | ||
| fn maybe_flush_metrics(&self) { |
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Would try_flush_metrics be better?
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try_ usually returns a Result while here we just ignore too frequent flushes
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fixed. PTAL again.
Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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What have you changed?
With these metrics we can see how the multilevel thread pool is scheduling small and big requests:
What is the type of the changes?
How is the PR tested?
Metrics are now available.
Does this PR affect documentation (docs) or should it be mentioned in the release notes?
No
Does this PR affect
tidb-ansible?No