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resource_control supports calibrate resource #43212

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3 tasks done
nolouch opened this issue Apr 19, 2023 · 0 comments
Closed
3 tasks done

resource_control supports calibrate resource #43212

nolouch opened this issue Apr 19, 2023 · 0 comments
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type/feature-request Categorizes issue or PR as related to a new feature.

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@nolouch
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nolouch commented Apr 19, 2023 •
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Feature Request

Add new statement calibrate resource to estimate the total Request-Units(RU) of the current cluster.
Because the total ru usage is related to workload resource consumption, so the maximum RU can be different with the different workloads. Thus, the maximum RU estimated by this PR is based on a given workload -- TPC-C, and we may support another workload (e.g. sysbench) in the future.

In general, the bottle of a cluster can be one of TiDB CPU, TiKV CPU, and TiKV IO Bandwidth. Currently, we can get the exact IO bandwidth and for most workloads, it is unlikely to be the bottleneck. So here, we only consider TiDB CPU or TiKV CPU as the bottleneck.

And also we consider needing to make the calibrate according to the actual workload to make it more accurate.

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@nolouch nolouch added the type/feature-request Categorizes issue or PR as related to a new feature. label Apr 19, 2023
@nolouch nolouch changed the title resource_control: support calibrate resource resource_control supports calibrate resource Apr 19, 2023
@nolouch nolouch closed this as completed Apr 19, 2023
@nolouch nolouch mentioned this issue Apr 19, 2023
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@CabinfeverB CabinfeverB mentioned this issue Apr 20, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Apr 25, 2023
@CabinfeverB
resource_control: make metrics time point match in dynamic calibrate (#…
a02a751 
…43248)

ref #43212
@HuSharp HuSharp mentioned this issue May 5, 2023
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@HuSharp HuSharp mentioned this issue May 18, 2023
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@CabinfeverB CabinfeverB mentioned this issue Jun 6, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Jun 16, 2023
@CabinfeverB
calibrate: refactor metrics error (#44451)
841aed8 
ref #43212
@CabinfeverB CabinfeverB mentioned this issue Jun 27, 2023
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@ti-chi-bot ti-chi-bot mentioned this issue Jul 5, 2023
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CabinfeverB added a commit to ti-chi-bot/tidb that referenced this issue Jul 5, 2023
@CabinfeverB
resource_control: make metrics time point match in dynamic calibrate (p…
370db24 
…ingcap#43248)

ref pingcap#43212
ti-chi-bot bot pushed a commit that referenced this issue Jul 5, 2023
@ti-chi-bot
calibrate: refactor metrics error (#44451) (#45167)
9cac952 
ref #43212, close #45166
ti-chi-bot bot pushed a commit that referenced this issue Aug 8, 2023
@CabinfeverB
calibrate: shorten the minimum calibrate duration (#44972)
49b7cc6 
ref #43212
@ti-chi-bot ti-chi-bot mentioned this issue Aug 11, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Aug 12, 2023
@ti-chi-bot
calibrate: shorten the minimum calibrate duration (#44972) (#46007)
fdc19bb 
ref #43212, close #46006
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