Improve index header metrics #6847
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harry671003
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yeya24
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Oct 26, 2023
pkg/store/bucket.go
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| @@ -189,9 +189,8 @@ func newBucketStoreMetrics(reg prometheus.Registerer) *bucketStoreMetrics { | |||
| m.blockLoadDuration = promauto.With(reg).NewHistogram(prometheus.HistogramOpts{ | |||
| Name: "thanos_bucket_store_block_load_duration_seconds", | |||
| Help: "The total time taken to load a block in seconds.", | |||
| Buckets: []float64{0.1, 0.5, 1, 10, 20, 30, 60, 120}, | |||
| Buckets: []float64{0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 15, 30, 60, 90, 120, 300}, | |||
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I am thinking about maybe we can start from a larger number like 1s instead of having multiple small buckets from 0.01 to 0.5.
WDYT? I feel like we don't care much about loading blocks fast. For example, we load block from disk cache.
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Same might apply to other two metrics you added
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I agree. At least for the thanos_bucket_store_block_load_duration_seconds and the indexheader_download_duration_seconds, it may not be reasonable to expect it to take less than 100ms.
But the indexheader_load_duration_seconds should take much less right? I'll keep the smaller buckets on that metric.
yeya24
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Oct 26, 2023
Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]>
Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]>
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Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]>
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douglascamata
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* Improve binary reader metrics Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> * Update buckets Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> * Update CHANGELOG Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> --------- Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]>
douglascamata
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Dec 13, 2023
* Improve binary reader metrics Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> * Update buckets Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> * Update CHANGELOG Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]> --------- Signed-off-by: 🌲 Harry 🌊 John 🏔 <[email protected]>
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Changes
thanos_bucket_store_block_load_duration_secondsmetrics.indexheader_download_duration_secondsfor tracking how long it takes to download the indexheader from objstore.indexheader_load_duration_secondsto track how long it takes to initialize the binary reader.