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4e705726fe
* cache: refactored reusable portion of cache into separate package * repo: plumbed through caching for remote repository clients * repo: plumb through cache in the unit tests * cache: ensure we only allow absolute cache paths, fixed cache path resolution for remote repositories
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package cache
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import (
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"go.opencensus.io/stats"
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"go.opencensus.io/stats/view"
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)
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// cache metrics.
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var (
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MetricHitCount = stats.Int64(
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"kopia/content/cache/hit_count",
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"Number of time content was retrieved from the cache",
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stats.UnitDimensionless,
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)
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MetricHitBytes = stats.Int64(
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"kopia/content/cache/hit_bytes",
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"Number of bytes retrieved from the cache",
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stats.UnitBytes,
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)
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MetricMissCount = stats.Int64(
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"kopia/content/cache/miss_count",
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"Number of time content was not found in the cache and fetched from the storage",
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stats.UnitDimensionless,
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)
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MetricMalformedCacheDataCount = stats.Int64(
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"kopia/content/cache/malformed",
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"Number of times malformed content was read from the cache",
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stats.UnitDimensionless,
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)
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MetricMissBytes = stats.Int64(
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"kopia/content/cache/missed_bytes",
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"Number of bytes retrieved from the underlying storage",
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stats.UnitBytes,
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)
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MetricMissErrors = stats.Int64(
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"kopia/content/cache/miss_error_count",
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"Number of time content could not be found in the underlying storage",
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stats.UnitDimensionless,
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)
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MetricStoreErrors = stats.Int64(
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"kopia/content/cache/store_error_count",
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"Number of time content could not be saved in the cache",
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stats.UnitDimensionless,
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)
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)
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func simpleAggregation(m stats.Measure, agg *view.Aggregation) *view.View {
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return &view.View{
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Name: m.Name(),
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Aggregation: agg,
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Description: m.Description(),
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Measure: m,
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}
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}
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func init() {
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if err := view.Register(
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simpleAggregation(MetricHitCount, view.Count()),
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simpleAggregation(MetricHitBytes, view.Sum()),
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simpleAggregation(MetricMissCount, view.Count()),
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simpleAggregation(MetricMissBytes, view.Sum()),
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simpleAggregation(MetricMissErrors, view.Count()),
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simpleAggregation(MetricStoreErrors, view.Count()),
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); err != nil {
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panic("unable to register opencensus views: " + err.Error())
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}
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}
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