bb5303272b
- 新增 ops 主仓库（ops_repo.go） - 实现告警数据访问（ops_repo_alerts.go） - 实现仪表板数据访问（ops_repo_dashboard.go） - 实现直方图数据访问（ops_repo_histograms.go） - 实现延迟直方图桶逻辑（ops_repo_latency_histogram_buckets.go） - 新增延迟直方图桶测试（ops_repo_latency_histogram_buckets_test.go） - 实现指标数据访问（ops_repo_metrics.go） - 实现预聚合数据访问（ops_repo_preagg.go） - 实现请求详情数据访问（ops_repo_request_details.go） - 实现趋势数据访问（ops_repo_trends.go） - 实现窗口统计数据访问（ops_repo_window_stats.go） - 更新并发缓存支持 ops 场景 - 注册 repository 依赖注入
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package repository
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import (
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"fmt"
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"strings"
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)
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type latencyHistogramBucket struct {
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upperMs int
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label string
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}
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var latencyHistogramBuckets = []latencyHistogramBucket{
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{upperMs: 100, label: "0-100ms"},
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{upperMs: 200, label: "100-200ms"},
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{upperMs: 500, label: "200-500ms"},
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{upperMs: 1000, label: "500-1000ms"},
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{upperMs: 2000, label: "1000-2000ms"},
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{upperMs: 0, label: "2000ms+"}, // default bucket
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}
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var latencyHistogramOrderedRanges = func() []string {
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out := make([]string, 0, len(latencyHistogramBuckets))
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for _, b := range latencyHistogramBuckets {
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out = append(out, b.label)
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}
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return out
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}()
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func latencyHistogramRangeCaseExpr(column string) string {
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var sb strings.Builder
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sb.WriteString("CASE\n")
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for _, b := range latencyHistogramBuckets {
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if b.upperMs <= 0 {
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continue
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}
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sb.WriteString(fmt.Sprintf("\tWHEN %s < %d THEN '%s'\n", column, b.upperMs, b.label))
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}
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// Default bucket.
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last := latencyHistogramBuckets[len(latencyHistogramBuckets)-1]
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sb.WriteString(fmt.Sprintf("\tELSE '%s'\n", last.label))
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sb.WriteString("END")
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return sb.String()
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}
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func latencyHistogramRangeOrderCaseExpr(column string) string {
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var sb strings.Builder
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sb.WriteString("CASE\n")
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order := 1
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for _, b := range latencyHistogramBuckets {
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if b.upperMs <= 0 {
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continue
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}
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sb.WriteString(fmt.Sprintf("\tWHEN %s < %d THEN %d\n", column, b.upperMs, order))
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order++
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}
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sb.WriteString(fmt.Sprintf("\tELSE %d\n", order))
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sb.WriteString("END")
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return sb.String()
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}
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