mirror of
https://github.com/Rain-kl/OpenFlare.git
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ryan
2f60329886
代码质量全量清理，零行为变化：golangci 扩展集 13 类 linter（gosec/modernize/perfsprint/canonicalheader/usestdlibvars/wastedassign/intrange/errorlint/forcetypeassert/recvcheck/exhaustive/unparam）全量修复，测试代码质量（testifylint/thelper/usetesting）25→0，frpc 进程生命周期真 bug（进程组击杀）、全仓 go test -race 6 类数据竞争（含 1 个生产竞争）、SPDX license 头补齐 131 文件、前端测试套件 next-intl 迁移后 44 失败→全绿、过期 swagger 文档重新生成、pnpm-workspace 构建审批。 Experiments: #2-#17, #18, #20, #21, #23 Metric: total_issues 108 → 8 (-92.6%)
67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package analytics
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import (
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"context"
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"errors"
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"fmt"
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"github.com/Rain-kl/Wavelet/internal/infra/config"
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db "github.com/Rain-kl/Wavelet/internal/infra/persistence"
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analyticsmodel "github.com/Rain-kl/Wavelet/internal/model/analytics"
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)
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// ClickHouseOperationalStats summarizes ClickHouse merge/mutation pressure
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// and in-process batch writer queue health.
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type ClickHouseOperationalStats = analyticsmodel.ClickHouseOperationalStats
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// GetClickHouseOperationalStats returns operational metrics for the configured database.
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func GetClickHouseOperationalStats(ctx context.Context) (*ClickHouseOperationalStats, error) {
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if db.ChConn == nil {
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return nil, errors.New("clickhouse native connection is not initialized")
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}
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database := config.Config.ClickHouse.Database
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stats := &ClickHouseOperationalStats{Database: database}
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partsSQL := `
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SELECT
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count() AS active_parts,
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ifNull(sum(rows), 0) AS total_rows
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FROM system.parts
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WHERE active AND database = ?`
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var activeParts, totalRows uint64
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if err := db.ChConn.QueryRow(ctx, partsSQL, database).Scan(&activeParts, &totalRows); err != nil {
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return nil, fmt.Errorf("query system.parts: %w", err)
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}
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stats.ActiveParts = safeInt64Count(activeParts)
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stats.TotalRows = safeInt64Count(totalRows)
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mutationsSQL := `
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SELECT count()
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FROM system.mutations
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WHERE is_done = 0 AND database = ?`
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if err := db.ChConn.QueryRow(ctx, mutationsSQL, database).Scan(&stats.PendingMutations); err != nil {
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return nil, fmt.Errorf("query system.mutations: %w", err)
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}
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asyncSQL := `
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SELECT
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count() AS queue_entries,
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ifNull(sum(bytes), 0) AS queue_bytes
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FROM system.asynchronous_inserts
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WHERE database = ?`
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var queueEntries, queueBytes uint64
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if err := db.ChConn.QueryRow(ctx, asyncSQL, database).Scan(&queueEntries, &queueBytes); err != nil {
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// Older ClickHouse versions may not expose asynchronous_inserts; treat as optional.
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stats.AsyncInsertQueue = 0
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stats.AsyncInsertBytes = 0
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} else {
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stats.AsyncInsertQueue = safeInt64Count(queueEntries)
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stats.AsyncInsertBytes = safeInt64Count(queueBytes)
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}
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return stats, nil
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}
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