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fix: Optimize project stat query

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This commit is contained in:
Jan Eitzinger
2026-03-13 06:06:38 +01:00
parent 8e86e8720d
commit 96fc44a649
2 changed files with 3 additions and 4 deletions
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5
internal/repository/migrations/sqlite3/12_stats-covering-index.up.sql
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@@ -2,9 +2,10 @@
-- Column order: cluster (equality), hpc_user (GROUP BY), start_time (range scan)
-- Includes aggregated columns to avoid main table lookups entirely.
DROP INDEX IF EXISTS jobs_cluster_starttime_user_stats;
CREATE INDEX IF NOT EXISTS jobs_cluster_user_starttime_stats
ON job (cluster, hpc_user, start_time, duration, job_state, num_nodes, num_hwthreads, num_acc);
CREATE INDEX IF NOT EXISTS jobs_cluster_project_starttime_stats
ON job (cluster, project, start_time, duration, job_state, num_nodes, num_hwthreads, num_acc);
PRAGMA optimize;

2
internal/repository/stats.go
View File

@@ -238,7 +238,6 @@ func (r *JobRepository) JobsStatsGrouped(
groupBy *model.Aggregate,
reqFields map[string]bool,
) ([]*model.JobsStatistics, error) {
start := time.Now()
col := groupBy2column[*groupBy]
query := r.buildStatsQuery(filter, col, config.Keys.ShortRunningJobsDuration, reqFields)
@@ -325,7 +324,6 @@ func (r *JobRepository) JobsStatsGrouped(
}
}
cclog.Debugf("Timer JobsStatsGrouped %s", time.Since(start))
return stats, nil
}