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Fix first-collection spike for query and procedure stats charts #491

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Merged
erikdarlingdata merged 1 commit into from
Mar 9, 2026
Merged

Fix first-collection spike for query and procedure stats charts #491

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12 changes: 6 additions & 6 deletions Lite/Services/RemoteCollectorService.ProcedureStats.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -278,12 +278,12 @@ ORDER BY s.total_elapsed_time DESC
/* Delta key: plan_handle to prevent cross-contamination
when multiple plans exist for the same object */
var deltaKey = planHandle ?? $"{dbName}.{schemaName}.{objectName}";
var deltaExec = _deltaCalculator.CalculateDelta(serverId, "proc_stats_exec", deltaKey, execCount);
var deltaWorker = _deltaCalculator.CalculateDelta(serverId, "proc_stats_worker", deltaKey, workerTime);
var deltaElapsed = _deltaCalculator.CalculateDelta(serverId, "proc_stats_elapsed", deltaKey, elapsedTime);
var deltaReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_reads", deltaKey, logicalReads);
var deltaWrites = _deltaCalculator.CalculateDelta(serverId, "proc_stats_writes", deltaKey, logicalWrites);
var deltaPhysReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_phys_reads", deltaKey, physicalReads);
var deltaExec = _deltaCalculator.CalculateDelta(serverId, "proc_stats_exec", deltaKey, execCount, baselineOnly: true);
var deltaWorker = _deltaCalculator.CalculateDelta(serverId, "proc_stats_worker", deltaKey, workerTime, baselineOnly: true);
var deltaElapsed = _deltaCalculator.CalculateDelta(serverId, "proc_stats_elapsed", deltaKey, elapsedTime, baselineOnly: true);
var deltaReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_reads", deltaKey, logicalReads, baselineOnly: true);
var deltaWrites = _deltaCalculator.CalculateDelta(serverId, "proc_stats_writes", deltaKey, logicalWrites, baselineOnly: true);
var deltaPhysReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_phys_reads", deltaKey, physicalReads, baselineOnly: true);

/* Appender column order must match DuckDB table definition exactly */
var row = appender.CreateRow();
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16 changes: 8 additions & 8 deletions Lite/Services/RemoteCollectorService.QueryStats.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -239,14 +239,14 @@ qs.total_elapsed_time DESC
/* Delta calculations keyed by plan_handle to prevent cross-contamination
when multiple plans exist for the same query_hash */
var deltaKey = planHandle ?? queryHash;
var deltaExecCount = _deltaCalculator.CalculateDelta(serverId, "query_stats_exec", deltaKey, executionCount);
var deltaWorkerTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_worker", deltaKey, totalWorkerTime);
var deltaElapsedTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_elapsed", deltaKey, totalElapsedTime);
var deltaLogicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_reads", deltaKey, totalLogicalReads);
var deltaLogicalWrites = _deltaCalculator.CalculateDelta(serverId, "query_stats_writes", deltaKey, totalLogicalWrites);
var deltaPhysicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_phys_reads", deltaKey, totalPhysicalReads);
var deltaRows = _deltaCalculator.CalculateDelta(serverId, "query_stats_rows", deltaKey, totalRows);
var deltaSpills = _deltaCalculator.CalculateDelta(serverId, "query_stats_spills", deltaKey, totalSpills);
var deltaExecCount = _deltaCalculator.CalculateDelta(serverId, "query_stats_exec", deltaKey, executionCount, baselineOnly: true);
var deltaWorkerTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_worker", deltaKey, totalWorkerTime, baselineOnly: true);
var deltaElapsedTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_elapsed", deltaKey, totalElapsedTime, baselineOnly: true);
var deltaLogicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_reads", deltaKey, totalLogicalReads, baselineOnly: true);
var deltaLogicalWrites = _deltaCalculator.CalculateDelta(serverId, "query_stats_writes", deltaKey, totalLogicalWrites, baselineOnly: true);
var deltaPhysicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_phys_reads", deltaKey, totalPhysicalReads, baselineOnly: true);
var deltaRows = _deltaCalculator.CalculateDelta(serverId, "query_stats_rows", deltaKey, totalRows, baselineOnly: true);
var deltaSpills = _deltaCalculator.CalculateDelta(serverId, "query_stats_spills", deltaKey, totalSpills, baselineOnly: true);

/* Appender column order must match DuckDB table definition exactly */
var row = appender.CreateRow();
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