---
title: Monitor Load Control
description: Monitoring load control shows the status, result, row counts and errors of each step of an execution.
---

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# Monitor Load Control

**Applies to**  
Platform: Microsoft SQL Server · Oracle

Monitoring load control shows the status, result, row counts and errors of each step of an execution. Use it while a load runs and afterwards to find failed steps. The procedures and views below read the execution tables of the native load control.

### Prerequisites

- At least one execution has run: [Execute Load Control](https://knowledge.bigenius-x.com/execute-load-control?hsLang=en).

### Check the current or last execution

1. Run `EXEC [LC].[Show_Execution] @ExecutionPlan = N'DEV_Datavault.Mssql';`. It lists the steps of the active execution of the plan, or of the last one when none is active. Pass `@Execution_ID` to show another execution.
2. Read `ExecutionStatus` per step: `Waiting` (not started), `Running` or `Finished`.
3. Read `ExecutionResult` per finished step: `Success`, `Failure`, `Failure with abort` or `Disabled`. `ErrorDescription` holds the error or the reason for the disabled step.

Each row also shows the row counts `RowCountInserted`, `RowCountUpdated`, `RowCountDeleted`, `RowCountWarning`, `RowCountError`, the loader message, the steps it depends on, start, end and duration, and the session in `ExecutionProcessSPID`.

### Follow a running execution

Run `EXEC [LC].[Show_ExecutionMonitor] @ExecutionPlan = N'DEV_Datavault.Mssql';` while the load runs. It returns one row per layer and part, for example `Raw Vault` and `Satellite Loader`, with the number of steps that are waiting, running, finished, successful, failed and disabled. Like `Show_Execution`, it shows the active execution or the last one, and accepts `@Execution_ID`. Run it again to see the counts move from `Waiting` to `Finished`.

### Check all executions

- `Execution_All`: one row per step of every execution, with the same columns as `Show_Execution`.
- `ExecutionMonitor_All`: per execution, layer and part, the number of steps waiting, running, finished, successful, failed and disabled, with durations.
- `ExecutionPlan_All`: the load objects of each plan.

### Example

List the failed and disabled steps of the last execution:

```
SELECT [LoadObject], [ExecutionResult], [ErrorDescription]
FROM [LC].[Execution_Step]
WHERE [FK_Execution_ID] = (SELECT MAX([ID]) FROM [LC].[Execution])
  AND [ExecutionResult] <> N'Success';
```

For the failed load in [Execute Load Control](https://knowledge.bigenius-x.com/execute-load-control?hsLang=en) the query returns 34 rows, for example:

```
LoadObject:       STG_ST_CUSTOMER_Loader
ExecutionResult:  Failure
ErrorDescription: ... Cannot find the object "STG_ST_CUSTOMER"

LoadObject:       RDV_HUB_load_customer_hub_Loader
ExecutionResult:  Disabled
ErrorDescription: Disabled due to error of method
                  st.STG_ST_CUSTOMER_Loader
```

### Check the result

An execution without errors has `ExecutionResult` `Success` in `Execution`, and all its steps have `Finished` and `Success`.

### Failure symptoms and recovery

#### Steps stay Waiting and the execution is not active

Cause: the execution was stopped, or it was aborted by a step with `AbortOnError`. Its result is `Aborted`.  
Fix: resume it as described in [Execute Load Control](https://knowledge.bigenius-x.com/execute-load-control?hsLang=en).

### Platform differences

On Oracle, query the view `V_LastLoad` for the steps of the last executions, or the tables `Execution` and `Execution_Step` directly. Column names use underscores, for example `Execution_Result` and `Load_Object`.

### Related articles

- Previous: [Execute Load Control](https://knowledge.bigenius-x.com/execute-load-control?hsLang=en)
- See also: [Understand Load Control](https://knowledge.bigenius-x.com/understand-load-control?hsLang=en), [Troubleshoot generation, deployment and load failures](https://knowledge.bigenius-x.com/troubleshoot-generation-deployment-and-load-failures?hsLang=en) 
    - Microsoft SQL Server: [Load data - Native Load Control](https://knowledge.bigenius-x.com/microsoft-sql-server-load-data-native-load-control?hsLang=en)
    - Oracle: [Load data - Native Load Control](https://knowledge.bigenius-x.com/oracle-load-data-native-load-control?hsLang=en)

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