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Copy file name to clipboardExpand all lines: support/azure/azure-monitor/log-analytics/configure-and-manage-log-analytics-tables/understanding-and-mitigating-high-data-consumption.md
This article addresses the issue of high data consumption in Log Analytics workspaces, specifically focusing on tables like `AzureDiagnostics`. It provides insights into understanding the costs associated with data usage and offers steps to optimize and reduce these costs.
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## Step-by-Step Instructions to Resolve High Data Usage
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## Common Issues and Solutions
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### 1. Identify High Data Tables
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-**Data Retention**: Ensure that data retention settings are configured appropriately to avoid unnecessary storage costs.
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-**Data Filtering**: Implement data filtering to only collect necessary data, reducing the volume of data ingested.
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- Use the `AzureDiagnostics` table to determine which Reference are sending large amounts of data.
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- Run the following query in your Log Analytics workspace:
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### Step-by-Step Instructions to Resolve High Data Usage
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```plaintext
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AzureDiagnostics | distinct _ResourceId
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```
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1.**Identify High Data Tables:**
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- This will help you identify the Reference contributing to high data usage.
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- Use the `AzureDiagnostics` table to determine which Reference are sending large amounts of data.
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- Run the following query in your Log Analytics workspace:
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### 2. Review Diagnostic Settings
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```plaintext
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AzureDiagnostics | distinct _ResourceId
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```
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- Navigate to the diagnostic settings of the identified Reference.
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- Remove unnecessary diagnostic settings if the data is not needed. This will stop the data from being sent to the AzureDiagnostics table.
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- This will help you identify the Reference contributing to high data usage.
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### 3. Understand Cost Implications
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2. **Review Diagnostic Settings:**
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Review the following Reference to understand the costs associated with your Log Analytics workspace:
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- Navigate to the diagnostic settings of the identified Reference.
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- Remove unnecessary diagnostic settings if the data is not needed. This will stop the data from being sent to the AzureDiagnostics table.
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