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Improving Acrolinx score
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includes/azure-monitor-limits-log-queries.md

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| Query language | Azure Monitor uses the same [Kusto query language](/azure/kusto/query/) as Azure Data Explorer. See [Azure Monitor log query language differences](/azure/data-explorer/kusto/query/) for KQL language elements not supported in Azure Monitor. |
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| Azure regions | Log queries can experience excessive overhead when data spans Log Analytics workspaces in multiple Azure regions. See [Query limits](../articles/azure-monitor/logs/scope.md#query-scope-limits) for details. |
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| Cross resource queries | Maximum number of Application Insights resources and Log Analytics workspaces in a single query limited to 100.<br>Cross-resource query is not supported in View Designer.<br>Cross-resource query in log alerts is supported in the new scheduledQueryRules API.<br>See [Cross-resource query limits](../articles/azure-monitor/logs/cross-workspace-query.md#cross-resource-query-limits) for details. |
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| Cross resource queries | Maximum number of Application Insights resources and Log Analytics workspaces in a single query limited to 100.<br>Cross-resource query isn't supported in View Designer.<br>Cross-resource query in log alerts is supported in the new scheduledQueryRules API.<br>See [Cross-resource query limits](../articles/azure-monitor/logs/cross-workspace-query.md#cross-resource-query-limits) for details. |
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| Log Analytics dashboard queries | Maximum number of records returned in a single Log Analytics dashboard query is 2000. |
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### User query throttling
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Azure Monitor has several throttling limits to protect against users sending an excessive number of queries. Such behavior can potentially overload the system backend resources and jeopardize service responsiveness. The following limits are designed to protect customers from interruptions and ensure consistent service level. The user throttling and limits are designed to impact only extreme usage scenario and should not be relevant for typical usage.
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Azure Monitor has several throttling limits to protect against users sending an excessive number of queries. Such behavior can potentially overload the system backend resources and jeopardize service responsiveness. The following limits are designed to protect customers from interruptions and ensure consistent service level. The user throttling and limits are designed to impact only extreme usage scenario and shouldn't be relevant for typical usage.
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| Measure | Limit per user | Description |
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| Concurrent queries | 5 | A user can run up to 5 concurrent queries, any additional query will be added to a queue. When one of the running queries finishes, the first query in the queue is pulled from the queue and starts running. Note: Alerts queries are not part of this limit.
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| Concurrent queries | 5 | A user can run up to five concurrent queries, any additional query will be added to a queue. When one of the running queries finishes, the first query in the queue is pulled from the queue and starts running. Note: Alerts queries aren't part of this limit.
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| Time in concurrency queue | 3 minutes | If a query sits in the queue for more than 3 minutes without being started, it will be terminated with an HTTP error response with code 429. |
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| Total queries in concurrency queue | 200 | Once the number of queries in the queue reach 200, the next query will be rejected with an HTTP error code 429. This number is in addition to the five queries that can be running simultaneously. |
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| Query rate | 200 queries per 30 seconds | Overall rate of queries that can be submitted by a single user to all workspaces. This limit applies to programmatic queries or queries initiated by visualization parts such as Azure dashboards and the Log Analytics workspace summary (deprecated) page. |

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