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Copy file name to clipboardExpand all lines: articles/synapse-analytics/monitor-synapse-analytics-reference.md
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@@ -46,9 +46,9 @@ The following table lists the metrics available for the Microsoft.Synapse/worksp
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- Dedicated SQL pool measures performance in compute data warehouse units (DWUs). Rather than surfacing details of individual nodes such as memory per node or number of CPUs per node, metrics such as `MemoryUsedPercent` and `CPUPercent` show general usage trend over a period of time. These trends help administrators understand how a dedicated SQL pool instance is utilized. Changes in memory or CPU footprint could be a trigger for actions such as scale-up or scale-down of DWUs, or investigating queries that might require optimization.
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`DWUUsed` represents only high-level usage across the SQL pool and isn't a comprehensive indicator of utilization. To determine whether to scale up or down, consider all factors that DWU can impact, such as concurrency, memory, tempdb size, and adaptive cache capacity. [Run your workload at different DWU settings](sql-data-warehouse/sql-data-warehouse-manage-compute-overview.md#finding-the-right-size-of-data-warehouse-units) to determine what works best to meet your business objectives.
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-`DWUUsed` represents only high-level usage across the SQL pool and isn't a comprehensive indicator of utilization. To determine whether to scale up or down, consider all factors that DWU can impact, such as concurrency, memory, tempdb size, and adaptive cache capacity. [Run your workload at different DWU settings](sql-data-warehouse/sql-data-warehouse-manage-compute-overview.md#finding-the-right-size-of-data-warehouse-units) to determine what works best to meet your business objectives.
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-Memory percentage reflects utilization even if the data warehouse is idle, not active workload memory consumption. Track this metric along with tempdb size and Gen2 cache to decide whether you need to scale for more cache capacity to increase workload performance.
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-`MemoryUsedPercent` reflects utilization even if the data warehouse is idle, not active workload memory consumption. Track this metric along with tempdb size and Gen2 cache to decide whether you need to scale for more cache capacity to increase workload performance.
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- Failed and successful connections are reported for a particular data warehouse, not for the server itself.
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## Synapse Analytics monitoring options
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You can collect and analyze metrics and logs for Azure Synapse Analytics built-in and serverless SQL pools, dedicated SQL pools, Azure Spark pools, and Data Explorer pools (preview). You can monitor current and historical activities for SQL, Apache Spark, pipelines and triggers, and integration runtimes. There are several ways to monitor activities in your Synapse Analytics workspace.
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You can collect and analyze metrics and logs for Azure Synapse Analytics built-in and serverless SQL pools, dedicated SQL pools, Azure Spark pools, and Data Explorer pools (preview). You can monitor current and historical activities for SQL, Apache Spark, pipelines and triggers, and integration runtimes.
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There are several ways to monitor activities in your Synapse Analytics workspace.
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### Synapse Studio
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To programmatically monitor Synapse SQL via T-SQL, Synapse Analytics provides a set of Dynamic Management Views (DMVs). These views are useful to troubleshoot and identify performance bottlenecks with your workload. For more information, see [DMVs](sql/query-history-storage-analysis.md#dmvs) and [Monitor your Azure Synapse Analytics dedicated SQL pool workload using DMVs](sql-data-warehouse/sql-data-warehouse-manage-monitor.md). For the list of DMVs that apply to Synapse SQL, see [Dedicated SQL pool Dynamic Management Views (DMVs)](sql/reference-tsql-system-views.md#dedicated-sql-pool-dynamic-management-views-dmvs).
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Query Store is a set of internal stores and DMVs that provide insight on query plan choice and performance. Query Store simplifies performance troubleshooting by helping find performance differences caused by query plan changes. For more information, see [Query Store](sql/query-history-storage-analysis.md#query-store).
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Query Store is a set of internal stores and DMVs that provide insight on query plan choice and performance. Query Store simplifies performance troubleshooting by helping find performance differences caused by query plan changes. For more information about enabling and using Query Store on Synapse Analytics databases, see [Query Store](sql/query-history-storage-analysis.md#query-store).
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### Azure portal
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For lists of available platform metrics for Synapse Analytics, see [Synapse Analytics monitoring data reference](monitor-synapse-analytics-reference.md#metrics).
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In addition to Log Analytics, Synapse Analytics Apache Spark pools support Prometheus server metrics and Grafana dashboards. For more information, see [Monitor Apache Spark Applications metrics with Prometheus and Grafana](spark/use-prometheus-grafana-to-monitor-apache-spark-application-level-metrics.md) and [Collect Apache Spark applications metrics using Prometheus APIs](connect-monitor-azure-synapse-spark-application-level-metrics.md).
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In addition to Log Analytics, Synapse Analytics Apache Spark pools support Prometheus server metrics and Grafana dashboards. For more information, see [Monitor Apache Spark Applications metrics with Prometheus and Grafana](spark/use-prometheus-grafana-to-monitor-apache-spark-application-level-metrics.md) and [Collect Apache Spark applications metrics using Prometheus APIs](spark/connect-monitor-azure-synapse-spark-application-level-metrics.md).
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