Identify and Resolve Database Locking and Root Blockers

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Focus your tuning efforts on the queries that will reduce overall blocking time

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Identify the root blockers and the total wait caused

Image of the root blocker

Identify the root blockers and the total wait caused

DPA collects blocking data and the Blocking Tab provides visibility into the root blocker (the top of the tree) with aggregated wait time. This allows DBAs to see the top blocking data and its impact on response times. DPA reveals the top waiters, so the DBA can quickly drill down and find their blockers and optimize the queries that reduce blocking the most.

Article: Understanding SQL Server Locks and Blocks

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Article: Understanding SQL Server Locks and Blocks

Focus on the important queries to reduce blocking time

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Focus on the important queries to reduce blocking time

The Top Blocking Sessions Tab reveals post-lock activity that prevents blocked sessions from completing their transactions and releasing locks. This lets the DBA optimize the activity of the top blocker queries, decrease the time that locks are held, and reduce blocking wait time.
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See which objects are waiting as a result of blocking

See which objects are waiting as a result of blocking

It’s often not possible for a DBA to identify queries, programs, users, etc. that are waiting on blockers and slowing down transactions. DPA offers a remedy to this problem. DPA’s intuitive dashboard allows users to identify waiters and quickly drill down and find their blockers. All of this can be done from DPA’s dashboard in just a few clicks.

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Video: Locking and Blocking Resolution for Faster Performance with DPA

Identify the last query of an idle blocker

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Identify the last query of an idle blocker

There are times when blockers become idle. In other words, they are blocking without performing any specific function. DPA tracks these blocker sessions backward in time to discover the last known queries that were running within the transaction before it went idle. Armed with that info, the DBA can collaborate with the developer to fix the application code causing the idle blocking. DPA provides visibility into idle blockers along with the top blockers.
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Database Performance Analyzer

  • Easy drill in, context setting, and consistent navigation

  • See what’s being blocked AND what’s doing the blocking

  • The right data to optimize your database, indexes, and queries

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Blocking is complex and time-consuming to troubleshoot
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