{"id":78943,"date":"2026-11-10T19:45:04","date_gmt":"2026-11-10T19:45:04","guid":{"rendered":"http:\/\/bangla.sitestree.com\/?p=78943"},"modified":"2026-11-10T19:55:55","modified_gmt":"2026-11-10T19:55:55","slug":"rewritten-sql-server-69262","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=78943","title":{"rendered":"SQL Server Dynamic Management Views: Diagnosing Performance Problems"},"content":{"rendered":"<p>Dynamic management views and functions expose information about SQL Server execution, memory, files, indexes, and sessions. They are powerful diagnostic tools, but the meaning of their counters must be understood.<\/p>\n<h2>What DMVs provide<\/h2>\n<p>Views such as sys.dm_exec_requests show current activity; sys.dm_os_wait_stats accumulates wait categories; sys.dm_db_index_usage_stats summarizes index usage; and sys.dm_io_virtual_file_stats provides file-level I\/O counters. Permissions and availability vary with SQL Server version.<\/p>\n<h2>Example: active requests<\/h2>\n<pre><code>SELECT session_id, status, wait_type, cpu_time,\n       total_elapsed_time, logical_reads\nFROM sys.dm_exec_requests\nWHERE session_id &lt;&gt; @@SPID;<\/code><\/pre>\n<h2>Interpreting results<\/h2>\n<p>DMV counters often reset when the SQL Server service restarts or when relevant state changes. A large accumulated number is not necessarily an active problem. Compare baseline samples and correlate with Query Store or Extended Events.<\/p>\n<h2>Historical monitoring<\/h2>\n<p>For recurring incidents, store measurements at regular intervals and compare them with incident times. Protect monitoring data; queries and metadata can contain operational details that should not be public.<\/p>\n<hr\/>\n<p><strong>AI disclosure and reuse:<\/strong> This AI-generated article is rewritten from <a href=\"https:\/\/bangla.sitestree.com\/?p=69262\">an existing Open Education post (ID 69262)<\/a>. Additional explanations, code examples, and version notes may have been added. You may reuse the newly generated article text with or without attribution. Third-party trademarks and linked works retain their own rights. <strong>AI can make mistakes.<\/strong> Check examples, permissions, supported SQL Server versions, and documentation before use in any live system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dynamic management views and functions expose information about SQL Server execution, memory, files, indexes, and sessions. They are powerful diagnostic tools, but the meaning of their counters must be understood.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[20,182],"tags":[466],"class_list":["post-78943","post","type-post","status-publish","format-standard","hentry","category-information-technology","category---blog","tag-sql-server","item-wrap"],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":78983,"url":"http:\/\/bangla.sitestree.com\/?p=78983","url_meta":{"origin":78943,"position":0},"title":"Windows Performance and Resource Monitor for SQL Server: A Guided Investigation","author":"Sayed","date":"November 10, 2026","format":false,"excerpt":"The Windows monitoring tools in older SQL Server tutorials remain useful when they are combined with modern database diagnostics. They help reveal whether delays correlate with CPU, memory, storage, or networking.","rel":"","context":"In &quot;Information Technology&quot;","block_context":{"text":"Information Technology","link":"http:\/\/bangla.sitestree.com\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78925,"url":"http:\/\/bangla.sitestree.com\/?p=78925","url_meta":{"origin":78943,"position":1},"title":"Monitoring SQL Server with Windows Performance Monitor and Resource Monitor","author":"Sayed","date":"November 10, 2026","format":false,"excerpt":"SQL Server performance problems may originate in CPU pressure, memory constraints, disk latency, network delays, inefficient queries, or blocking. Windows monitoring tools help separate symptoms from their causes.","rel":"","context":"In &quot;Information Technology&quot;","block_context":{"text":"Information Technology","link":"http:\/\/bangla.sitestree.com\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78972,"url":"http:\/\/bangla.sitestree.com\/?p=78972","url_meta":{"origin":78943,"position":2},"title":"SQL Server and Windows Performance Monitoring: From Counters to Diagnosis","author":"Sayed","date":"November 10, 2026","format":false,"excerpt":"Windows Performance Monitor and Resource Monitor supply metrics that help explain SQL Server slowdowns, but each metric must be interpreted alongside actual database activity.","rel":"","context":"In &quot;Information Technology&quot;","block_context":{"text":"Information Technology","link":"http:\/\/bangla.sitestree.com\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":22515,"url":"http:\/\/bangla.sitestree.com\/?p=22515","url_meta":{"origin":78943,"position":3},"title":"SQL Server performance tuning using Windows Performance Monitor #Root #By Sayed Ahmed #MS SQL Server #SQL Server Reporting","author":"Author-Check- Article-or-Video","date":"March 15, 2021","format":false,"excerpt":"Microsoft SQL Server's performance can be monitored using the system performance and resource monitoring tool as comes with Windows Operating Systems. With that information, you can tune for optimum performance. I found the following resource to be very useful SQL Server performance tuning using Windows Performance Monitor: http:\/\/www.sqlshack.com\/sql-server-performance-tuning-using-windows-performance-monitor\/ You can\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69264,"url":"http:\/\/bangla.sitestree.com\/?p=69264","url_meta":{"origin":78943,"position":4},"title":"SQL Server Database System Tuning #38","author":"Author-Check- Article-or-Video","date":"August 16, 2021","format":false,"excerpt":"Database tuning approach Proactive approach Reactive approachBest Approach: Use a mix of both.Be aware (collect information) of the followings that may have significant impact on the performance. Hardware: Server, Available memory, number of processors, disk subsystems. Network Infrastructure: Network Cards, Switches, and the rest of your LAN and WAN. Operating\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":22513,"url":"http:\/\/bangla.sitestree.com\/?p=22513","url_meta":{"origin":78943,"position":5},"title":"SQL Server: Basics of Dynamic Management Views and DBCC Commands #Root #By Sayed Ahmed #MS SQL Server #SQL Server Reporting","author":"Author-Check- Article-or-Video","date":"March 15, 2021","format":false,"excerpt":"Inspired By: Tuning Queries: SQl Server - http:\/\/salearningschool.com\/displayArticle.php?table=Articles&articleID=1156&title=Tuning%20Queries:%20SQl%20Server What are these? Dynamic Management Views, and DBCC Commands Dynamic Management Views: \"Dynamic management views and functions return server state information that can be used to monitor the health of a server instance, diagnose problems, and tune performance.\" From: http:\/\/msdn.microsoft.com\/en-us\/library\/ms188754.aspx DBCC Statements:\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78943"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78943\/revisions"}],"predecessor-version":[{"id":79005,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78943\/revisions\/79005"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78943"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}