Sep 12, 2014 at 8:41. In sys.dm_exec_requests, there are a few very useful columns, namely, percent_complete and estimated_completion_time. According to Microsoft, percent_complete returns a useful value for the commands listed below. of the seeding process. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. A disk queue length higher than low single digits means your I/O subsystem in the bottleneck. If I allow permissions to an application using UAC in Windows, can it hack my personal files or data? If I remember correctly, the estimated completion time in that table is represented in milliseconds. SELECT percent_complete, start_time, status, command, estimated_completion_time, cpu_time, total_elapsed_time FROM sys.dm_exec_requests And its result does not change from yesterday not for a half of percent. No user action is required. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. dateadd(ms, estimated_completion_time, getdate()) as estimated_completion_time, cpu_time FROM SYS.DM_EXEC_REQUESTS --Apply this Where Clause Filter if you need to check specific events such as . Solution Did you know that SQL Server's ERRORLOG actually calculates its own estimates to completion? recovery model and have a current full backup. Enable backup compression on the primary SQL Server instance. OverflowAI: Where Community & AI Come Together, Understanding how sys.dm_exec_requests represents queries being rolled back, Behind the scenes with the folks building OverflowAI (Ep. The Running status just means that the a SQL Server SOS (Worker) Thread which has been tasked to execute a query has all the resources to start executing. Why what sys.dm_exec_requests showed seemed odd to me. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. rev2023.7.27.43548. learn.microsoft.com/en-us/sql/t-sql/database-console-commands/, Behind the scenes with the folks building OverflowAI (Ep. When I ran this my session_id was 68, so you will need to use the session_id that is being used to run the DBCC command. in the AG. script only needs to include an additional argument. 3) There may be another process using the database that is causing the shrink to block waiting for the locks it needs to move pages around. The DMV sys.dm_tran_database_transactions exposes information that can be useful to track the progress of the undo stage of the recovery. Total time elapsed in milliseconds since the request arrived. The only thing I can think of is to use the percent_complete column of sys.dm_exec_requests. estimated_completion_time value in seconds. Is there any good script available to check the progress of Rebuild Index? Not nullable. I'm shrinking a database in SQL Server 2008 SP1 and one way i can tell the progress of the Shrink command is by executing sp_lock spid and for the most part I can see that it puts a lock on file 1 then when done it places a lock on file id 2, and so on and this way i can tell when it is working on the last file id and this is my indication that is is almost complete. How to handle repondents mistakes in skip questions? ID of the user who submitted the request. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Not nullable. 1 = ARITHABORT setting is ON for the request. So, now SQL Server would expose this worker thread to the Operating System. Tracking database recovery progress using information from DMV. In my case, the percent_complete was already at 94.xxxx and slowly moving so that made me happy. Current nesting level of code that is executing on the request. Otherwise, the access check for sys.dm_exec_requests won't pass for databases in the availability group, even if VIEW SERVER STATE permission is present. 400 MB. On the secondary SQL instance, an additional line of code is required to grant This script doesn't always gives the progress details. This is an informational message only. Phase 1 of 3. SELECT r.session_id, r.status, r.command, r.wait_type , r.percent_complete, r.estimated_completion_time FROM sys.dm_exec_requests r JOIN sys.dm_exec_sessions s ON r.session_id = s.session_id WHERE r.session_id <> @@SPID AND s.is_user_process = 0 AND r.command like 'VDI%' Number of reads performed by this request. The job has been suspended, Why are server authentication mode options are greyed out in Sql server 2005, IIS and SQL Server Performance Issues when not on same machine, Apache is getting SUSPENDED in MSSQL by another process when doing more than 5-6 queries via PHP PDO resulting in timeout. Since this one does not have an active request, we can check sys.dm_exec_sessions : SELECT session_id, open_transaction_count FROM sys.dm_exec_sessions WHERE open_transaction_count > 0; And we'll see that there is an open transaction. Can you have ChatGPT 4 "explain" how it generated an answer. All rights reserved. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Select percent_complete,estimated_completion_time from sys.dm_exec_requests. SELECT SESSION_ID, '[' + CAST(DATABASE_ID AS VARCHAR(10)) + '] ' + DB_NAME(DATABASE_ID) AS [DATABASE]. Hi, we can rewrite the command for Checking Backup and Restore estimated time. This ran for close to 24 hours and got partway through modifying Col4, at which point I killed it. How to check SQL Compact Auto Shrink setting? However my question is on the session that is doing the xp_cmdshell. Phase 2 of 3. The following example queries sys.dm_exec_requests to find information about blocked requests. The script below is generated using the New Availability Group Wizard and then I want estimated_completion_time value in seconds. and AlwaysOn_health XE are created prior to starting the test. Going from 94 to the end took about 5 hours, by the way. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Otherwise, it's 0. get added to the secondary. By reviewing the "percent_complete" column above you can see my backup is 43.9362 percent complete, and then by using the "estimated_completion_time" column you can tell my backup will complete around 10:12:13.460. 2010-12-29 12:03:08.95 spid25s Recovery of database 'testdb' (11) is 1% complete (approximately 1887 seconds remain). Why can't I rebuild some SQL Server indices? SQL Endpoint in Microsoft Fabric is it in milli sec? Log entries can sometimes be overwhelming and overly-detailed, so we'll instead use this simple SQL query to produce easy-to-read and surprisingly accurate estimation results. Continuous Variant of the Chinese Remainder Theorem. 4) You may have snapshot isolation enabled, and shrink cannot move pages with version store links until the transactions requiring those older versions have completed. Phase 2 of 3. ID of the database the request is executing against. Guess yourself, but I am sure that the dialog itself is the one that causes that. Applies to: All nonclustered index records contain a backlink to the data record they are indexing - in the case of a heap, this is a physical link to a record number on a specific data page. How can i check what exactly suspends shrinking? Indeed, the status of the sqlcmd session is suspended and the waittype is waitfor. Yesterday i've launched a script to check the status of shrinking: And its result does not change from yesterday not for a half of percent. Also in the case where there are several transactions to undo, you will be able to see their progress using the database_transaction_next_undo_lsn. Otherwise, it's 0. Thanks for contributing an answer to Database Administrators Stack Exchange! How to display Latin Modern Math font correctly in Mathematica? Find answers to column estimated_completion_time in sys.dm_exec_requests from the expert community at Experts Exchange Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. According to Books Online, the percentage of work completed (percent_complete column) value is. Nullable. Find centralized, trusted content and collaborate around the technologies you use most. SQL Server sys.dm_exec_requests (Transact-SQL) Article 06/19/2023 26 contributors Feedback In this article Remarks Permissions Examples See also Next steps Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL Endpoint in Microsoft Fabric Warehouse in Microsoft Fabric The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. The following example queries sys.dm_exec_requests to find the interesting query and copy its sql_handle from the output. Can be one of the following values: Identifies the current type of command that is being processed. Since, you are running a xp command, it would run in pre-emptive mode. The AG endpoint Thanks for contributing an answer to Stack Overflow! Find out why thousands trust the EE community with their toughest problems. How to find the shortest path visiting all nodes in a connected graph as MILP? To learn more, see our tips on writing great answers. Nullable. It is showing as zero. This forum has migrated to Microsoft Q&A. For more information, see the Thread and Task Architecture Guide. where session_id > 50, The SQL Server scheduler is similar to the Windows Scheduler. Not nullable. If the user has VIEW SERVER STATE permission on the server, the user will see all executing sessions on the instance of SQL Server; otherwise, the user will see only the current session. For example, does a status of 'running' with a command of 'KILLED/ROLLBACK' indicate that the KILL command is still being processed, whereas a status of 'rollback' indicates that the query has progressed to performing the actual rollback? Not nullable. View 3 Replies Similar Messages: How Can I Estimate Time, Which Query Needs To Complete Work? Hi ElisabethThanks for your reply.If you look at the sample carefully, you will notice that there are two sessions: one that is running the xp_cmdshell (e.g. WHERE COMMAND LIKE '%BACKUP%' OR COMMAND LIKE '%RESTORE%' OR COMMAND LIKE '%INDEX%' OR COMMAND LIKE '%DBCC%'. Not nullable. Would fixed-wing aircraft still exist if helicopters had been invented (and flown) before them? The similar conditions to add databases into an AG are still backup and In 2000 this was done very efficiently by the Storage Engine itself. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Unique in the context of the session. This is confusing given that if I look at a killed query on another 2008 R2 server, sys.dm_exec_requests shows the session in a status of 'rollback', a command of 'AWAITING COMMAND', and a number reported for percent_complete. HTH. If you do not want this behavior, the script below will Now we need to perform refresh of these databses from another server. Then I right clicked on the database, select "tasks" and then "shrink" and on "ok" the dialog. DEADLOCK_PRIORITY setting for the request. So, it means, the shrinking process is totally freezed. Again if its given in DMV why raise a change and move new code on prod agreeing to . This is an informational message only. These sets of new DMVs include one particular DMV that is sys.dm_exec_requests, which we can use to return information about the requests that are currently executing on SQL Server instance. Not nullable. wait_resource, wait_time, wait_type, blocking_session_id, WHERE command = 'DB STARTUP' -- may need to change this if troubleshooting recovery as part of attach database or restore, INSERT INTO tbl_dm_tran_database_transactions. Not nullable. You can read the amazing script here: Scripts to Overview HADR / AlwaysOn Local Replica Server. In this I want Not nullable. In general though, you don't want to run shrink. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The amazing part here is that it has a percent_complete column. I am trying to find a way to interpret the value of the column status in dm_exec_sessions when it shows "running". SQL Server I manage a server running SQL Server 2008 R2 SP2 that has a fairly large table: Admittedly, table design and change control in my current working environment are not good. Phase 3 of 3. executed in a SQLCMD mode to allow continuation of the backup and restore operation One way ofunderstanding therunning status just means that the SQL Scheduler (UMS in SQL 2000/SOS in SQL 2005 and above) has currently exposed the thread to the Windows Operating System and now the SQL thread will be in that status till it returns back to the SQL Scheduler. (with no additional restrictions). Eliminative materialism eliminates itself - a familiar idea? the FULL We'll start with the following query. What is telling us about Paul in Acts 9:1? 594), Stack Overflow at WeAreDevelopers World Congress in Berlin, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Preview of Search and Question-Asking Powered by GenAI, "Pure Copyleft" Software Licenses? FYI - SQL Query for Checking Status Am I betraying my professors if I leave a research group because of change of interest? For What Kinds Of Problems is Quantile Regression Useful? Improve this answer. The query was not blocked or waiting. Otherwise, it's 0. Not nullable. also check out this link ,specifically troubleshooting section. Shrinking is blocked by another one prosees, with ID 70: Here is info from sp_who2 for this process: And here is info for this these two processes from Activiry Monitor: It says SHRINKDATABASE is wayting for some page (??
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