Is there a SQL script that I can use to determine the progress of a SQL Server backup or restore process?

StackOverflow https://stackoverflow.com/questions/152447

  •  02-07-2019
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Question

When I backup or restore a database using MS SQL Server Management Studio, I get a visual indication of how far the process has progressed, and thus how much longer I still need to wait for it to finish. If I kick off the backup or restore with a script, is there a way to monitor the progress, or do I just sit back and wait for it to finish (hoping that nothing has gone wrong?)

Edited: My need is specifically to be able to monitor the backup or restore progress completely separate from the session where the backup or restore was initiated.

Was it helpful?

Solution

Yes. If you have installed sp_who2k5 into your master database, you can simply run:

sp_who2k5 1,1

The resultset will include all the active transactions. The currently running backup(s) will contain the string "BACKUP" in the requestCommand field. The aptly named percentComplete field will give you the progress of the backup.

Note: sp_who2k5 should be a part of everyone's toolkit, it does a lot more than just this.

OTHER TIPS

I found this sample script here that seems to be working pretty well:

SELECT r.session_id,r.command,CONVERT(NUMERIC(6,2),r.percent_complete)
AS [Percent Complete],CONVERT(VARCHAR(20),DATEADD(ms,r.estimated_completion_time,GetDate()),20) AS [ETA Completion Time],
CONVERT(NUMERIC(10,2),r.total_elapsed_time/1000.0/60.0) AS [Elapsed Min],
CONVERT(NUMERIC(10,2),r.estimated_completion_time/1000.0/60.0) AS [ETA Min],
CONVERT(NUMERIC(10,2),r.estimated_completion_time/1000.0/60.0/60.0) AS [ETA Hours],
CONVERT(VARCHAR(1000),(SELECT SUBSTRING(text,r.statement_start_offset/2,
CASE WHEN r.statement_end_offset = -1 THEN 1000 ELSE (r.statement_end_offset-r.statement_start_offset)/2 END)
FROM sys.dm_exec_sql_text(sql_handle))) AS [SQL]
FROM sys.dm_exec_requests r WHERE command IN ('RESTORE DATABASE','BACKUP DATABASE')

If you know the sessionID then you can use the following:

SELECT * FROM sys.dm_exec_requests WHERE session_id = 62

Or if you want to narrow it down:

SELECT command, percent_complete, start_time FROM sys.dm_exec_requests WHERE session_id = 62

Here's a simple script that generally does the trick for me:

SELECT command, percent_complete,total_elapsed_time, estimated_completion_time, start_time
  FROM sys.dm_exec_requests
  WHERE command IN ('RESTORE DATABASE','BACKUP DATABASE')

Use STATS in the BACKUP command if it is just a script.

Inside code it is a bit more complicated. In ODBC for example, you set SQL_ATTR_ASYNC_ENABLE and then look for SQL_STILL_EXECUTING return code, and do some repeated calls of SQLExecDirect until you get a SQL_SUCCESS (or eqiv).

SELECT session_id as SPID, command, a.text AS Query, start_time, percent_complete, dateadd(second,estimated_completion_time/1000, getdate()) as estimated_completion_time 
FROM sys.dm_exec_requests r CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) a 
WHERE r.command in ('BACKUP DATABASE','RESTORE DATABASE')

Script to check the Backup and Restore progress in SQL Server:

Many times it happens that your backup (or restore) activity has been started by another Database Administrator or by a job, and you cannot use the GUI anything else to check the progress of that Backup / Restore.

By combining multiple commands, I have generated below script which can give us a summary of current backups and restores which are happening on the server.

select 
r.session_id, 
r.blocking_session_id, 
db_name(database_id) as [DatabaseName],
r.command, 
[SQL_QUERY_TEXT] = Substring(Query.TEXT, (r.statement_start_offset / 2) + 1, (
            (
                CASE r.statement_end_offset
                    WHEN - 1
                        THEN Datalength(Query.TEXT)
                    ELSE r.statement_end_offset
                    END - r.statement_start_offset
                ) / 2
            ) + 1),
                [SP_Name] =Coalesce(Quotename(Db_name(Query.dbid)) + N'.' + Quotename(Object_schema_name(Query.objectid, Query.dbid)) + N'.' + 
     Quotename(Object_name(Query.objectid, Query.dbid)), ''),
r.percent_complete,
start_time,
CONVERT(VARCHAR(20), DATEADD(ms, [estimated_completion_time],
GETDATE()), 20) AS [ETA_COMPLETION_TIME],
CONVERT(NUMERIC(6, 2), r.[total_elapsed_time] / 1000.0 / 60.0) AS [Elapsed_MIN],
CONVERT(NUMERIC(6, 2), r.[estimated_completion_time] / 1000.0 / 60.0) AS [Remaning_ETA_MIN],
CONVERT(NUMERIC(6, 2), r.[estimated_completion_time] / 1000.0 / 60.0/ 60.0) AS [ETA_Hours],
wait_type,
wait_time/1000 as Wait_Time_Sec, 
wait_resource
from sys.dm_exec_requests r 
cross apply sys.fn_get_sql(r.sql_handle) as Query where r.session_id>50 and command IN ('RESTORE DATABASE','BACKUP DATABASE', 'RESTORE LOG', 'BACKUP LOG')

I think the best way to find out how your restore or backup progress is by the following query: 

USE[master]
GO
SELECT session_id AS SPID, command, a.text AS Query, start_time, percent_complete, dateadd(second,estimated_completion_time/1000, getdate()) as estimated_completion_time 
    FROM sys.dm_exec_requests r CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) a 
        WHERE r.command in ('BACKUP DATABASE','RESTORE DATABASE')
GO

The query above, identify the session by itself and perform a percentage progress every time you press F5 or Execute button on SSMS!

The query was performed by the guy who write this post

Try wih :

SELECT * FROM sys.dm_exec_requests where command like '%BACKUP%'

SELECT command, percent_complete, start_time FROM sys.dm_exec_requests where command like '%BACKUP%'

SELECT command, percent_complete,total_elapsed_time, estimated_completion_time, start_time
  FROM sys.dm_exec_requests
  WHERE command IN ('RESTORE DATABASE','BACKUP DATABASE')

To monitor the backup or restore progress completely separate from the session where the backup or restore was initiated. No third party tools required. Tested on Microsoft SQL Server 2012.

SELECT percent_complete, *
FROM sys.dm_exec_requests
WHERE command In ( 'RESTORE DATABASE', 'BACKUP DATABASE' )

I am using sp_whoisactive, very informative an basically industry standard. it returns percent complete as well.

Add STATS=10 or STATS=1 in backup command.

BACKUP DATABASE [xxxxxx] TO  DISK = N'E:\\Bachup_DB.bak' WITH NOFORMAT, NOINIT,  
NAME = N'xxxx-Complète Base de données Sauvegarde', SKIP, NOREWIND, NOUNLOAD, COMPRESSION,  STATS = 10
GO.

SELECT session_id as SPID, command, start_time, percent_complete, dateadd(second,estimated_completion_time/1000, getdate()) as estimated_completion_time, a.text AS Query FROM sys.dm_exec_requests r CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) a WHERE r.command in ('BACKUP DATABASE', 'BACKUP LOG', 'RESTORE DATABASE', 'RESTORE LOG')

simply run bkp_status on master db you will get backup status

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