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DBCC SHRINKFILE on the distribution database

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DBCC SHRINKFILE on the distribution database

Is it possible to shrink an .MDF file on a drive with low free space?Shrinking the log file does not reduce sizeStrange behaviour DBCC ShrinkfileShrink the database only up to its initial size which is set after creating databaseCannot drop distribution database in SQL Server 2012How to shrink the .ldf(log) file of the particular live production database?Need assistance shrinking MDF FileWhy did DBCC SHRINKFILE never complete but shrink successfully after cancellation?DBCC ShrinkFile not workingWhat is DBCC SHRINKFILE actually doing?

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4

I have an .mdf file from distribution database which is growing.
I know the advantages and disadvantages of shrinking database/files.
Is it okay to shrink the .mdf file to some a smaller size.
Is there any data loss during this time and does this affect the replication.?

sql-server replication transactional-replication shrink

share|improve this question

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  There would not be any data loss.
  
  – Shanky
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Shanky : This is the distribution database i am talking about and does this affect transactional replication i have in place?
  
  – user9516827
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Shrinking may slow things but would not cause any loss. Do it when load is relatively very less
  
  – Shanky
  8 hours ago
  

  
  
  
  

add a comment | 

4

I have an .mdf file from distribution database which is growing.
I know the advantages and disadvantages of shrinking database/files.
Is it okay to shrink the .mdf file to some a smaller size.
Is there any data loss during this time and does this affect the replication.?

sql-server replication transactional-replication shrink

share|improve this question

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  There would not be any data loss.
  
  – Shanky
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Shanky : This is the distribution database i am talking about and does this affect transactional replication i have in place?
  
  – user9516827
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Shrinking may slow things but would not cause any loss. Do it when load is relatively very less
  
  – Shanky
  8 hours ago
  

  
  
  
  

add a comment | 

I have an .mdf file from distribution database which is growing.
I know the advantages and disadvantages of shrinking database/files.
Is it okay to shrink the .mdf file to some a smaller size.
Is there any data loss during this time and does this affect the replication.?

sql-server replication transactional-replication shrink

share|improve this question

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

share|improve this question

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

share|improve this question

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

edited 7 hours ago

Ramakant Dadhichi

1,117320

edited 7 hours ago

Ramakant Dadhichi

1,117320

asked 8 hours ago

user9516827user9516827

4581211

asked 8 hours ago

user9516827user9516827

4581211

2 Answers
2

active

oldest

votes

2

You need to check WHY the distribution database is growing rather than trying to shrink. If there is no available free space inside the file then you will not be able to shrink it anyway.

Check for the retention period and any other reasons why the distibution database would be growing e.g. Replication is erroring out.Below blog would give some areas you can look into :

Distribution database growth

Answering your question exactly : Yes you can shrink the file ,given it has free space available.

share|improve this answer

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I have error in replication monitor in one of publisher/subscriber.The issue is on Distributor to subscriber.So i am trying to figure it out.Meanwhile can i turn off the Distribution agent so that the MSRepl_Commands don't get filled.?
  
  – user9516827
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you Stop Distribution agent, the log reader agent will still keep pushing data to for Distribution. You should stop the replication all together and check out for the actual issue. Once found,fix and re-enable.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I understand what you are saying.I checked and MSRepl_Commands have 422 millions records.If i run the sp EXEC dbo.sp_MSdistribution_cleanup @min_distretention = x, @max_distretention = y and if it removes the commands from the MsRepl_Commands table,then i would loose the changes that needs to be applied to subsciber since i have error in replication.Am i right?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sp_MSdistribution_cleanup is more of a retention thing. So it deletes things which have been replicated (distributed) to subscriber.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  One final question: If i disable the replication and enable it after a day ,do i loose all those transactions in between.?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  

add a comment | 

2

It is ok to shink the datafile, there WON'T be any data loss.

The "issues" when shrinking could be performance, during the rellocation of data pages. Also if you know that your DF will grow again to the same size, shrink is not recommended. If it was because a one time only operation, or other stuff where the DF won't grow at the same big size again, it is ok to perform your shrink operation.

share|improve this answer

answered 8 hours ago

dbamexdbamex

1416

add a comment | 

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2

You need to check WHY the distribution database is growing rather than trying to shrink. If there is no available free space inside the file then you will not be able to shrink it anyway.

Check for the retention period and any other reasons why the distibution database would be growing e.g. Replication is erroring out.Below blog would give some areas you can look into :

Distribution database growth

Answering your question exactly : Yes you can shrink the file ,given it has free space available.

share|improve this answer

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I have error in replication monitor in one of publisher/subscriber.The issue is on Distributor to subscriber.So i am trying to figure it out.Meanwhile can i turn off the Distribution agent so that the MSRepl_Commands don't get filled.?
  
  – user9516827
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you Stop Distribution agent, the log reader agent will still keep pushing data to for Distribution. You should stop the replication all together and check out for the actual issue. Once found,fix and re-enable.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I understand what you are saying.I checked and MSRepl_Commands have 422 millions records.If i run the sp EXEC dbo.sp_MSdistribution_cleanup @min_distretention = x, @max_distretention = y and if it removes the commands from the MsRepl_Commands table,then i would loose the changes that needs to be applied to subsciber since i have error in replication.Am i right?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sp_MSdistribution_cleanup is more of a retention thing. So it deletes things which have been replicated (distributed) to subscriber.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  One final question: If i disable the replication and enable it after a day ,do i loose all those transactions in between.?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  

add a comment | 

2

You need to check WHY the distribution database is growing rather than trying to shrink. If there is no available free space inside the file then you will not be able to shrink it anyway.

Check for the retention period and any other reasons why the distibution database would be growing e.g. Replication is erroring out.Below blog would give some areas you can look into :

Distribution database growth

Answering your question exactly : Yes you can shrink the file ,given it has free space available.

share|improve this answer

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I have error in replication monitor in one of publisher/subscriber.The issue is on Distributor to subscriber.So i am trying to figure it out.Meanwhile can i turn off the Distribution agent so that the MSRepl_Commands don't get filled.?
  
  – user9516827
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If you Stop Distribution agent, the log reader agent will still keep pushing data to for Distribution. You should stop the replication all together and check out for the actual issue. Once found,fix and re-enable.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I understand what you are saying.I checked and MSRepl_Commands have 422 millions records.If i run the sp EXEC dbo.sp_MSdistribution_cleanup @min_distretention = x, @max_distretention = y and if it removes the commands from the MsRepl_Commands table,then i would loose the changes that needs to be applied to subsciber since i have error in replication.Am i right?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sp_MSdistribution_cleanup is more of a retention thing. So it deletes things which have been replicated (distributed) to subscriber.
  
  – Ramakant Dadhichi
  7 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  One final question: If i disable the replication and enable it after a day ,do i loose all those transactions in between.?
  
  – user9516827
  7 hours ago
  
  

  
  
  
  

add a comment | 

You need to check WHY the distribution database is growing rather than trying to shrink. If there is no available free space inside the file then you will not be able to shrink it anyway.

Check for the retention period and any other reasons why the distibution database would be growing e.g. Replication is erroring out.Below blog would give some areas you can look into :

Distribution database growth

Answering your question exactly : Yes you can shrink the file ,given it has free space available.

share|improve this answer

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

share|improve this answer

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

answered 8 hours ago

Ramakant DadhichiRamakant Dadhichi

1,117320

2

It is ok to shink the datafile, there WON'T be any data loss.

The "issues" when shrinking could be performance, during the rellocation of data pages. Also if you know that your DF will grow again to the same size, shrink is not recommended. If it was because a one time only operation, or other stuff where the DF won't grow at the same big size again, it is ok to perform your shrink operation.

share|improve this answer

answered 8 hours ago

dbamexdbamex

1416

add a comment | 

2

It is ok to shink the datafile, there WON'T be any data loss.

The "issues" when shrinking could be performance, during the rellocation of data pages. Also if you know that your DF will grow again to the same size, shrink is not recommended. If it was because a one time only operation, or other stuff where the DF won't grow at the same big size again, it is ok to perform your shrink operation.

share|improve this answer

answered 8 hours ago

dbamexdbamex

1416

add a comment | 

It is ok to shink the datafile, there WON'T be any data loss.

The "issues" when shrinking could be performance, during the rellocation of data pages. Also if you know that your DF will grow again to the same size, shrink is not recommended. If it was because a one time only operation, or other stuff where the DF won't grow at the same big size again, it is ok to perform your shrink operation.

share|improve this answer

answered 8 hours ago

dbamexdbamex

1416

share|improve this answer

answered 8 hours ago

dbamexdbamex

1416

answered 8 hours ago

dbamexdbamex

1416

answered 8 hours ago

dbamexdbamex

1416