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Software Question


Is it good idea to change Simple Recover Model into Bulk-Logged on ETL system?

11/06/2014 2397 views
We are having an ETL process which inserts lots of data into tables. This database is set to Simple Recovery Model and the transaction log is growing a lot. I was thinking that would it help to set this database into Bulk-Logged Recovery Model? We are taking full backups on daily basis. So is there some operations which are not logged in Bulk-Logged Recovery Model compared to Simple Recovery Model?
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Bulk Logged will not help you in this situation. Your transaction log is growing because you are performing large transactions. In simple mode, the log is truncated after a checkpoint.
Check these site: http://www.sql.recoverytoolbox.com/ & download demo Recovery Toolbox for SQL Server.
Depending on how you are loading your data, you may need to break it up into smaller chunks. Make sure you are not loading all the data in one large transaction.

Read more: http://www.filerepairforum.com/forum/microsoft/microsoft-aa/sql-server/380-is-it-good-idea-to-change-simple-recover-model-into-bulk-logged-on-etl-system

Answered 11/07/2014 by: laskozinin
White Belt

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Bulk Logged will not help you in this situation. Your transaction log is growing because you are performing large transactions. In simple mode, the log is truncated after a checkpoint.
Check these site: http://www.sql.recoverytoolbox.com/ & download demo Recovery Toolbox for SQL Server.
Depending on how you are loading your data, you may need to break it up into smaller chunks. Make sure you are not loading all the data in one large transaction.

Read more: http://www.filerepairforum.com/forum/microsoft/microsoft-aa/sql-server/380-is-it-good-idea-to-change-simple-recover-model-into-bulk-logged-on-etl-system

Answered 11/07/2014 by: laskozinin
White Belt

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