Transaction log is a list/history of modification executed by a database management system to guarantee ACID properties over crashes or hardware failures.

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How to deal with very large transaction logs in SQL Server

Here is my situation: I have being asked to deal with a SQL Server 2008 R2 database that has a transaction log that is several times bigger than the database itself. The database is in full recovery ...
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443 views

SQL Server Troubleshooting Replication and Long-Running fn_dblog query

I am trying to get (pull) Transactional Replication working again for a subscriber. Currently, in Replication Monitor I am seeing messages in the Publisher to Distributor tab and the Distributor to ...
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1answer
66 views

Database is happily available even during log growth?

I’ve been creating a process to go through all our databases and analyze the log structure, backup, shrink, and resize appropriately taking operational requirements and VLF sizing/amount into account. ...
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1answer
42 views

What is the best storing device for DB transaction log?

I'm using MySQL with InnoDB storing engine. Transactional log is placed to dedicated HDD. Still as it is HDD atopsar shows big load (>50%) to this HDD because of big amount of small IOs (about 50 ...
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1answer
111 views

Issue shrinking dev sql server DB's log file

I have a development db that's running on sql 2014 in 2012 compatibility that I'm having an issue with trying to shrink the log file. The mdf is 60+gb and the log is 80+gb but since it's dev like ...
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1answer
1k views

DBCC loginfo contains thousands of VLF entries with status 2

I've inherited this huge SQL Server 2000 prod database and suddenly the transaction log ran out of space. The transaction log gets backed up every hour but I think over the weekend some existing jobs ...
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1answer
50 views

TempDB Log Space and ACTIVE_TRANSACTION

Our monitoring solution (SCOM) is currently flagging that the tempdb log is running out of space. However we have auto grow set to 1GB chunks for the log and we have 25GB of space left on the drive. ...
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Alternatives to log shipping / Replicate a local SQL Server database on a remote DB accesible only by IP

I'm trying to replicate a local SQL Server 2008R2 DB to a remote DB instance accessible only by IP (specifically, a RackSpace cloud site DB). I believe log shipping is ideal, since the remote only ...
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Transaction log full due to log_backup

I am testing how certain operations are logged under different recovery models.Below are steps i have did till now 1.create database in full recovery model 2.take backup 3.create a table and insert ...
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Log shipping on secondary server

Log shipping fails with the below error. Sql agent on secondary server has access to the folder and files in security. It is not a firewall issue. I created the jobs using the LS scripts as it fails ...
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Too much IO to MySQL InnoDB log files

I am using MySQL version: 5.5.38 I have dedicated HDD to InnoDB log files using innodb-log-group-home-dir option. atopsar -d 30 shows big load (>50%) to this HDD The thing is that I have only 75 ...
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Log full and an Active_transaction on database

I have limited access to this server eg I cannot SELECT * FROM sys.dm_tran_session_transactions for example I, perhaps foolishly, ran this query to insert some test data... begin transaction update ...
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Maintenance Plan Transaction Log Backup

I have a backup device set for my transaction log so the sets are contained in 1 file. I have this set to append, is this correct or should it be overwrite in the plan? After the full backup is taken ...
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Lock rows for long running transactions

I have a question table from which agents try to answer 5 questions at a time. Obviously, I want to avoid agent collision i.e. if an agent is answering a question, other agents can not work on it. Is ...