Merge-Replication - Transaction Log Is Growing Largely - Help Needed...

Apr 25, 2007

Hi,

We have configured the following in the Publisher server..



1) Merge Replication - Synchronisation to be running in the continuous mode.

2) Merge Replication - Synchronisation in Scheduled mode.



The issue that we are facing here is the transaction log file of the databases which are in replication are growing very largely. And we get this error message in the Subscriber :



Error messages:



The Merge Agent failed to retrieve article information for publication 'MCC_Pos_CashlessPub'. Increase the -QueryTimeOut parameter and restart the synchronization. When troubleshooting, use SQL Profiler or restart the agent with a higher value for -HistoryVerboseLevel and check the output log file for errors. Correct any database engine conditions that may be causing internal replication stored procedures to fail. (Source: MSSQL_REPL, Error number: MSSQL_REPL-2147201017)
Get help: http://help/MSSQL_REPL-2147201017

The transaction log for database 'tempdb' is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases (Source: MSSQLServer, Error number: 9002)
Get help: http://help/9002



In fact for the past two days there are no data movement or any changes to the table, still we are able to see the growth in the transaction log file.



As mentioned in the error description when checked the log_reuse_wait_desc column of the sys.databases table, it showed the value "LOG_BACKUP". So took database backup 3 times. and took transaction log backup 2 times from the subscriber server in which the error was thrown. Still the issue persists. There is no change in the transaction log size.



What is the reason behind the growth of LDF?? Is it because of Merge Replication Configured in the server??



Kindly check and let as know regarding this issue. We are facing lot of problems because of this issue. Thanks in advance.



Regards,

Swapna.B.



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Merge Replication - One Way Data Flow - Help Needed...

Apr 24, 2007

Hi,

We have configured one-way merge replication in our topology. That is data flows from Subscriber to Publisher only. We have a publisher and a subscriber. There are 3 publications in this category and each publication has a subscription. We use SQL Server 2005 SP1 in both the servers. The retention period is the 14 days (default). After this period, I get the following error in the subscription in Replication Monitor. The Error message is



Error messages:

The Merge Agent failed after detecting that retention-based metadata cleanup has deleted metadata at the Publisher for changes not yet sent to the Subscriber. You must reinitialize the subscription (without upload). (Source: MSSQL_REPL, Error number: MSSQL_REPL-2147199402)


I read the post http://forums.microsoft.com/MSDN/ShowPost.aspxPostID=372790&SiteID=1

which said that this error might be solved in the SP2. We have not yet applied SP2, but even after applying SP2, will this error be solved for One Way Merge Replication since the data from publisher will not go to the subscriber always in this type of topology??.



Kindly get back to us regarding this as soon as possible. Thanks in advance.



Regards,

Swapna.B.


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Hi all,

We are using SQL Server 2005, on Windows server 2003 R2.

We Have Two Database Servers say DBServer1 and DBServer2, Now I wants to do Replication between these to servers, such that

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2. The Changes at DBServer2 should be reflected at DBServer1
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I tried doing so, what i did was
I cofigured Distribution at DBServer1, also Publisher and Publication at DBServer1
and Made a Subscription at DBServer2.

What I successfully done is
If Publisher means DBServer1 do some changes then it gets updated at DBServer2.
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I upgraded from SQL 6.5 to SQL 7 last month, and so far, everything's
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My SQL 7 server is set up with a Maintenance Plan which does everything,
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I have written following code in my application

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Error 2) Error No. 0, SQL Server 2005 Evrywhere Edition ADO.Net Data Provider
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Can anybody please tell me, where I went wrong ??? In this code anywhere else????

Note: While adding a Data Source of SQL Server 2005 Mobile Edition, I have added that .sdf file into my project, thats why I have written the Data Source as : .DbFile.sdf



@"Data Source = .DbDotNetCF.sdf";


The code is as follows:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlServerCe;

namespace DeviceApplication1
{
public partial class Form1 : Form
{
string filename = @".DbDotNetCF.sdf";

private DataSet dsJobLists;

public Form1()
{
InitializeComponent();
}

private void DeleteDB()
{
if (System.IO.File.Exists(filename))
{
System.IO.File.Delete(filename);
}
}

private void Sync()
{
SqlCeReplication repl = new SqlCeReplication();

repl.InternetUrl = @"http://localhost/WebsiteDotNetCF/sqlcesa30.dll";
repl.Publisher = @"RAHU";
repl.PublisherDatabase = @"DotNetCF";
repl.PublisherSecurityMode = SecurityType.NTAuthentication;
repl.Publication = @"PubDotNetCF";
repl.Subscriber = @"SubDotNetCF";
repl.SubscriberConnectionString = @"Data Source='" + filename + "';Max Database Size=128;Default Lock Escalation =100;";
try
{
if (!System.IO.File.Exists(filename))
{
repl.AddSubscription(AddOption.CreateDatabase);
}
repl.Synchronize();
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
finally
{
repl.Dispose();
}


// Display Same Data In Another DataGrid : dataGrid1
SqlCeConnection cn = new SqlCeConnection(@"Data Source='" + filename + "'");

SqlCeDataAdapter daJobLists = new SqlCeDataAdapter("SELECT JobListsID, JobID, PersonID FROM JobLists", cn);
if (dsJobLists == null)
{
dsJobLists = new DataSet();
}
try
{
dsJobLists.Clear();
daJobLists.Fill(dsJobLists, "JobLists");
dataGrid1.DataSource = dsJobLists.Tables["JobLists"];
}
catch (SqlCeException ex)
{
DisplaySQLCEErrors(ex);
}
}

private void DisplaySQLCEErrors(SqlCeException ex)
{
for (int i = 0; i < ex.Errors.Count; i++)
{
MessageBox.Show("Index #" + i.ToString() + ""
+ ex.Errors.Source + ""
+ "Error: " + ex.Errors.Message,
"Error No. " + ex.Errors.NativeError.ToString());
}
}

private void Form1_Load(object sender, EventArgs e)
{
Sync();
DeleteDB();

if (DbDotNetCFDataSetUtil.DesignerUtil.IsRunTime())
{
// TODO: Delete this line of code to remove the default AutoFill for 'dbDotNetCFDataSet.JobLists'.
this.jobListsTableAdapter.Fill(this.dbDotNetCFDataSet.JobLists);
}
}
}
}



I have created a merge replication correctlly( I suppose, there were no errros)
Please help

Your help will be appriciated

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Hi there,



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Code Snippet
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