REPLICATION: My distribution agent generates a dump when replicating with my Oracle Subscriber

ReplTalk Product Updates, Troubleshooting June 22, 2011

reposting from Claudia Silva Microsoft SQL Escalation Services United Kingdom http://blogs.technet.com/b/claudia_silva/ PROBLEM: I have a SQL Server 2005 replicating with an Oracle 11 subscriber. After installing the OLEDB driver for Oracle 11, a minidump is created every time the distributor tries to connect to Oracle: Distrib.exe crashes with STACK_OVERFLOW exception. The issue occurs while initializing
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Replication: Unable to Synchronize subscribers via Web Synchronization

ReplTalk Best Practices, Troubleshooting June 22, 2011

reposting from Claudia Silva Microsoft SQL Escalation Services United Kingdom http://blogs.technet.com/b/claudia_silva/ Problem: The upload message to be sent to Publisher ‘XXX’ is being generated The merge process is using Exchange ID ‘XXXXX’ for this web synchronization session. No data needed to be merged. Request message generated, now making it ready for upload. Upload request size
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SQL 2005 Merge Agent Blocking in MSmerge_generation_partition_mappings

ReplTalk Troubleshooting June 22, 2011

If you observe blocking in the SQL Server 2005 Merge Agent script out the “nc1MSmerge_generation_partition_mappings” index and verify the “INCLUDE (changecount)” option exists. TO verify, generate the create index script by expanding the system tables in the published database. Then expand “MSmerge_generation_partition_mappings” table. Right click the “nc1MSmerge_generation_partition_mappings” index and script to new query windows. If
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Initial Merge Synchronization not using Bulk Insert

Chris Skorlinski [MSFT] Best Practices, Inside Replication June 22, 2011

Working with a customer to setup a large subscriber we noticed the Merge Agent was NOT doing a BULK INSERT, but instead was doing row-by-row insert. This had significant overhead for the Merge Agent resulting in longer then expected initial/reinit synchronization times. Downloaded 33 change(s) in 'Customer' (33 inserts): 33 total Applied the snapshot and
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Distribution Agent unable to STREAM when replicating as TSQL

ReplTalk Inside Replication May 11, 2011

New for SQL 2008 is the ability for the Distribution Agent to push updates to the Subscriber using multiple connections. This feature, called Subscription Streams, only works when replicating transactions as stored procedures and not TSQL statements. See: Enhancing Transactional Replication Performance (Use the –SubscriptionStreams parameter for the Distribution Agent.) Background The published articles can
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