# Troubleshooting source latency issues
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The following topics describe replication scenarios specific to source endpoint types.

**Topics**
+ [Oracle Endpoint Troubleshooting](CHAP_Troubleshooting_Latency_Source_Oracle.md)
+ [MySQL Endpoint Troubleshooting](CHAP_Troubleshooting_Latency_Source_MySQL.md)
+ [PostgreSQL Endpoint Troubleshooting](CHAP_Troubleshooting_Latency_Source_PostgreSQL.md)
+ [SQL Server Endpoint Troubleshooting](CHAP_Troubleshooting_Latency_Source_SQLServer.md)