we keep having replication unresponsive alert from SQL server as I recalled that the replication job alert show this as normal before but it said Tempdb contention, but I can't find the related record any more.
any resource can help to determine this or measure it?
I don't know why are you insisting on this one but there's no performance advantage AT ALL to have more than one transaction log file no matter what database is it.
Transaction log is being written sequentially
Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.
This video shows, step by step, how to configure Oracle Heterogeneous Services via the Generic Gateway Agent in order to make a connection from an Oracle session and access a remote SQL Server database table.