Expire_time Sqlnet.ora 19c Portable Review

expire_time = 15 SQLNET.INBOUND_CONNECT_TIMEOUT = 60 SQLNET.RECV_TIMEOUT = 60 SQLNET.SEND_TIMEOUT = 60 Combine expire_time with inbound timeouts to protect against both idle zombies and hung network I/O. expire_time in Oracle 19c is a small parameter with a massive impact on stability. It requires no application changes, adds minimal overhead (one tiny packet every N minutes), and prevents orphaned sessions from ruining your database health.

lsnrctl stop lsnrctl start Check an active session’s DCD setting: expire_time sqlnet.ora 19c

lsnrctl reload Or for a clean start:

To be safe:

Check your 19c database servers: