One of the most frustrating issues for any DBA or application owner is the dreaded — a database connection that appears active but is actually dead due to a network failure, firewall timeout, or client crash.
The default value of expire_time is 0, which means that idle connections will not be terminated. expire_time sqlnet.ora 19c
This file resides in the $ORACLE_HOME/network/admin directory on the (not the client, unless you want client-side DCD, which is rare). One of the most frustrating issues for any
In a production Oracle 19c environment with a Java connection pool (UCP or HikariCP), add this to your DB server’s sqlnet.ora : In a production Oracle 19c environment with a
Without DCD, if a client machine reboots, loses power, or the intermediate firewall kills an idle connection, the Oracle server has no idea anything is wrong. The session stays open, holding:
? AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 9 sites Dead Connection Detection - Oracle Dead Connection Detection has been enhanced in Oracle Database Release 12c to reduce the amount of time taken to detect terminated... Oracle Dead Connection Detection - Oracle SQLNET. EXPIRE_TIME parameter can be set in sqlnet. ora to specify a time interval, in minutes. This value denotes the idle timeou... Oracle 5 Parameters for the sqlnet.ora File - Oracle Help Center ENCRYPTION_TYPES_CLIENT to list encryption algorithms for clients to use. SQLNET.ENCRYPTION_TYPES_SERVER. Use the sqlnet. ora para... Oracle Help Center What exactly does SQLNET.EXPIRE_TIME parameter do Dec 9, 2564 BE —
expire_time File: sqlnet.ora Oracle Version: 19c