Linux Oracle Client [top] -

Using DRCP (Database Resident Connection Pool) on client side:

SQLNET.ENCRYPTION_CLIENT = REQUIRED SQLNET.ENCRYPTION_TYPES_CLIENT = (TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) SQLNET.CRYPTO_SEED = "randomseedvalue" Integration with OS credentials (Linux PAM):

Sample entry with advanced parameters:

[1] Oracle Corporation. (2023). Oracle Database Net Services Administrator's Guide , 21c Edition. Redwood City, CA.

Implementation and Optimization of the Oracle Linux Client in Enterprise Database Environments linux oracle client

# Extract client libraries unzip instantclient-basic-linux.x64-21.13.0.0.0dbru.zip -d /opt/oracle echo "/opt/oracle/instantclient_21_13" > /etc/ld.so.conf.d/oracle.conf ldconfig Set environment variables export ORACLE_HOME=/opt/oracle/instantclient_21_13 export TNS_ADMIN=/etc/oracle export LD_LIBRARY_PATH=$ORACLE_HOME:$LD_LIBRARY_PATH

-- Database configuration EXEC DBMS_CONNECTION_POOL.CONFIGURE_POOL('SYS_DEFAULT_CONNECTION_POOL', MINSIZE=10, MAXSIZE=100); EXEC DBMS_CONNECTION_POOL.START_POOL(); -- Client connection string sqlplus user/pass@//host:1521/prodservice:POOLED Using DRCP (Database Resident Connection Pool) on client

PRODDB = (DESCRIPTION = (ADDRESS_LIST = (LOAD_BALANCE = ON) (ADDRESS = (PROTOCOL = TCP)(HOST = primary-host)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = standby-host)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = prodservice) (RETRY_COUNT = 3) (RETRY_DELAY = 5) ) ) For performance troubleshooting: