Tuesday, August 19, 2014

WARNING: inbound connection timed out (ORA-3136)

Warning message inbound connection timed out (ORA-3136) can be seen in the alert log file if a client was failed to authenticate itself within a specified period of time, since connection was initiated first time. sqlne.ora parameter called "SQLNET.INBOUND_CONNECT_TIMEOUT" is used to specify a value in number of seconds, database would

Wednesday, August 13, 2014

ORA-01113 when Tablespace is in Backup Mode

On a database, while logging in to the database, it was throwing error "ORA-01033: ORACLE initialization or shutdown in progress". This error means that database is either no-mount or mount state. So I logged in as SYSDBA and tried to open the database.

Thursday, August 7, 2014

Excessive PGA Memory Usage by Sessions and System Hang

In this article I will explain how to handle memory leak by an oracle session process or if because of a bug in a code if an oracle processes consumes all available memory because of growth of PGA. Starting 12c, we can limit the amount of memory to which PGA of an Oracle session can grow. Click here to find out how.

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