Release 8.0.5
A64404-01
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| Oracle
SNMP Support Reference Guide
Release 8.0.5 A64404-01 |
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A process on a managed node that is responsible for all SNMP
transactions on that node. The agent accepts requests from the management
station and answers them by returning data. It also initiates traps when
exceptional conditions are detected.
Abstract Syntax Notation One. The notation used to define
MIB variables.
An administrative file that is required to start and run
a database system. The control file records the physical structure of the
database.
A data dictionary view that displays information about database
files. Fields in DBA_DATA_FILES are used to retrieve the value of the rdbmsDbInfoSizeAllocated
variable and derive the values of the rdbmsDbInfoSizeAllocated and rdbmsDbInfoSizeUsed
variable (in Oracle's implementation of the standard RDBMS MIB (RFC 1565)).
Also, some of the variables in the oraDbDataFileTable of the private Oracle
Database MIB correspond directly to a single column of DBA_DATA_FILES.
A data dictionary view that displays information about free
extents in all tablespaces. DBA_FREE_SPACE is used to derive the value
of the rdbmsDbInfoSizeUsed variable (in Oracle's implementation of the
public RDBMS MIB (RFC 1565)).
The dynamic performance table containing measures of tablespace
activity for an Oracle7 or Oracle8 database since the last instance startup.
Values for each variable in the oraDbTablespaceTable of the Oracle Private
Database MIB are retrieved directly from a corresponding variable in DBA_TABLESPACES.
A database system file containing a list of parameters that
are read when the database system is started. The parameters identify the
database and control system wide resources. By affecting the size of the
SGA, they also impact the performance of the instance. Values for each
variable in the oraDbConfigTable of the private Oracle Database MIB are
retrieved directly from a corresponding parameter in INIT.ORA.
See Oracle MultiProtocol Interchange.
As defined for the Oracle7 and Oracle8 servers, an instance
includes the background processes and memory areas required to access an
ORACLE database. In SNMP, an instance has a different meaning. For objects
that appear in tables, each row in the table represents an instance of
that object.
A collection of one or more PL/SQL program units that are
stored together in a file or database, and that can be referenced by several
displays at once.
A memory structure containing shared SQL and PL/SQL areas.
The library cache is one of three parts of the shared pool.
A protocol independent application listener that receives
connections on behalf of applications running over a variety of underlying
protocols. The Listener is a component of SQL*Net, Oracle's remote data
access product.
A platform, such as a UNIX server, on which objects to be
monitored or managed reside.
Any entity, device, node, such as a LAN server, gateway,
or client application, that can be queried by a management station for
its current status.
A software application that can be integrated with a management
framework to accomplish more specialized network or database tasks.
A software package used to view and react to information
retrieved using the SNMP protocol. See also management application.
A node from which objects are monitored or managed using
the SNMP protocol. Also known as management console, management system
or managing node.
A process that accepts queries from the management framework
and communicates with the application in order to answer the query.
Management Information Base. The collection of variables
that can be queried to describe attributes of an object, such as the use,
performance, and initialization parameters of a database server, for example.
See Oracle MultiProtocol Interchange.
A public MIB (RFC 1565) that contains generic variables designed
to apply to all types of network service applications. Oracle has implemented
those variables of this MIB that are relevant to the Oracle7 Server, the
Oracle MultiProtocol Interchange, and the Oracle Names products.
A sequence of elements, as specified by the SNMP standard
(RFC 1442), that uniquely identifies each object. An object identifier
(OID) is a sequence of elements that indicates a hierarchical organization
of identifiers.
The portion of a MIB tree that is specific to a given entity.
The subtree for the Oracle enterprise is 1.3.6.1.4.1.111. All of the variables
in the Oracle MIBs begin with this OID subtree. Also called root OID.
This private MIB serves to extend the functionality of the
public RDBMS MIB. The Oracle Database MIB contains additional RDBMS statistics
that are specific to the Oracle7 architecture.
A product that provides application connectivity across multiple
network protocols.
A product that provides a directory service, by making database
address and database link information available to all nodes throughout
the network.
The relational database management systems (RDBMS) developed
and sold by Oracle Corporation. These RDBMS includes the database that
stores information, as well as the server software that accesses and manipulates
that information.
Execution of an item in the library cache.
A proposed standard MIB for relational databases that has
been defined by the IETF Working Group. This MIB allows for database discovery,
identification of the database, and characterization of database size and
activity level.
The method by which a subagent, acting on behalf of a managed
object, such as a listener or an Oracle7 or Oracle8 server, notifies a
master agent of two things: first, that it will accept requests from the
master agent for information, and second, the list of items (the MIB) for
which it will provide information.
As defined in RFC 1565 (the standard RDBMS MIB) an independent
entity that provides access to one or more databases.
The shared segment containing temporary data caches used
by the Oracle7 and Oracle8 Servers during database operation. The SGA is
initialized when the server is started, and unavailable when the server
is not running. Also known as System Global Area.
The portion of the SGA, created on instance startup, that
contains shared memory constructs such as shared SQL areas. A shared SQL
area is required to process every unique SQL statement submitted to a database.
A single shared SQL area is used by multiple applications that issue the
same statement, leaving more shared memory for other uses.
A configuration file for a managed node. SNMP.ORA contains
a list of parameters that are read when an Oracle subagent is started.
A process that receives queries for a particular application
from the master agent, and sends the answers back to the master agent.
A generic term for a virtual table which allows the user
to access memory structures within the SGA. V$ tables can be used to monitor
the performance of processes of an Oracle instance. These tables are also
called dynamic performance tables, because they are continuously updated
while a database is open and in use. The values of many private Oracle
Database MIB variables are retrieved directly from corresponding variables
in V$ tables.
The dynamic performance table containing database information
from the control file.
The dynamic performance table containing file read/write
statistics for an Oracle7 database. Some of the variables in the oraDbDataFileTable
of the private Oracle Database MIB are retrieved directly from a single
column of V$FILESTAT .
The dynamic performance table containing information on the
state of the current instance.
The dynamic performance table containing measures of all
library cache activity since the most recent instance startup. Values for
each variable in the oraDbLibraryCacheTable of the private Oracle Database
MIB are retrieved directly from a corresponding variable in V$LIBRARYCACHE.
The dynamic performance table containing information on license
limits.
The dynamic performance table containing measures of all
data dictionary activity since the most recent instance startup. Values
for each variable of the oraDbRowCacheTable of the private Oracle Database
MIB are retrieved directly from a corresponding variable in V$ROWCACHE.
The dynamic performance table containing the current statistics
on total memory used for each current session. In the multi-threaded server
architecture, Oracle stores session information in the shared pool, rather
than in the memory of user processes. While no variables in the private
Oracle Database MIB correspond directly to those in V$SESSTAT, V$SYSSTAT
is derived from V$SESSTAT. See also V$SYSSTAT.
The dynamic performance table containing summary information
on the System Global Area of an Oracle7 or Oracle8 database. The values
of each variable in the oraDbSGATable of the Oracle Private Database MIB
are retrieved directly from a corresponding variable in V$SGA.
The dynamic performance table containing detailed information
on the System Global Area of an Oracle7 or Oracle8 database. Values for
each variable in the oraDbSGAStatTable of the private Oracle Database MIB
are retrieved directly from a corresponding variable in V$SGASTAT.
The dynamic performance table containing the current system-wide
value for each variable in V$SESSTAT. Values for each variable in the oraDbSysTable
of the private Oracle Database MIB are retrieved directly from a corresponding
variable in V$SYSSTAT.
The dynamic performance table containing version numbers
of core library components in the Oracle Server. See also, Library.
