Oracle8i Reference
Release 2 (8.1.6)

Part Number A76961-01

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Static Data Dictionary Views, 270 of 452


FILE_PING

This Parallel Server view displays the number of blocks pinged per datafile. You can use this information to determine access usage of existing datafiles for better settings of GC_FILES_TO_LOCKS.

See Also:

"GC_FILES_TO_LOCKS" and Oracle8i Parallel Server Concepts

Column  Datatype  NULL  Description 

FILE_ID 

NUMBER 

NOT NULL 

Datafile identifier number (to find file name, query DBA_DATA_FILES or V$DBFILES

FILE_NAME 

NUMBER 

 

The file name 

TS_NAME 

VARCHAR2(30) 

NOT NULL 

Datafile identifier number (to find file name, query DBA_DATA_FILES or V$DBFILES

FREQUENCY 

NUMBER 

 

The ping count 

X_2_NULL 

NUMBER 

 

Number of lock conversions from Exclusive-to-NULL for all blocks in the file 

X_2_NULL_FORCED_WRITE 

NUMBER 

 

Number of forced writes that occur for blocks of the specified file due to Exclusive-to-NULL conversions 

X_2_NULL_FORCED_STALE 

NUMBER 

 

Number of times a block in the file was made STALE due to Exclusive-to-NULL conversions 

X_2_S 

NUMBER 

 

Number of lock conversions from Exclusive-to-Shared for all blocks in the file 

X_2_S_FORCED_WRITES 

NUMBER 

 

Number of forced writes that occur for blocks of the specified file due to Exclusive-to-Shared conversions 

X_2_SSX 

NUMBER 

 

Number of lock conversions from Exclusive-to-Sub Shared Exclusive for all blocks in the file 

X_2_SSX_FORCED_WRITES 

NUMBER 

 

Number of forced writes that occur for blocks of the specified file due to Exclusive-to-Sub Shared Exclusive conversions 

S_2_NULL 

NUMBER 

 

Number of lock conversions from Shared-to-NULL for all blocks in the file 

S_2_NULL_FORCED_STALE 

NUMBER 

 

Number of times a block in the file was made STALE due to Shared-to-NULL conversions 

SS_2_NULL 

NUMBER 

 

Number of lock conversions from Sub Shared-to-NULL for all blocks in the file 

WRB 

NUMBER 

 

Number of times the instance received a write single buffer cross instance call for this file 

WRB_FORCED_WRITE 

NUMBER 

 

Number of blocks written due to write single buffer cross instance calls for this file 

RBR 

NUMBER 

 

Number of times the instance received a reuse block range cross instance call for this file 

RBR_FORCED_WRITE 

NUMBER 

 

Number of blocks written due to resuse block range cross instance calls for this file 

RBR_FORCED_STALE 

NUMBER 

 

Number of times a block in this file was made STALE due to resuse block range cross instance calls 

CBR 

NUMBER 

 

Number of times the instance received a checkpoint block range cross instance call for this file 

CBR_FORCED_WRITE 

NUMBER 

 

Number of blocks in this file which were written due to checkpoint cross range cross instance calls 

NULL_2_X 

NUMBER 

 

Number of lock conversions from NULL-to-Exclusive for all blocks of the specified file 

S_2_X 

NUMBER 

 

Number of lock conversions from Shared-to-Exclusive for all blocks of the specified file 

SSX_2_X 

NUMBER 

 

Number of lock conversions from Sub Shared Exclusive-to-Exclusive for all blocks of the specified file 

N_2_S 

NUMBER 

 

Number of lock conversions from NULL-to-Shared for all blocks of the specified file 

N_2_SS 

NUMBER 

 

Number of lock conversions from NULL-to-Sub Shared for all blocks of the specified file 


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