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Oracle® Database Reference
10g Release 1 (10.1)

Part Number B10755-01
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V$FILESTAT

This view contains information about file read/write statistics.

Column Datatype Description
FILE# NUMBER Number of the file
PHYRDS NUMBER Number of physical reads done
PHYWRTS NUMBER Number of times DBWR is required to write
PHYBLKRD NUMBER Number of physical blocks read
PHYBLKWRT NUMBER Number of blocks written to disk, which may be the same as PHYWRTS if all writes are single blocks
SINGLEBLKRDS NUMBER Number of single block reads
READTIM NUMBER Time (in hundredths of a second) spent doing reads if the TIMED_STATISTICS parameter is true; 0 if false
WRITETIM NUMBER Time (in hundredths of a second) spent doing writes if the TIMED_STATISTICS parameter is true; 0 if false
SINGLEBLKRDTIM NUMBER Cumulative single block read time (in hundredths of a second)
AVGIOTIM NUMBER Average time (in hundredths of a second) spent on I/O, if the TIMED_STATISTICS parameter is true; 0 if false
LSTIOTIM NUMBER Time (in hundredths of a second) spent doing the last I/O, if the TIMED_STATISTICS parameter is true; 0 if false
MINIOTIM NUMBER Minimum time (in hundredths of a second) spent on a single I/O, if the TIMED_STATISTICS parameter is true; 0 if false
MAXIORTM NUMBER Maximum time (in hundredths of a second) spent doing a single read, if the TIMED_STATISTICS parameter is true; 0 if false
MAXIOWTM NUMBER Maximum time (in hundredths of a second) spent doing a single write, if the TIMED_STATISTICS parameter is true; 0 if false