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PMIRPT21: I/O by area detail report

PMIRPT21 contains detailed information about an area's input/output during a specific interval.

Sample report

REPORT NO. 21 CA, INC. mm/dd/yy PAGE 1 CA IDMS/PM nn.n volser I/O BY AREA DETAIL REPORT DC SYSTEM VERSION #: 56 <-------------- YOUR COMPANY NAME --------------> DATA FROM: mm/dd/yy INTERVAL START TIME:16:20:00 END TIME: 16:30:00 AREA NAME: CA30NWK.DDLDML FILE NAME: CA30NWK.CA30DML2 BUFFER NAME: DEFAULT-BUFFER AREA ACCESS WAITS 14736 AREA ACCESSES PHYSICAL WRITES 14628 PHYSICAL READS 108 BUFFER HITS --READ I/O WAITS-- --WRITE I/O WAITS-- 14627 TOT WAITS TOT WAITS 345.000 TOT WAIT TIME .0236 AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME --DB BUFFER WAITS-- --SHARED BUFFER WAITS-- TOT WAITS TOT WAITS TOT WAIT TIME AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME --EXCLUSIVE BUFFER WAITS- --DBKEY WAITS-- TOT WAITS TOT WAITS TOT WAIT TIME AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME INTERVAL START TIME:16:20:00 END TIME: 16:30:00 AREA NAME: CFAXNWK.DDLDCLOD FILE NAME: CFAXNWK.CFALOD BUFFER NAME: DCLOD-BUFFER AREA ACCESS WAITS 793 AREA ACCESSES PHYSICAL WRITES 777 PHYSICAL READS 16 BUFFER HITS --READ I/O WAITS-- --WRITE I/O WAITS-- 777 TOT WAITS TOT WAITS 33.000 TOT WAIT TIME .0425 AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME --DB BUFFER WAITS-- --SHARED BUFFER WAITS-- TOT WAITS TOT WAITS TOT WAIT TIME AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME --EXCLUSIVE BUFFER WAITS- --DBKEY WAITS-- TOT WAITS TOT WAITS TOT WAIT TIME AVG WAIT TIME TOT WAIT TIME AVG WAIT TIME HIGHEST WAIT TIME HIGHEST WAIT TIME

PMIRPT21 fields

Field

Description

Start Time

Starting time for the interval on a 24-hour clock (hh:mm:ss)

End Time

Ending time for the interval on a 24-hour clock (hh:mm:ss)

Area Name

Name of the area

File Name

Name of a file to which area maps

Buffer Name

Name of area's associated buffer

Area Access Waits

Number of times task waited to ready an area in a required usage mode

Area Accesses

Number of times task readied an area

Physical Writes

Number of physical writes for the area

Physical Reads

Number of physical reads for the area

Buffer Hits

Number of database area requests that could be processed in the buffer without a physical I/O

Read I/O Waits

Number of physical read I/Os that resulted in a wait and the total, highest, and average wait times

Write I/O Waits

Number of physical write I/Os that resulted in a wait and the total, highest, and average wait times

DB Buffer Waits

Number of times a page within the area had to wait for a buffer page to become available and the total, highest, and average wait times

Shared Buffer Waits

Number of times transactions wanted to access a database page that was exclusively held by another transaction and the total, highest, and average wait times

Exclusive Buffer Waits

Number of times transactions waited for exclusive access to a database page and the total, highest, and average wait times

DBkey Waits

Number of waits for a db-key and the total, highest, and average wait times