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HP Neoview Release 2.5 Software User Manual

Page 126

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Table E-8 QUERY_RUNTIME_STATS_V1 Field Definitions (continued)

Description

Data Type

Field Name (* means available only in
this view)

Amount of “heap” type (dynamic)
memory, in kilobytes, actually used
for the Executor in Disk (EID)
processes involved in query execution.
As the query executes, this value can
increase or decrease. Maximum value
of EID_HEAP_USED reached over the
life of the query.

INTEGER SIGNED NO DEFAULT

EID_HEAP_USED*

1

Usually the warning number that is
returned to the stats collector while
obtaining statistics from RMS. A
warning of 8922 means that one or
more nodes did not report the statistics
for the given query.

INTEGER SIGNED NO DEFAULT

STATS_ERROR_CODE*

Number of physical disk I/O
operations performed for this
statement.

LARGEINT SIGNED NO DEFAULT

DISK_IOS*

Cumulative number of times record
locks were escalated to file locks.

LARGEINT SIGNED NO DEFAULT

LOCK_ESCALATIONS

Number of times the statement waited
for a lock request (concurrency cost).

LARGEINT SIGNED NO DEFAULT

LOCK_WAITS

Number of bytes written to disk.

LARGEINT SIGNED NO DEFAULT

MESSAGE_BYTES_TO_DISK

Number of messages sent to disk.

LARGEINT SIGNED NO DEFAULT

MESSAGES_TO_DISK

Number of records accessed by the
disk process or the file system to
evaluate the statement.

LARGEINT SIGNED NO DEFAULT

ROWS_ACCESSED

Cumulative number of rows retrieved.

LARGEINT SIGNED NO DEFAULT

ROWS_RETRIEVED

Number of rows
updated/inserted/deleted. This value
is NULL for queries in process or for
which the Repository did not receive
end statistics. It is 0 for SELECT
queries for which the Repository
received end statistics and >0 for UID
queries for which the Repository
received end statistics.

LARGEINT SIGNED NO DEFAULT

NUM_ROWS_UID

Time, in microseconds, that the query
spent in the Workload Management
queue before it started executing.

INTERVAL SECOND(12,6) NO
DEFAULT

QUE_TIME*

Number of OPEN calls performed by
the Executor on behalf of this query.

LARGEINT SIGNED NO DEFAULT

OPENS*

An approximation of the total node
time spend in master and ESPs
involved in the query. The node time
is expressed in microseconds.

INTERVAL SECOND(12,6) NO
DEFAULT

SQL_PROCESS_BUSY_TIME*

Number of new processes created by
the Executor on behalf of this process.

INTEGER SIGNED NO DEFAULT

NUM_PROCESSES_CREATED*

126

Pre-R2.5 Query Statistics Views