ZPWY-MAP- Definitions
NonStop Pathway/iTS Management Programming Manual—426749-002
6-66
ZPWY-MAP-STATS-TERM2
ZIOS
is the total number of I/O operations to the server. ZIOS has the same
value as ZREQCNT.
ZCHECKPOINT
reports information from the TCP about the SCREEN COBOL CHECKPOINT
statement; the TCP normally performs more checkpoint operations than those
generated by this statement. ZCHECKPOINT has the following subfields:
ZREQCNT
is the total number of CHECKPOINT requests.
ZMAXSIZE
is the size, in bytes, of the largest amount of data transferred for a
checkpoint request during the interval that the TCP reports these statistics.
ZAGGREGATESIZE
is the size, in bytes, of the amount of data transferred for a checkpoint
request for the interval that the TCP reports these statistics.
ZIOS
is the total number of requests performed. If a checkpoint request was not
honored (for example, if the backup process was not running), ZIOS is less
than ZREQCNT.
ZAREAINFO
reports on the extended data segment of TCP memory, which is used for the
terminal context data and for the SCREEN COBOL code segments associated with
a TERM object. Some of the following DATA and CODE information, reported by
the TCP, indicates whether you should adjust certain values in fields in
ZPWY-DDL-DEF-TERM to maximize the efficiency of its operations.
ZDATA
reports information about terminal requests for context data space. ZDATA
contains the following subfields:
ZMAXSIZE
is the largest amount of data space, in words, requested for terminal
context during the interval that the TCP reports these statistics.
By comparing this value for all TERM objects controlled by the TCP, you
can determine the largest ZMAXSIZE value; this is generally the most
efficient value for the ZMAXTERMDATA field in ZPWY-DDL-DEF-TERM.
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