Availability Guide for Application Design

Index
Availability Guide for Application Design—525637-004
Index-16
P
checkpointing 6-22/6-23
design implications 6-23/6-24
development concerns 6-23
error handling 6-23
failure of 6-20
gateway, as a 1-18
immediate persistence 6-21
initialized persistence 6-22
instrumentation of 6-24
message control 1-18
multithreaded process 6-23
neither persistent nor process pair 6-21
nonretryable operations 6-23
operational concerns 6-24
Pathway environment, in the 6-2
persistent process 1-18, 6-23
process pair 1-18, 6-22/6-23
restarting 6-24
retryable operations 6-23
Pathsend worksession 6-19/6-20
Pathway applications
See also
Pathsend applications
Pathway/iTS applications
RSC/MP applications
availability of 6-1/6-30
checkpointing 6-29
client context 6-29
file system retries 6-29
immediate persistence 6-29
initialized persistence 6-29
LINKMON process, role of 6-4
NonStop TMF 6-29
objects and relationships 8-10/8-11
PATHMON process, role of 6-4/??
process pairs 6-29
process replication 6-29
requester context 6-29
server processes, support for 6-4/6-8
transactions 6-29
Pathway CGI Server 3-16
Pathway environment
availability in 1-17/1-19, 6-1/6-30
PATHMON process 1-17
Pathway Terminal Control Process
See TCP
Pathway transaction-processing
environment
See Pathway environment
Pathway/iTS
availability with 1-18
COBOL 1-18
overview of 6-24/6-26
Pathway environment, in the 6-1/6-2
TCP 1-18
transaction support in 1-15
Pathway/iTS applications 6-24/6-28
Pathway/XM
environment 6-8/6-11
Pathway environment, in the 6-1
Penalties from downtime 1-4
Performance
analyzing statistics 8-41
availability and 1-20, 8-9
gathering statistics 8-39
instrumentation of 8-9, 8-30/8-31
measuring 8-26
Persistent process 1-12
See also
Immediate persistence
Initialized persistence
monitoring 7-22
Pathsend interface 1-18
TCP 1-18
TDP 1-18
Physical outage 1-8
POET 4-10
functions 4-11
transaction API 4-10/??