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Oracle9iAS Web Cache Administration and Deployment Guide
Release 2 (9.0.2)

Part Number A95404-02
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Index

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  Z 


Symbols

. (period) symbol
regular expression, 7-4, 8-13, 8-25
" (double quotes) symbol
regular expression, 8-16, 8-25
$ (dollar sign) symbol
embedded URL parameter, 2-12
regular expression, 7-4, 8-13, 8-25
& (ampersand) symbol
embedded URL parameter, 2-12
regular expression, 8-16, 8-25
* (asterisk) symbol
regular expression, 7-4, 8-13, 8-25
; (semi-colon) symbol
embedded URL parameter, 2-12
< (less than sign) symbol
regular expression, 8-16, 8-25
<!--esi---> tag, Edge Side Includes (ESI), D-30
> (greater than sign) symbol
regular expression, 8-16, 8-25
? (question mark) symbol
embedded URL parameter, 2-12
regular expression, 7-4, 8-13, 8-25
[ ] (brackets) symbol
regular expression, 8-13, 8-25
\ (backslash) symbol
regular expression, 7-4, 8-13, 8-25
^ (caret) symbol
regular expression, 7-4, 8-13, 8-25
{ } (braces) symbol
regular expression, 8-13, 8-25
' (single quotes) symbol
regular expression, 8-16

Numerics

1024 port, 5-9, 10-5
4000 port, 6-9, B-1
4001 port, 6-9, B-1
4002 port, 6-9, B-1
4443 port, 6-6, B-1
4444 port, 6-23
7001 port, F-3
7777 port, 6-6, B-1
7778 port, 6-23
80 port, F-3

A

Accept request-header field, 2-15, 8-55
Accept-Charset request-header field, 2-15
Accept-Encoding request-header field, 2-15
Accept-Language request-header field, 2-16
access logs
CLF fields, 8-55
configuring settings for, 8-59
described, 8-53
disabling, 8-60
examples, 8-56 to 8-58
format, 8-53
user-specified fields, 8-53
access_log file, B-3
access_logyyyymmdd, 8-59
ACTION element in invalidation DTD, C-6
ACTION element in invalidation message, 8-15
ACTIVE _SESSIONS group name in statistics DTD, C-26
Active Server Pages (ASP), 1-8, 2-11
admin server process
described, 5-9, 8-2
restriction, 10-5
administrator user
default password, B-1
setting the password, 6-3
troubleshooting password changes, 10-17
ADVANCEDSELECTOR element in invalidation DTD, C-5
ADVANCEDSELECTOR element in invalidation message, 8-13
ADVANCEDSELECTOR element in invalidation preview DTD, C-9
ADVANCEDSELECTOR element in invalidation preview response DTD, C-10
ADVANCEDSELECTOR element in invalidation response DTD, C-8
apology pages
configuring, 6-30
configuring for ESI include errors, D-12
default
busy_error.html, 6-30
network_error.html, 6-30
APP_SRVR_REQUEST_BACKLOG group name in statistics DTD, C-18
APP_SRVR_STATS group name in statistics DTD, C-25
application Web servers
capacity, 6-23
configuring, 6-23
failover, 1-23, 1-27
connection request threshold, 6-24
polling failed server, 6-25
load, 2-6
load balancing
configuration, 6-43
described, 1-21
performance monitoring, 9-8
session binding
configuring, 6-44
described, 1-25
third-party
BEA WebLogic Server 6.0, F-5
IBM WebSphere Application Server, Version 4.0, F-10
Microsoft Internet Information Server (IIS) 5.0, F-15
Application Web Servers page in Oracle9iAS Web Cache Manager, 6-23
attempt tag, Edge Side Includes (ESI), D-27
authoritative DNS server, 4-30
Authorization request-header field, 8-55
Auto-Restart page in Oracle9iAS Web Cache Manager, 6-12
auto-restart process, 6-12
described, 5-9, 8-2
enabling, 6-12

B

backend failover, 1-23
BASICSELECTOR element in invalidation DTD, C-5
BASICSELECTOR element in invalidation message, 8-13
BASICSELECTOR element in invalidation preview DTD, C-9
BASICSELECTOR element in invalidation preview response DTD, C-10
BASICSELECTOR element in invalidation response DTD, C-8
BEA WebLogic Server 6.0, F-5
bin directory, A-2
binding, 1-25
BODYEXP attribute in invalidation DTD, C-5
BODYEXP attribute in invalidation message, 8-14
busy_error.html file, 6-30
By, 2-22
BYTES_SAVED_WITH_COMPRESSION group name in statistics DTD, C-20
BYTES_SERVED group name in statistics DTD, C-19

C

cache cluster members, 3-2
cache clusters, 3-1
adding members, 6-58
authentication, 3-5
benefits of, 3-4
configuration and, 3-5, 6-53
configuration settings, 6-53
configuring, 6-53, 6-54
deploying, 4-23
failover, 3-12
invalidation and, 2-10, 3-6, 8-29
on-demand content and, 3-3
overview, 3-2
owned content and, 3-3
partitioning content, 3-6
cache contents
generating list of, 8-44
writing list to file, 8-45
Cache Contents page in Oracle9iAS Web Cache Manager, 8-44
cache hierarchies
configuring, 6-47 to 6-52
described, 1-16
distributed cache hierarchy, 1-16
Edge Side Includes (ESI) cache hierarchy, 1-16
cache hits
described, 1-4, 2-2
Server response-header field, 2-39
cache information groups in statistics DTD, C-15
cache memory
configuring, 6-14
troubleshooting, 10-5
cache misses
described, 1-4, 2-2
Server response-header field, 2-39
cache population, 2-2
cache server process
described, 5-9, 8-2
memory restriction, 10-5
restarting automatically, 6-12
cache size
calculating, 6-15
configuring, 6-14
maximum, 6-14
CACHE_INFO group name in statistics DTD, C-17
CACHE_REDIRECT_DOC_COUNT group name in statistics DTD, C-19
CACHEABILITY_RULES group name in statistics DTD, C-16
CACHEABLE_MISSES group name in statistics DTD, C-21
Cache-Control request-header field, 8-55
Cache-Control response-header field, 8-55
CACHED_DOC_COUNT group name in statistics DTD, C-15
CACHED_DOC_SIZE group name in statistics DTD, C-16
caching rules, 7-8 to 7-15
default, 7-5
overview, 7-2
troubleshooting, 10-8
CALYPSONETINFO element in webcache.xml file, 10-11, 10-12
capacity
described, 6-23
of cluster members, 6-56
troubleshooting, 10-15
category cookies
described, 2-14
request and response value comparison, 2-14
central caches
configuring, 6-47
described, 1-16
certificate authority (CA), 1-28
choose tag, Edge Side Includes (ESI), D-23
Cluster Configuration page in Oracle9iAS Web Cache Manager, 6-54
clusters, 3-1
adding members, 6-58
authentication, 3-5
benefits of, 3-4
configuration and, 3-5, 6-53
configuration settings, 6-53
configuring, 6-53, 6-54
deploying, 4-23
failover, 3-12
invalidation and, 2-10, 3-6, 8-29
on-demand content and, 3-3
overview, 3-2
owned content and, 3-3
partitioning content, 3-6
CLUSTERS group name in statistics DTD, C-16
Collector Agent, 8-60
comment tag, Edge Side Includes (ESI), D-28
Common Gateway Interface (CGI), 1-8, 2-11
Common LogFile Format (CLF) in access log, 8-55
COMPRESSED_HITS group name in statistics DTD, C-22
COMPRESSED_MISSES group name in statistics DTD, C-22
compression
configuring, 7-10
described, 1-30
configuration settings
cluster-wide, 6-53
default, B-1
propagating to cluster members, 6-59
configuring
access logs, 8-59
application Web server settings, 6-23
cache clusters, 6-53
cache connection limit, 6-19
cache hierarchies, 6-47 to 6-52
cache memory, 6-14
caching rules, 7-8 to 7-15
HTTP error codes, 7-14
multiple versions of the same document by cookie values, 7-11, 7-20
multiple versions of the same document by HTTP request headers, 7-22
partial page caching, 7-41
personalized attributes, 7-27
session request, 7-36
session-encoded URLs, 7-25
sites, 1-14
clusters, 6-53
compression, 7-10
distributed cache hierarchies, 6-47
Edge Side Includes (ESI), 7-9, 7-41
Edge Side Includes (ESI) cache hierarchies, 6-49
Edge Side Includes (ESI) provider sites, 6-26
event logs, 8-51
expiration rules, 7-11, 7-17
failover of origin servers, 6-43
global caching rules, 1-14
load balancing of origin servers, 6-43
partial page caching, 7-41
proxy server settings, 6-23
quick reference to procedures, 5-15
resource limits, 6-14
security settings, 6-3
session binding to an application Web server, 6-44
sites
definitions, 6-26
settings, 6-26 to 6-35
site to server mappings, 6-28
virtual host sites, 6-26
wallets, 6-38
connection limit
cache cluster communication, 6-56
configuring, 6-19
on UNIX, 6-20
on Windows, 6-22
troubleshooting, 10-6
Connection request-header field, 8-55
Content Invalidation page in Oracle9iAS Web Cache Manager, 8-24
Content-Disposition response-header field, 7-10
Content-Encoding request-header field, 8-55
Content-Encoding response-header field, 7-10, 8-55
Content-Language request-header field, 8-55
Content-Language response-header field, 8-55
Content-Length request-header field, 8-55
HTTP request-header fields
Content-Length, 10-15
Content-Length response-header field, 8-55
Content-Type request-header field, 8-55
Content-Type response-header field, 8-55
COOKIE element in invalidation DTD, C-5
COOKIE element in invalidation message, 8-14
Cookie request-header field, 8-56
category cookies, 2-14
described, 2-11
session cookies, 2-21
with Edge Side Includes (ESI), 2-36
cookies
category cookies for multiple versions of the same URL, 2-14
described, 2-11
personalized attributes, 2-17
session cookies, 2-21
caching rules, 2-25
session binding, 1-25
session-encoded URLs, 2-23
coreok parameter, 5-13
cost savings with Oracle9iAS Web Cache, 1-6

D

data consistency
with clusters, 3-5
with invalidation and expiration, 2-4
Date request-header field, 8-55
Date response-header field, 8-55
DEBUGINFO HEADER attribute in webcache.xml file, 10-9, 10-10
DEMAND group name in statistics DTD, C-15, C-16
deploying Oracle9iAS Web Cache, 4-16
cache cluster, 4-23
distributed cache hierarchies, 4-29
Edge Side Includes (ESI) cache hierarchies, 4-16
Edge Side Includes (ESI) provider sites, 4-16
failover pair, 4-6
HTTPS requests, 4-10
inside a firewall, 4-26
multiple application Web servers, 4-5
multiple sites, 4-16
one application Web server, 4-2
outside a firewall, 4-28
proxy servers, 4-21
Web site acceleration, 4-8
directory structure
bin directory, A-2
docs directory, A-2
dtds directory, A-2
examples directory, A-2
invalidation directory, A-3
jlib directory, A-2
lib directory, A-2
logs directory, A-3
mesg directory, A-3
distributed cache hierarchies
configuring, 6-47
deploying, 4-29
described, 1-16
DNS server, 1-4
docs directory, A-2
Document Type Definitions (DTDs)
internal.dtd, A-2
invalidation, C-2
statistics, C-11
wcstats.dtd, A-2
webcache20.dtd, A-2
webcache.dtd, A-2
DTD_VERSION attribute in statistics DTD, C-12
dtds directory, A-2
dynamically generated content caching, 1-8
Active Server Pages (ASP), 1-8, 2-11
Common Gateway Interface (CGI), 1-8, 2-11
described, 2-11
ignoring the value of embedded URL parameters, 2-22
Java Server Pages (JSP), 1-8, 2-11
Java Servlets, 1-8, 2-11
multiple versions of the same document, 2-12
personalized attributes, 2-17
personalized greetings, 2-17
PL/SQL Server Pages (PSP), 1-8, 2-11
session-encoded URLs, 2-23

E

Edge Side Includes (ESI)
<!--esi---> tag, D-30
attempt tag, D-27
choose tag, D-23
comment tag, D-28
Cookie request-header field, 2-36
environment tag, D-21
examples
personalized greeting, 7-63
portal site, 7-44
Surrogate-Control response-header field, 7-67
except tag, D-27
exception and error handling, D-11
HTTP_ACCEPT_LANGUAGE variable, D-6
HTTP_COOKIE variable, D-6
HTTP_HEADER variable, D-6
HTTP_HOST variable, D-7
HTTP_REFERER variable, D-7
HTTP_USER_AGENT variable, D-7
include tag, D-14
inline tag, D-19
memory for, 6-15
otherwise tag, D-23
personalized greetings, 7-43
QUERY_STRING_DECODED variable, D-9
remove tag, D-29
Set-Cookie response-header field, 2-36
Surrogate-Capability request-header field, 2-2, 2-39
Surrogate-Control response-header field, 2-42, 7-64
try tag, D-27
vars tag, D-31
when tag, D-23
Edge Side Includes (ESI) cache hierarchies, 4-16
configuring, 6-49
deploying, 4-18
described, 1-16
Edge Side Includes (ESI) provider sites, 4-16
configuring, 6-26
deploying, 4-16
described, 1-10
embedded URL parameters
$ (dollar sign) symbol, 2-12
& (ampersand) symbol, 2-12
; (semi-colon) symbol, 2-12
? (question mark) symbol, 2-12
caching rules, 2-25
described, 2-12
ignoring the value of parameters, 2-22
session binding, 1-25
session-encoded URLs, 2-23
EncodeBase64.java file, 8-9
ENTRY element in statistics DTD, C-12, C-28
environment tag, Edge Side Includes (ESI), D-21
error messages in event log, E-11
ERRORS group name in statistics DTD, C-23
ETag request-header field, 2-4
ETag response-header field, 8-55
event logs
configuring settings, 8-51
described, 8-47
error messages, E-11
examples of, 8-48 to 8-50
finding errors, 8-51
format, 8-47
information messages, E-2
warning messages, E-5
event_log file, B-3
event_logyyyymmdd, 8-51
examples directory, A-2
except tag, Edge Side Includes (ESI), D-27
excluding the value of embedded URL parameters, 2-22
expiration
concepts of, 2-4
performance assurance heuristics, 7-18
expiration rules, 7-11, 7-17
by cache entry, 7-18
by document creation, 7-18
by HTTP Expires response-header field, 7-18
Expires response-header field, 7-18, 8-55
exporting list of contents, 8-45

F

failover
configuring, 6-43
for clusters, 6-55
connection request threshold, 6-24
described, 1-23
in clusters, 3-12
polling failed cluster members, 6-55
polling failed origin servers, 6-25
features, new
auto-restart process, xxxvi
cache cluster, xxxvi
cache hierarchy, xxxvi
cache status in Server response-header field, xxxix
caching selectors, xxxix
compression improvements, xxxix
Edge Side Includes (ESI), xl
Edge Side Includes (ESI) with Oracle extensions, xxxvi
HTTPS protocol support, xl
invalidation improvements, xl
invalidation preview, xxxvii
invalidation propagation, xxxvii
listing cache contents, xxxvii
Oracle Enterprise Manager support, xxxvii
proxy server support, xxxviii
Secure Sockets Layer (SSL), xl
site support, xxxviii
Surrogate-Control header, xxxix
webcachectl commands, xxxviii
firewalls and Oracle9iAS Web Cache deployments, 4-27
FoundationPersistentSessionID session, 7-37
FRESH_HITS group name in statistics DTD, C-20
FROM_DEMAND_TO_CLIENT group name in statistics DTD, C-20, C-21, C-22
FROM_OWNED_TO_CLIENT group name in statistics DTD, C-20, C-21, C-22
FROM_OWNED_TO_PEER group name in statistics DTD, C-20, C-21, C-22

G

garbage collection, 6-18
GET method, 7-3, 7-8
GET with query string method, 7-3, 7-8
grep command, 8-51
GROUP attribute in statistics DTD, C-12
GROUP element in statistics DTD, C-13, C-28
group ID for Oracle9iAS Web Cache administration, 6-5
group IDs in statistics DTD, C-13

H

HEADER element in invalidation DTD, C-6
HEADER element in invalidation message, 8-14, 8-15
high availability
with clusters, 3-4
with Oracle9iAS Web Cache, 1-6
HITS group name in statistics DTD, C-20
HOST attribute in invalidation DTD, C-5
HOST attribute in invalidation message, 8-13
Host request-header field, 8-55
HTTP error code caching rules, 7-14
HTTP request-header fields
Accept, 2-15, 8-55
Accept-Charset, 2-15
Accept-Encoding, 2-15
Accept-Language, 2-16
Authorization, 8-55
Cache-Control, 8-55
caching rules, 7-12, 7-22
Connection, 8-55
Content-Encoding, 8-55
Content-Language, 8-55
Content-Length, 8-55
Content-Type, 8-55
Cookie, 2-11, 8-56
category cookies, 2-14
session cookies, 2-21
Date, 8-55
described, 2-13
ETag, 2-4
Host, 8-55
If-Modified-Since, 2-2, 8-55
If-None-Match, 8-55
Keep-Alive, 6-13, 10-16
Last-Modified, 2-2, 8-55
Pragma, 8-56
Range, 2-2, 8-56
Referer, 8-55
supported by Oracle9iAS Web Cache Manager, 7-12
Surrogate-Capability, 2-39, 8-56
Surrogate-Control, 2-39
TE, 8-56
User-Agent, 2-16, 8-56
Via, 8-56
HTTP response-header fields
Cache-Control, 8-55
Content-Disposition, 7-10
Content-Encoding, 7-10, 8-55
Content-Language, 8-55
Content-Length, 8-55
Content-Type, 8-55
Date, 8-55
ETag, 8-55
Expires, 7-18, 8-55
Last-Modified, 8-55
Pragma, 8-55
Server, 2-40, 8-55, 10-9
Set-Cookie, 2-11, 6-46, 8-56
category cookies, 2-14
session cookies, 2-21
Surrogate-Control, 2-42, 7-64, 8-56
Transfer-Encoding, 8-55
Via, 8-55
HTTP_ACCEPT_LANGUAGE variable, D-6
HTTP_CLIENT_REQUESTS group name in statistics DTD, C-19
HTTP_COOKIE variable, D-6
HTTP_HEADER variable, D-6
HTTP_HOST variable, D-7
HTTP_REFERER variable, D-7
HTTP_REQUESTS group name in statistics DTD, C-19
HTTP_USER_AGENT variable, D-7
httpd.conf file, 6-8
HTTPS requests
administration port, 6-41
configuring, 6-37 to 6-42
deploying, 4-10
invalidation port, 6-41
listening port, 6-6
Oracle9iAS Web Cache listening port, 6-41
overview, 1-27
statistics monitoring port, 6-41

I

IBM WebSphere Application Server, Version 4.0, F-10
ID attribute in invalidation response, 8-21
ID attribute in invalidation response DTD, C-8
If-Modified-Since request-header field, 2-2, 8-55
If-None-Match request-header field, 8-55
ignoring the value of embedded URL parameters, 2-22
include tag, Edge Side Includes (ESI), D-14
INFO attribute in invalidation response DTD, C-7
INFO element in invalidation message, 8-15
INFO element in invalidation response, 8-21
information messages in event log, E-2
inline tag, Edge Side Includes (ESI), D-19
internal_admin.xml file, A-3
internal.dtd file, A-2
internal.xml
overview, 5-14
internal.xml file, A-3
INV_GLOBAL_TIMEOUT attribute in webcache.xml file, 10-11
INV_PEER_TIMEOUT attribute in webcache.xml file, 10-12
invalidate.c file, 8-30
INVALIDATED_OBJECT group name in statistics DTD, C-20
Invalidate.java file, 8-30
invalidate.sh file, 8-30
invalidate.sql file, 8-30
invalidation
concepts of, 2-4
for clusters, 2-10, 3-6
described, 1-9
mechanisms
applications, 8-30
database triggers, 8-31
HTTP POST messages, 8-8
Oracle9iAS Web Cache Manager, 8-24
scripts, 8-31
performance assurance heuristics, 8-28
port number, 6-9
previewing list, 8-17, 8-27
propagating messages
cache cluster, 2-10, 6-55, 8-29
cache hierarchy, 2-7
invalidation coordinator, 2-10, 3-6
invalidation directory, A-3
invalidation DTD, C-2
INVALIDATION element in invalidation DTD, C-4
invalidation messages
ACTION element, 8-15, C-6
ADVANCEDSELECTOR element, 8-13, C-5
BASICSELECTOR element, 8-13, C-5
BODYEP attribute, 8-14
BODYEXP attribute, C-5
compatibility with release 1.0, 8-16
COOKIE element, 8-14, C-5
HEADER element, 8-14, 8-15, C-6
HOST attribute, 8-13, C-5
INFO element, 8-15, C-6
INFO element in invalidation DTD, C-6
INVALIDATION element, C-4
invalidation.dtd, A-3
METHOD attribute, 8-14, C-5
NAME attribute, 8-14, 8-15, C-5, C-6
OBJECT element, 8-13, C-5
OTHER element, C-6
regular expression
. (period) symbol, 8-13, 8-25
" (double quotes) symbol, 8-16, 8-25
$ (dollar sign) symbol, 8-13, 8-25
& (ampersand) symbol, 8-16, 8-25
* (asterisk) symbol, 8-13, 8-25
< (less than sign) symbol>, 8-16, 8-25
> (greater than sign) symbol, 8-16, 8-25
? (question mark) symbol, 8-13, 8-25
[ ] (brackets) symbol, 8-13, 8-25
\ (backslash) symbol, 8-13, 8-25
^ (caret), 8-13, 8-25
{ } (braces) symbol, 8-13, 8-25
' (single quotes) symbol, 8-16
REMOVALTTL attribute, 8-15, C-6
SYSTEM element, 8-12, C-4
SYSTEMINFO element, 8-12, C-4
TYPE attribute, 8-15, C-6
URI attribute, 8-13, C-5
URIPEXP attribute, 8-13
URIPREFIX attribute, 8-13, C-5
VALUE attribute, 8-14, 8-15, C-5, C-6
VERSION attribute, 8-12, 8-20, C-4
WCSinvalidation.dtd, A-3
WCSinvalidation.dtd file, C-2
invalidation ports, 6-10
invalidation preview messages
INVALIDATIONPREVIEW element, C-9
MAXNUM attribute, 8-18, C-9
STARTNUM attribute, 8-18, C-9
SYSTEM element, C-9
SYSTEMINFO element, C-9
VERSION attribute, 8-18, C-9
invalidation preview responses
ADVANCEDSELECTOR element, C-10
BASICSELECTOR element, C-10
NUMURLS attribute, 8-23, C-10
SELECTEDURL element, 8-23, C-10
STARTNUM attribute, 8-23, C-10
STATUS attribute, 8-23, C-10
TOTALNUMURLS attribute, 8-23, C-10
VERSION attribute, 8-23
invalidation responses, 8-21, C-7, C-8
ADVANCEDSELECTOR element, C-8, C-9
BASICSELECTOR element, C-8, C-9
ID attribute, 8-21, C-8
INFO element, 8-21, C-7
invalidation.dtd, A-3
INVALIDATIONRESULT element, C-7, C-10
NUMINV attribute, 8-21, C-8
OBJECTRESULT element, C-7
RESULT element, 8-21, C-8
STATUS attribute, 8-21, C-8
syntax of, 8-12, 8-18, 8-23
SYSTEM element, 8-20, C-7
SYSTEMINFO element, 8-20, C-7
VERSION attribute, C-7, C-10
WCSinvalidation.dtd, A-3
WCSinvalidation.dtd file, C-2
INVALIDATION_REQUESTS group name in statistics DTD, C-20
invalidation.dtd file, A-3
INVALIDATIONINDEX element in webcache.xml file, 10-13
INVALIDATIONPREVIEW element in invalidation preview DTD, C-9
INVALIDATIONRESULT element in invalidation preview response DTD, C-10
INVALIDATIONRESULT element in invalidation response DTD, C-7
invalidator user
default password, B-1
setting the password, 6-3

J

Java Server Pages (JSP), 1-8, 2-11
Java Servlets, 1-8, 2-11
jawc.jar, 8-30
jlib directory, A-2
Jserv limitation, 10-16
JSESSIONID session, 7-37

K

Keep-Alive request-header field, 6-13, 10-16

L

L7 (Layer 7) switches, 4-8
Last-Modified request-header field, 2-2, 8-55
Last-Modified response-header field, 8-55
LATENCY group name in statistics DTD, C-26
lib directory, A-2
LISTEN element in webcache.xml file, 10-4
Listening Ports page in Oracle9iAS Web Cache Manager, 6-6
load balancing
configuring, 6-43
described, 1-21
Local timestamp conversion issue, 8-51, 8-59
logs directory, A-3

M

maximum cache size, configuring, 6-14
MAXNUM attribute in invalidation preview DTD, C-9
MAXNUM attribute in invalidation preview message, 8-18
memory
calculating, 6-15
configuring, 6-14
ESI and, 6-15
mesg directory, A-3
METHOD attribute in invalidation DTD, C-5
METHOD attribute in invalidation message, 8-14
Microsoft Internet Information Server (IIS) 5.0, F-15
MISSES group name in statistics DTD, C-21
multiple versions of the same document, 2-12
cookie values, 2-13, 7-20
HTTP request headers, 2-13, 7-12, 7-22

N

NAME attribute in invalidation DTD, C-5, C-6
NAME attribute in invalidation message, 8-14, 8-15
NAME attribute in statistics DTD, C-12
netstat -a command, 6-19
network connections
on UNIX, 6-20
on Windows, 6-22
network throughput in clusters, 3-4
Network Timeouts page in Oracle9iAS Web Cache Manager, 6-13
network traffic reduction with Oracle9iAS Web Cache, 1-6
network_error.html file, 6-30
NETWORK_ERRORS group name in statistics DTD, C-23
new features
auto-restart process, xxxvi
cache cluster, xxxvi
cache hierarchy, xxxvi
cache status in Server response-header field, xxxix
caching selectors, xxxix
compression improvements, xxxix
Edge Side Includes (ESI), xl
Edge Side Includes (ESI) with Oracle extensions, xxxvi
invalidation improvements, xl
invalidation preview, xxxvii
invalidation propagation, xxxvii
listing cache contents, xxxvii
Oracle Enterprise Manager support, xxxvii
protocol support, xl
proxy server support, xxxviii
Secure Sockets Layer (SSL), xl
site support, xxxviii
Surrogate-Control header, xxxix
webcachectl commands, xxxviii
NONCACHEABLE_MISSES group name in statistics DTD, C-22
NUMINV attribute in invalidation response, 8-21
NUMINV invalidation response attribute, C-8
NUMURLS attribute in invalidation preview response, 8-23
NUMURLS attribute in invalidation preview response DTD, C-10

O

OBJECT element in invalidation DTD, C-5
OBJECT element in invalidation message, 8-13
OBJECTRESULT invalidation request element, C-7
on-demand content, 3-3
OPEN_CONNECTIONS group name in statistics DTD, C-18, C-26
Operations page in Oracle9iAS Web Cache Manager, 6-10
Oracle Enterprise Manager
described, 5-8
troubleshooting startup failures, 10-4
Oracle9i Application Server with Oracle9iAS Web Cache, 1-2
Oracle9iAS Clickstream Intelligence, 1-31, 8-60
Oracle9iAS Discoverer, 1-31
Oracle9iAS Forms Services, 1-31
Oracle9iAS Portal, 1-31
Oracle9iAS Reports Services, 1-31
Oracle9iAS Single Sign-On, 1-32
Oracle9iAS Web Cache
admin server process, 5-9, 8-2
auto-restart process, 5-9, 8-2
benefits
cost savings, 1-6
high availability, 1-6
network traffic reduction, 1-6
performance, 1-5
scalability, 1-5
cache server process, 5-9, 8-2
compatibility
Oracle9iAS Clickstream Intelligence, 1-31
Oracle9iAS Discoverer, 1-31
Oracle9iAS Forms Services, 1-31
Oracle9iAS Portal, 1-31
Oracle9iAS Reports Services, 1-31
Oracle9iAS Single Sign-On, 1-32
Oracle9iAS Wireless, 1-32
deploying
cache cluster, 4-23
distributed cache hierarchies, 4-29
Edge Side Includes (ESI) cache hierarchies, 4-16
Edge Side Includes (ESI) provider sites, 4-16
failover pair, 4-6
HTTPS requests, 4-10
inside a firewall, 4-26
multiple application Web servers, 4-5
multiple sites, 4-16
one application Web server, 4-2
outside a firewall, 4-28
proxy servers, 4-21
Web site acceleration, 4-8
described, 1-2
dynamically generated content caching, 1-8
features
backend failover, 1-23
compression, 1-30
invalidation, 1-9
load balancing, 1-21
performance assurance, 1-9
restricted administration, 1-27
Secure Sockets Layer (SSL), 1-27
security, 1-27
session binding, 1-25
static content caching, 1-8
surge protection, 1-20
invaliding documents, 8-24
performance monitoring, 9-4
population of the cache, 2-2
scalability, 1-5
with Oracle9i Application Server, 1-2
Oracle9iAS Web Cache Manager
administration
cluster configuration, 6-54
invalidating content, 8-24
propagating configuration to other cluster members, 6-59, 8-5
restarting Oracle9iAS Web Cache, 6-36
starting Oracle9iAS Web Cache, 8-3
cache-specific configuration
access logs, 8-59
administration ports, 6-10
cache memory, 6-14
connection limit, 6-19
event logs, 8-51
invalidation listening ports, 6-10
network time-outs, 6-13
Oracle9iAS Web Cache listening ports, 6-6
resource limits, 6-14
session binding, 6-44
statistics monitoring ports, 6-10
wallet configuration, 6-41
described, 5-2
general configuration
application Web server configuration, 6-23
application Web server settings, 6-23
caching rules, 7-8 to 7-15
caching rules for HTTP error codes, 7-14
caching rules for multiple versions of the same document, 7-11, 7-12, 7-20, 7-22
caching rules for personalized attributes, 7-27
caching rules for session-encoded URLs, 7-25
caching rules for sessions, 7-36
compression, 7-10
Edge Side Includes (ESI) permission, 7-9
expiration rules, 7-11, 7-17
load balancing, 6-43
origin server wallet configuration, 6-25
proxy server configuration, 6-23
proxy server settings, 6-23
security settings, 6-3
session binding, 6-44
site configuration, 6-26, 6-31
site to server mapping, 6-28
monitoring
application Web server performance statistics, 9-8
cache contents, 8-44
cache health, 9-2
Oracle9iAS Web Cache performance statistics, 9-4
proxy server performance statistics, 9-8
navigator pane, 5-5
restarting Oracle9iAS Web Cache, 6-36
right pane, 5-7
starting, 5-3
status messages, 5-5
Oracle9iAS Wireless, 1-32
OracleHOME_NAMEWebCache service, 5-9, 5-10, 6-12, 6-38, 6-39, 8-2, 8-4
OracleHOME_NAMEWebCacheAdmin service, 5-9, 6-39, 8-2, 8-4
OracleHOME_NAMEWebCacheMon service, 5-9, 6-12, 6-39, 8-2, 8-4
origin server statistics group in statistics DTD, C-24
Origin Server Wallet page in Oracle9iAS Web Cache Manager, 6-25
origin servers. See application Web servers or proxy servers
OTHER element in invalidation DTD, C-6
otherwise tag, Edge Side Includes (ESI), D-23
owned content, 3-3
OWNED group name in statistics DTD, C-15, C-16
OWNER_UNKNOWN group name in statistics DTD, C-22
ownership of content in cache clusters, 3-6

P

PARAM element in statistics DTD, C-12
partial page caching
caching rules, 7-41
configuring, 7-41
described, 2-26
examples
personalized greetings, 7-63
portal site, 7-44
Surrogate-Control response-header field, 7-67
Surrogate-Control response-header field, 7-64
PARTIAL_PAGE_ERRORS group name in statistics DTD, C-23
PAsid session, 7-37
PAuserid session, 7-37
PAxonnxn session, 7-37
performance assurance heuristics, 1-9, 2-5
application Web server load, 2-6
described, 2-4
expiration, 7-18
introduced, 1-9
invalidation, 8-28
popularity, 2-5
proxy server load, 2-6
validity, 2-5
performance benefits with Oracle9iAS Web Cache, 1-5
performance monitoring
application Web servers, 9-8
Oracle9iAS Web Cache, 9-4
proxy servers, 9-8
personalized attributes
caching rules, 7-27
controlling how requests are served, 2-20, 7-36
Edge Side Includes (ESI), 7-43
WEBCACHEEND tag, 2-17, 7-27, 7-29
WEBCACHETAG tag, 2-17, 7-27, 7-29
personalized greetings. See personalized attributes
PID group name in statistics DTD, C-15
PL/SQL Server Pages (PSP), 1-8, 2-11
popular documents
in clusters, 3-3, 3-4
listing, 8-44
popularity, 2-5
populating the cache, 2-2
port conflicts, 10-2
ports
1024, 5-9, 10-5
4000, 6-9, B-1
4001, 6-9, B-1
4002, 6-9, B-1
4443, 6-6, B-1
4444, 6-23
7001, F-3
7777, 6-6, B-1
7778, 6-23
80, F-3
invalidation, 6-10
listening port, 6-6
statistics monitoring, 6-10
POSIX 1003 extended regular expressions, 7-4
POST method, 7-3, 7-8
Pragma request-header field, 8-56
Pragma response-header field, 8-55
preview invalidation, 8-17, 8-27
privileged ports, 10-5
propagating configuration changes, 6-59
propagating invalidation messages
cache cluster, 6-55, 8-29
cache hierarchy, 2-7
provider caches
configuring, 6-49
described, 1-16
proxy servers
capacity, 6-23
configuring, 6-23
deploying, 4-21
failover, 1-23
connection request threshold, 6-24
polling failed servers, 6-25
load, 2-6
load balancing
configuration, 6-43
described, 1-21
performance monitoring, 9-8
session binding
configuring, 6-44
described, 1-25
Proxy Servers page in Oracle9iAS Web Cache Manager, 6-23

Q

QUERY_STRING_DECODED variable, D-9

R

Range request-header field, 2-2, 8-56
readme.examples.html file, 8-9, 8-30, 8-31
Referer request-header field, 8-55
REFRESHES group name in statistics DTD, C-22
regular expression, 7-4
. (period) symbol, 7-4, 8-13, 8-25
" (double quotes) symbol, 8-16, 8-25
$ (dollar sign) symbol, 7-4, 8-13, 8-25
& (ampersand) symbol, 8-16, 8-25
* (asterisk) symbol, 7-4, 8-13, 8-25
< (less than sign) symbol>, 8-16, 8-25
> (greater than sign) symbol, 8-16, 8-25
? (question mark) symbol, 7-4, 8-13, 8-25
[ ] (brackets) symbol, 8-13, 8-25
\ (backslash) symbol, 7-4, 8-13, 8-25
^ (caret) symbol, 7-4, 8-13, 8-25
{ } (braces) symbol, 8-13, 8-25
' (single quotes) symbol, 8-16
remote caches
configuring, 6-47
described, 1-16
REMOVALTTL attribute in invalidation DTD, C-6
REMOVALTTL attribute in invalidation message, 8-15
remove tag, Edge Side Includes (ESI), D-29
REQUESTS group name in statistics DTD, C-25
Resource Limits page in Oracle9iAS Web Cache Manager, 6-20
restarting Oracle9iAS Web Cache
after configuration changes, 6-36
automatically, 6-12
RESULT element in invalidation response, 8-21
RESULT element in invalidation response DTD, C-8
reverse proxy server, 1-2
rootmode parameter, 5-13
RULE group name in statistics DTD, C-16
rules for creating caching rules, 7-2
runtime statistics group in statistics DTD, C-18
general statistics, C-18
timed statistics, C-19

S

scalability
with cache clusters, 3-4
with Oracle9iAS Web Cache, 1-5
Secure Sockets Layer (SSL). See HTTPS requests
SECURITY element in webcache.xml file, 10-9, 10-10, 10-12
security features
HTTPS requests, 1-27
restricted administration, 1-27
Security page in Oracle9iAS Web Cache Manager, 6-3
security settings, 6-3
SELECTEDURL element in invalidation preview response, 8-23
SELECTEDURL element in invalidation preview response DTD, C-10
SERVER group name in statistics DTD, C-25
Server response-header field, 2-40, 10-9
access logs, 8-55
diagnostic information, 2-40
disabling, 10-10
displaying in the response body, 10-9
session binding
configuring, 6-44
described, 1-25
Session Binding page in Oracle9iAS Web Cache Manager, 6-44
session cookies
caching rules, 2-25
described, 2-21
session binding, 1-25
session-encoded URLs, 2-23
SESSION_COUNT group name in statistics DTD, C-18
session-encoded URLs
caching rules, 7-25
described, 2-23
sessions
caching rules, 7-36
session-encoded URLs, 7-25
controlling how requests are served, 2-25, 7-36
ignoring the value of embedded URL parameters, 7-23
serving popular pages from the cache, 7-40
Set-Cookie response-header field, 6-46, 8-56
category cookies, 2-14
described, 2-11
session cookies, 2-21
with Edge Side Includes (ESI), 2-36
Site Definitions page in Oracle9iAS Web Cache Manager, 6-26, 6-31
SITE group name in statistics DTD, C-24
site information group in statistics DTD, C-24
Site to Server Mapping page in Oracle9iAS Web Cache Manager, 6-28
SITE_BUSY_ERRORS group name in statistics DTD, C-23
sites
caching rules, 1-14
configuration overview, 1-14
configuring, 6-26 to 6-35
deploying, 4-16
ESI providers sites, 1-10
virtual host sites, 1-10
STALE_HITS group name in statistics DTD, C-21
starting
Oracle9iAS Web Cache, 6-12, 8-2
Oracle9iAS Web Cache Manager, 5-3, 6-2
STARTNUM attribute in invalidation preview DTD, C-9
STARTNUM attribute in invalidation preview message, 8-18
STARTNUM attribute in invalidation preview response, 8-23
STARTNUM attribute in invalidation preview response DTD, C-10
startup failures, 10-2
startup failures from Oracle Enterprise Manager, 10-4
static content caching, 1-8
statistics
cache size, 6-18
memory, 6-18
Oracle9iAS Web Cache, 9-4
Oracle9iAS Web Cache health, 9-2
origin servers, 9-8
statistics DTD, C-11
attributes, C-12
cache information groups, C-15
elements, C-12
examples, C-29
groups, C-13
origin server statistics group, C-24
query methods, C-28
runtime statistics group, C-18
site information group, C-24
template, C-32
URL statistics group, C-27
statistics monitoring requests
format, C-28
port number, 6-9, 6-10
wcstats.dtd file, C-11
statistics monitoring responses
wcstats.dtd file, C-11
STATUS attribute in invalidation preview response, 8-23
STATUS attribute in invalidation preview response DTD, C-10
STATUS attribute in invalidation response, 8-21
STATUS attribute in invalidation response DTD, C-8
status messages in Oracle9iAS Web Cache Manager, 5-5
stopping Oracle9iAS Web Cache, 8-2
subscriber caches
configuring, 6-49
described, 1-16
surge protection, 1-20
Surrogate-Capability request-header field, 2-2, 2-39, 8-56
Surrogate-Control response-header field, 2-42, 7-64, 8-56
content="ESI/1.0" control directive, 7-65
content="ESI-Inline/1.0" control directive, 7-65
content="ORAESI/9.0.2" control directive, 7-65
content="webcache/1.0" control directive, 7-65
max-age control directive, 7-65
no-store control directive, 7-66
no-store-remote control directive, 7-66
vary control directive, 7-66
SYSTEM element in invalidation DTD, C-4
SYSTEM element in invalidation message, 8-12
SYSTEM element in invalidation preview DTD, C-9
SYSTEM element in invalidation response, 8-20
SYSTEM element in invalidation response DTD, C-7
SYSTEMINFO element in invalidation DTD, C-4
SYSTEMINFO element in invalidation message, 8-12
SYSTEMINFO element in invalidation preview DTD, C-9
SYSTEMINFO element in invalidation response, 8-20
SYSTEMINFO element in invalidation response DTD, C-7

T

targets.xml file, 10-4
TE request-header field, 8-56
TIME group name in statistics DTD, C-15
TOTALNUMURLS attribute in invalidation preview response, 8-23
TOTALNUMURLS attribute in invalidation preview response DTD, C-10
Transfer-Encoding response-header field, 8-55
troubleshooting
administrator password, 10-17
application Web server capacity, 10-15
browser limitations, 10-18
cache memory, 10-5
caching rules, 10-8
connection limit, 10-6
Content-Length request-header field discrepancies, 10-15
diagnostic information in the response body, 10-9
GMT to local timestamp, 8-51, 8-59
invalidation time-outs, 10-11
Jserv generation of 200 status codes on exceptions, 10-16
port conflicts, 10-2
privileged ports, 10-5
query string invalidations, 10-12
startup failures, 10-2
startup failures from Oracle Enterprise Managers, 10-4
wallet configuration, 10-6
trusted subnet for Oracle9iAS Web Cache administration, 6-3
try tag, Edge Side Includes (ESI), D-27
ttcp utility, 6-19
TYPE attribute in invalidation DTD, C-6
TYPE attribute in invalidation message, 8-15

U

URI attribute in invalidation DTD, C-5
URI attribute in invalidation message, 8-13
URIEXP attribute in invalidation message, 8-13
URIPREFIX attribute in invalidation DTD, C-5
URIPREFIX attribute in invalidation message, 8-13
URL group name in statistics DTD, C-27
URL statistics group in statistics DTD, C-27
URL_STATS group name in statistics DTD, C-27
user ID for Oracle9iAS Web Cache administration, 6-5
User-Agent request-header field, 2-16, 8-56
utl_proc.sql script, 8-31
UTL_TCP Oracle supplied package, 8-31

V

validity, 2-5
VALUE attribute in invalidation DTD, C-5, C-6
VALUE attribute in invalidation message, 8-14, 8-15
VALUE attribute in statistics DTD, C-12
vars tag, Edge Side Includes (ESI), D-31
VERSION attribute in invalidation DTD, C-4
VERSION attribute in invalidation preview DTD, C-9
VERSION attribute in invalidation preview message, 8-18
VERSION attribute in invalidation preview response, 8-23
VERSION attribute in invalidation preview response DTD, C-10
VERSION attribute in invalidation response, 8-20
VERSION attribute in invalidation response DTD, C-7
VERSION element in invalidation message, 8-12
Via request-header field, 8-56
Via response-header field, 8-55
virtual host sites
configuring, 6-26
described, 1-10

W

wallets
configuring
application Web server, 6-25
Oracle9iAS Web Cache, 6-41
proxy server, 6-25
considerations for Windows, 6-39
described, 1-29
warning messages in event log, E-5
WCSinvalidation.dtd file, A-3, C-2
WCSTATS element in statistics DTD, C-12
wcstats.dtd file, A-2, C-11
Web caching
benefits
cost savings, 1-6
high availability, 1-6
network traffic reduction, 1-6
performance, 1-5
scalability, 1-5
described, 1-4
webcache_contents.txt file, 8-45
webcache20.dtd file, A-2
webcacheadmin.pid file, A-3
webcachectl executable, A-2
webcachectl reset command, 5-10
webcachectl restart command, 5-11, 6-36
webcachectl restartcache command, 5-11
webcachectl start command, 5-12, 6-2
webcachectl startadm command, 5-11, 5-12
webcachectl startcache command, 5-12
webcachectl status command, 5-13, 8-3
webcachectl stop command, 5-13
webcachectl stopadm command, 5-13
webcachectl stopcache command, 5-13
webcachectl utility
coreok parameter, 5-13
obtaining the status of Oracle9iAS Web Cache, 8-3
restarting Oracle9iAS Web Cache, 6-36
rootmode parameter, 5-13
starting Oracle9iAS Web Cache, 8-3
stopping Oracle9iAS Web Cache, 8-3
syntax, 5-10
webcached executable, A-2
webcache.dtd file, A-2
WEBCACHEEND tag for personalized attributes, 2-17, 7-27, 7-29
webcachemon executable, A-2
webcachemon.pid file, A-3
webcache.pid file, A-3, E-12
WEBCACHETAG tag for personalized attributes, 2-17, 7-27, 7-29
webcachetargets.xml file, A-3
webcache.xml file, 10-12, A-3
CALYPSONETINFO element, 10-11, 10-12
DEBUGINFO HEADER attribute, 10-9, 10-10
described, 5-14
INV_GLOBAL_TIMEOUT attribute, 10-11
INV_PEER_TIMEOUT attribute, 10-12
INVALIDATIONINDEX element, 10-13
LISTEN element, 10-4
SECURITY element, 10-9, 10-10, 10-12
when tag, Edge Side Includes (ESI), D-23
wxvappl.sql, 8-30
wxvutil.sql file, 8-30

Z

zone.properties file, 10-16

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