Oracle Web Cache Administration and Deployment Guide Release 1.0.2.3 Part Number A86722-03 |
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# Index

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

## Symbols

  $ (dollar sign) symbol
    regular expression, 6-3, 8-7, 8-12, C-3
  * (asterisk) symbol
    regular expression, 6-3, 8-7, 8-12, C-3
  ? (question mark) symbol
    regular expression, 6-3, 8-7, 8-12, C-3
  [ ] (brackets) symbol
    regular expression, 8-7, 8-12, C-3
  \ (backslash) symbol
    regular expression, 6-3, 8-7, 8-12, C-3
  ^ (carat) symbol
    regular expression, 6-3, 8-7, 8-12, C-3
  { } (braces) symbol
    regular expression, 8-7, 8-12, C-3
  · (period) symbol
    regular expression, 6-3, 8-7, 8-12, C-3

## Numerics

  1024 port, E-5
  1100 port, 5-9, B-1
  4000 port, B-1
  4001 port, 8-4, B-1
  4002 port, 9-2, B-1

## A

  Accept request header, 2-8
  Accept-Charset request header, 2-8
  Accept-Encoding request header, 2-8
  Accept-Language request header, 2-8
  access logs
    configuring settings for, 8-27
    described, 8-22
    disabling, 8-28
    examples of, 8-24 to 8-26
    format of, 8-23
    XLF fields, 8-23
  access_log file, B-2
  access_logyyyymmdd, 8-27
  Active Server Pages (ASP), 1-7, 2-5
  admin server process
    described, 8-2
    restriction, E-4
  administrator user, 5-2, B-1
  application Web servers
    capacity, 5-7
    concurrent connections, 2-3
    configuring for Oracle Web Cache, 5-7
    failover, 1-10
      connection request threshold, 5-8
      polling failed servers, 5-9
    load balancing
      configuration, 7-2
      described, 1-9
    load of, 2-3
    performance assurance, 2-3
    performance monitoring, 9-6
    session binding
      configuring, 7-3
      described, 1-12
  Application Web Servers page in Oracle Web Cache Manager, 5-7
  authoritative DNS server, 3-16

## B

  backend failover, 1-10
  bin directory, A-1
  binding, 1-12

## C

  Cache Cleanup page in Oracle Cache Manager, 8-11
  cache hit, 1-4
  cache memory configuration, 5-5
  cache memory, troubleshooting of, E-4
  cache miss, 1-4
  cache population, 2-2
  cache server process
    described, 8-2
    memory restriction, E-4
  cache size configuration, 5-5
  cacheability rules, 6-5 to 6-9
    default, 6-4
    overview, 6-2
    PDF documents, 6-4
  capacity
    described, 5-7
    troubleshooting of, E-7
  category cookies
    described, 2-7
    request and response value comparison, 2-7
  Common Gateway Interface (CGI), 1-7, 2-5
  compression
    configuration, 6-8
    described, 1-14
  configuring
    access logs, 8-27
    application Web server settings, 5-7
    cacheability rules, 6-5 to 6-9
    cacheability rules for HTTP error codes, 6-8
    cacheability rules for multiple versions of the same URL
      cookie values, 6-6, 6-14
      HTTP request headers, 6-15
    cacheability rules for personalized attributes, 6-8, 6-16
    cacheability rules for session tracking, 6-8, 6-24
    cacheability rules for session-encoded URLs, 6-8, 6-16
    compression, 6-8
    event logs, 8-21
    expiration rules, 6-5, 6-12
    failover of application Web servers, 7-2
    load balancing of application Web server, 7-2
    quick reference to procedures, 4-7
    resource limits, 5-5
    security settings, 5-2
    session binding to an application Web server, 7-3
  COOKIE invalidation message element, 8-9, C-4
  cookies
    cacheability rules
      documents with category cookies, 6-6, 6-14
      documents with personalized attributes, 6-8, 6-16
      documents with session cookies, 6-8, 6-24
    category cookies for multiple versions of the same URL, 2-7
    described, 1-12
    personalized attributes, 2-9
    session cookies
      for session binding, 1-12

## D

  deploying Oracle Web Cache
    for part of a Web site, 3-8
    in a distributed network, 3-14
    in a failover pair, 3-10
    inside a firewall, 3-12
    outside a firewall, 3-13
    with HTTPS requests, 3-4
    with multiple application Web servers, 3-6
    with one application Web server, 3-2
  directory structure
    bin directory, A-1
    docs directory, A-1
    examples directory, A-1
    invalidation directory, A-1
    logs directory, A-1
  DNS server, 1-4
  docs directory, A-1
  dynamically generated content caching, 1-7
    Active Server Pages (ASP), 1-7, 2-5
    Common Gateway Interface (CGI), 1-7, 2-5
    described, 2-5
    Java Server Pages (JSP), 1-7, 2-5
    Java Servlets, 1-7, 2-5
    multiple versions of the same URL, 2-6
    personalized attributes, 2-9
    personalized greetings, 2-9
    PL/SQL Server Pages (PSP), 1-7, 2-5
    session tracking, 2-11
    session-encoded URLs, 2-12

## E

  error messages in event log, D-5
  event logs
    configuring settings for, 8-21
    described, 8-19
    error messages, D-5
    examples of, 8-19 to 8-21
    finding errors, 8-21
    format of, 8-19
    information messages, D-2
    warning messages, D-4
  event_log file, B-2
  examples directory, A-1
  EXP invalidation message attribute, 8-7, C-3
  EXP invalidation response attribute, 8-10, C-5
  expiration
    concepts of, 2-2
    performance assurance heuristics, 6-13
    validity, 6-13
  expiration rules, 6-5, 6-12
    by cache entry, 6-12
    by document creation, 6-12
    by HTTP Expires header, 6-12
  Expires header, 6-12

## F

  failover
    configuring, 7-2
    connection request threshold, 5-8
    described, 1-10
    polling failed application Web servers, 5-9
  firewalls and Oracle Web Cache deployments, 3-13

## G

  GET methods, 6-5
  GET with query string method, 6-5
  grep command, 8-21
  group ID for Oracle Web Cache administration, 5-4

## H

  HEADER invalidation message element, 8-9, C-4
  HTTP error code cacheability rules, 6-8
  HTTP request headers, 2-7, 6-7
    Accept, 2-8
    Accept-Charset, 2-8
    Accept-Encoding, 2-8
    Accept-Language, 2-8
    cacheability rules for, 6-7, 6-15
    supported by Oracle Web Cache, 2-8
    User-Agent, 2-8
  HTTPS requests, 3-4

## I

  ID invalidation response attribute, 8-10, C-5
  information messages in event log, D-2
  Invalidate.java file, 8-15
  invalidating documents
    database triggers, 8-15
    HTTP POST messages, 8-6
    Oracle Web Cache Manager, 8-11
  invalidation
    concepts of, 2-2
    described, 1-8
    performance assurance heuristics, 8-14
    port number, 8-4, 9-2
    user, 5-2
    validity, 8-9, 8-14
  invalidation directory, A-1
  invalidation messages
    COOKIE element, 8-9, C-4
    EXP attribute, 8-7, C-3
    HEADER element, 8-9, C-4
    LEVEL attribute, 8-9, C-3
    NAME attribute, 8-9, C-4
    NONEXIST attribute, 8-9, C-4
    PREFIX attribute, 8-7, C-3
    REFRESHTIME attribute, 8-9, C-3
    regular expression
      . (period) symbol, 8-7, 8-12, C-3
      $ (dollar sign) symbol, 8-7, 8-12, C-3
      * (asterisk) symbol, 8-7, 8-12, C-3
      ? (question mark) symbol, 8-7, 8-12, C-3
      [ ] (brackets) symbol, 8-7, 8-12, C-3
      \ (backslash) symbol, 8-7, 8-12, C-3
      ^ (carat), 8-7, 8-12, C-3
      { } (braces) symbol, 8-7, 8-12, C-3
    syntax of, 8-7
    URL element, 8-7, C-3
    VALIDITY element, 8-9, C-3
    VALUE attribute, 8-9, C-4
  invalidation responses, 8-10, C-5
    EXP attribute, 8-10, C-5
    ID attribute, 8-10, C-5
    NUMINV attribute, 8-10, C-5
    STATUS attribute, 8-10, C-5
    syntax of, 8-7
    URL element, 8-10, C-5
  invalidator user, 5-2, B-1

## J

  Java Server Pages (JSP), 1-7, 2-5
  Java Servlets, 1-7, 2-5

## L

  L4 (Layer 4) switches
    HTTP requests, 3-4
  L7 (Layer 7) switch, 3-8
  LEVEL invalidation message attribute, 8-9, C-3
  load balancing
    configuring, 7-2
    described, 1-9
  Local timestamp conversion issue, 8-22, 8-27
  logs directory, A-1

## M

  multiple versions of the same URL, 2-6
    cookie values, 2-7
    HTTP request headers, 2-7
  multiple versions of the same URL cacheability rules
    cookie values, 6-7, 6-14
    HTTP request headers, 6-7, 6-15

## N

  NAME invalidation message attribute, 8-9, C-4
  netstat command, 5-5
  NONEXIST invalidation message attribute, 8-9, C-4
  NUMINV invalidation response attribute, 8-10, C-5

## O

  Oracle Web Cache
    admin server process, 8-2
    administration, 1-14
    benefits
      cost savings, 1-6
      high availability, 1-6
      network traffic reduction, 1-6
      performance, 1-5
      scalability, 1-5
    cache server process, 8-2
    deploying
      for part of a Web site, 3-8
      in a distributed network, 3-14
      in a failover pair, 3-10
      inside a firewall, 3-12
      outside a firewall, 3-13
      with HTTPS requests, 3-4
      with multiple application Web servers, 3-6
      with one application Web server, 3-2
    described, 1-2
    dynamically generated content caching, 1-7
    features
      backend failover, 1-10
      compression, 1-14
      invalidation, 1-8
      load balancing, 1-9
      performance assurance, 1-8
      security, 1-14
      session binding, 1-12
      static content caching, 1-7
      surge protection, 1-9
    performance monitoring, 9-5
    population of the cache, 2-2
    with Oracle9i Application Server, 1-2
  Oracle Web Cache Manager
    administering Oracle Web Cache
      event logs, 8-21
      invaliding documents, 8-11
      resource limits, 5-5
      security settings, 5-2
    administering Web sites
      access logs, 8-27
      application Web server settings, 5-7
      cacheability rules, 6-5 to 6-9
      cacheability rules for HTTP error codes, 6-8
      cacheability rules for multiple versions of the same URL, 6-6, 6-7, 6-14, 6-15
      cacheability rules for personalized attributes, 6-8, 6-16
      cacheability rules for session tracking, 6-8, 6-24
      cacheability rules for session-encoded URLs, 6-8, 6-16
      compression, 6-8
      expiration rules, 6-5, 6-12
      load balancing, 7-2
      session binding, 7-3
    applying changes, E-8
    described, 4-2
    introduced, 1-14
    monitoring application Web servers
      performance statistics, 9-6
    monitoring Oracle Web Cache
      cache health, 9-3
      performance statistics, 9-5
    navigator pane, 4-5
    restarting Oracle Web Cache, 5-10
    right pane, 4-6
    starting, 4-2
    starting Oracle Web Cache, 8-2
    status messages, 4-4
  Oracle9i Application Server with Oracle Web Cache, 1-2
  OracleHOME_NAMEWebCache service, 8-3
  OracleHOME_NAMEWebCacheAdmin service, 8-3

## P

  PDF documents, 6-4
  performance assurance
    described, 2-2
    introduced, 1-8
  performance assurance heuristics, 1-8, 2-3
    application Web server limit, 2-3
    application Web server load, 2-3
    concurrent connections, 2-3
    expiration, 6-13
    invalidation, 8-14
    popularity, 2-3
    validity, 2-3
  performance monitoring
    application Web servers, 9-6
    Oracle Web Cache, 9-5
  personalized attribute cacheability rules, 6-8, 6-16
  personalized attributes
    WEBCACHEEND HTML tag, 2-9, 6-17
    WEBCACHETAG HTML tag, 2-9, 6-17
  personalized greetings
    see personalized attributes
  PL/SQL Server Pages (PSP), 1-7, 2-5
  popularity, 2-3
  populating the cache, 2-2
  port conflicts, E-2
  ports
    1024, E-5
    1100, 5-9, B-1
    4000, B-1
    4001, 8-4, B-1
    4002, 9-2, B-1
  POSIX 1003 extended regular expressions, 6-3
  POST methods, 6-5
  PREFIX invalidation message attribute, 8-7, C-3
  privileged ports, E-5

## R

  README.examples.txt file, 8-15, A-1
  REFRESHTIME invalidation message attribute, 8-9, C-3
  regular expression, 6-3
    . (period) symbol, 6-3, 8-7, 8-12, C-3
    $ (dollar sign) symbol, 6-3, 8-7, 8-12, C-3
    * (asterisk) symbol, 6-3, 8-7, 8-12, C-3
    ? (question mark) symbol, 6-3, 8-7, 8-12, C-3
    [ ] (brackets) symbol, 8-7, 8-12, C-3
    \ (backslash) symbol, 6-3, 8-7, 8-12, C-3
    ^ (carat) symbol, 6-3, 8-7, 8-12, C-3
    { } (braces) symbol, 8-7, 8-12, C-3
  Resource Limits page in Oracle Web Cache Manager, 5-6
  restarting Oracle Web Cache, 5-10
  reverse proxy server, 1-2
  rules for creating cacheability rules, 6-2

## S

  security, 1-14
  Security page in Oracle Web Cache Manager, 5-2
  security settings, 5-2
  session binding
    configuring, 7-3
    described, 1-12
  session cookies
    described, 2-11
    request and response value comparison, 2-11, 6-24
  session tracking
    cacheability rules for, 6-8, 6-24
    described, 2-11
    serving the first request from the cache, 6-27
  session-encoded URLs
    cacheability rules for, 6-8, 6-16
    described, 2-12
  starting
    Oracle Web Cache, 5-2, 8-2
    Oracle Web Cache Manager, 4-2
  startup failures, E-2
  static content caching, 1-7
  STATUS invalidation response attribute, 8-10, C-5
  status messages in Oracle Web Cache Manager, 4-4
  stopping Oracle Web Cache, 8-2
  surge protection, 1-9

## T

  troubleshooting
    application Web server capacity, E-7
    cache memory, E-4
    caching PDF documents, 6-4
    GMT to local timestamp, 8-22, 8-27
    Oracle Web Cache Manager, E-8
    port conflicts, E-2
    privileged ports, E-5
    startup failures, E-2
    wrong or older cached content, E-7
  trusted subnet for Oracle Web Cache administration, 5-3

## U

  URL invalidation message element, 8-7, C-3
  URL invalidation response element, 8-10, C-5
  user ID for Oracle Web Cache administration, 5-4
  User-Agent request header, 2-8
  utl_proc.sql script, 8-15
  UTL_TCP Oracle supplied package, 8-15

## V

  validity, 2-3
  validity for expiration, 6-13
  validity for invalidation, 8-9, 8-14
  VALIDITY invalidation message element, 8-9, C-3
  VALUE invalidation message attribute, 8-9, C-4

## W

  warning messages in event log, D-4
  Web caching
    benefits
      cost savings, 1-6
      high availability, 1-6
      network traffic reduction, 1-6
      performance, 1-5
      scalability, 1-5
    described, 1-3
  webcachectl start command, 4-6, 5-2, 5-10
  webcachectl status command, 4-6, 8-2
  webcachectl stop command, 4-6, 5-10
  webcachectl utility
    obtaining the status of Oracle Web Cache, 8-2
    restarting Oracle Web Cache, 5-10
    starting Oracle Web Cache, 8-2
    stopping Oracle Web Cache, 8-2
  webcachectl utility syntax, 4-6
  webcached executable, A-1
  WEBCACHEEND HTML tag for personalized attributes, 2-9, 6-17
  WEBCACHETAG HTML tag for personalized attributes, 2-9, 6-17
  webcache.xml, A-1
  webcache.xml file, E-3

## X

  XLF fields for access logs, 8-23

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