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Posted to yarn-issues@hadoop.apache.org by "Grant Sohn (JIRA)" <ji...@apache.org> on 2017/05/03 20:45:04 UTC
[jira] [Created] (YARN-6554) ResourceManagerRest.md should document
and "{{", "}}" meanings
Grant Sohn created YARN-6554:
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Summary: ResourceManagerRest.md should document <CPS> and "{{", "}}" meanings
Key: YARN-6554
URL: https://issues.apache.org/jira/browse/YARN-6554
Project: Hadoop YARN
Issue Type: Bug
Components: site
Reporter: Grant Sohn
Priority: Trivial
The docs should mention the meaning of <CPS>, "{{" and "}}". These are explained fully in the code.
{noformat}
063 /**
064 * This constant is used to construct class path and it will be replaced with
065 * real class path separator(':' for Linux and ';' for Windows) by
066 * NodeManager on container launch. User has to use this constant to construct
067 * class path if user wants cross-platform practice i.e. submit an application
068 * from a Windows client to a Linux/Unix server or vice versa.
069 */
070 @Public
071 @Unstable
072 public static final String CLASS_PATH_SEPARATOR= "<CPS>";
073
074 /**
075 * The following two constants are used to expand parameter and it will be
076 * replaced with real parameter expansion marker ('%' for Windows and '$' for
077 * Linux) by NodeManager on container launch. For example: {{VAR}} will be
078 * replaced as $VAR on Linux, and %VAR% on Windows. User has to use this
079 * constant to construct class path if user wants cross-platform practice i.e.
080 * submit an application from a Windows client to a Linux/Unix server or vice
081 * versa.
082 */
083 @Public
084 @Unstable
085 public static final String PARAMETER_EXPANSION_LEFT="{{";
086
087 /**
088 * User has to use this constant to construct class path if user wants
089 * cross-platform practice i.e. submit an application from a Windows client to
090 * a Linux/Unix server or vice versa.
091 */
092 @Public
093 @Unstable
094 public static final String PARAMETER_EXPANSION_RIGHT="}}";
095
{noformat}
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