addDirectiveAdds a new Cache Directive.
Usage:
hdfs cacheadmin -addDirective -path <path> -pool <pool-name> [-force] [-replication <replication>] [-ttl <time-to-live>]
Options:
Option Description <path>The path to the cache directory or file. <pool-name>The Cache Pool to which the Cache Directive will be added. You must have Write permission for the Cache Pool in order to add new directives. <-force>Skips checking of Cache Pool resource limits. <replication>The UNIX-style permissions assigned to the pool. Permissions are specified in octal, e.g., 0755. Pool permissions are set to 0755 by default. <limit>The cache replication factor to use. Defaults to 1. <time-to-live>How long the directive is valid. This can be specified in minutes, hours, and days, e.g., 30m, 4h, 2d. Valid units are [smhd]. A value of "never" indicates a directive that never expires. If unspecified, the directive never expires. removeDirectiveRemoves a Cache Directive.
Usage:
hdfs cacheadmin -removeDirective <id>
Options:
Option Description <id>The ID of the Cache Directive to remove. You must have Write permission for the pool that the directive belongs to in order to remove it. You can use the -listDirectivescommand to display a list of Cache Directive IDs.removeDirectivesRemoves all of the Cache Directives in a specified path.
Usage:
hdfs cacheadmin -removeDirectives <path>
Options:
Option Description <path>The path of the Cache Directives to remove. You must have Write permission for the pool that the directives belong to in order to remove them. You can use the -listDirectivescommand to display a list of Cache Directives.listDirectivesReturns a list of Cache Directives.
Usage:
hdfs cacheadmin -listDirectives [-stats] [-path <path>] [-pool <pool>]
Options:
Option Description <path>List only the Cache Directives in this path. Note that if there is a Cache Directive in the <path>that belongs to a Cache Pool for which you do not have Read access, it will not be listed.<pool>Only list the Cache Directives in the specified Cache Pool. <-stats>List path-based Cache Directive statistics.
