Issue the cm flush command to discard data from specific files or directories:
$ cm flush [-path {filename | directory_name}...]
The -path option names each file or directory that you want to flush from the cache. If a directory_name is used, the Cache Manager flushes the name mappings and the blocks associated only with the directory, not with the files in the directory. If this option is omitted, the current working directory is flushed.