Ceph » CephFS

pdonnell@senta02 ~/ceph/build$ bin/ceph tell mds.* cache drop
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2018-10-04 17:19:56.732 7fccd8bbb700 -1 WARNING: all dangerous and experimental features are enabled.
2018-10-04 17:19:56.820 7fccd8bbb700 -1 WARNING: all dangerous and experimental features are enabled.
2018-10-04 17:19:56.896 7fcc9d7fa700  0 client.4213 ms_handle_reset on 127.0.0.1:6826/4155109441
Invalid command: missing required parameter timeout(<int[1-]>)
cache drop <int[1-]> :  trim cache and optionally request client to release all caps and flush the journal
Error EINVAL: invalid command
pdonnell@senta02 ~/ceph/build$ bin/ceph tell mds.* cache drop 30
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2018-10-04 17:20:18.800 7fa92c9fa700 -1 WARNING: all dangerous and experimental features are enabled.
2018-10-04 17:20:18.884 7fa92c9fa700 -1 WARNING: all dangerous and experimental features are enabled.
2018-10-04 17:20:18.968 7fa8f4ff9700  0 client.4216 ms_handle_reset on 127.0.0.1:6826/4155109441
2018-10-04 17:20:19.104 7fa8f5ffb700  0 client.4219 ms_handle_reset on 127.0.0.1:6826/4155109441
{   
    "client_recall": {
        "return_code": 0,
        "message": "(0) Success" 
    },
    "flush_journal": {
        "return_code": 0,
        "message": "" 
    },
    "cache": {
        "pool": {
            "items": 179,
            "bytes": 44592
        }
    }
}