Hi all, I have observed that in a Nautilus (14.2.6) cluster the mds process in the MDS server is consuming a large amount of memory, for example in a MDS server with 128 GB of RAM I have observed the mds process it's consuming ~ 80 GB: ceph 20 0 78,8g 77,1g 13772 S 4,0 61,5 28:37.62 ceph-mds Sometimes I have observed consumption of 127 GB, so the MDS starts to give slow request errors. In theory in the configuration I have limited the mds_cache_memory_limit to a 64 GB: [mds] mds_cache_memory_limit = 68719476736 client_oc_size = 104857600 mds_min_caps_per_client = 200 mds_log_max_expiring = 200 mds_log_max_segments = 250 What could be the reason for this excessive memory consumption? -- ******************************************************* Andrés Rojas Guerrero Unidad Sistemas Linux Area Arquitectura Tecnológica Secretaría General Adjunta de Informática Consejo Superior de Investigaciones Científicas (CSIC) Pinar 19 28006 - Madrid Tel: +34 915680059 -- Ext. 990059 email: a.rojas@csic.es ID comunicate.csic.es: @50852720l:matrix.csic.es *******************************************************