Hi, is there a guide or recommendation to optimized SSD settings for hammer? We have: CPU E5-1650 v3 @ 3.50GHz (12 core incl. HT) 10x SSD / Node journal and fs on the same ssd currently we're runnig: - with auth disabled - all debug settings to 0 and ms_nocrc = true osd_op_num_threads_per_shard = 2 osd_op_num_shards = 12 filestore_fd_cache_size = 512 filestore_fd_cache_shards = 32 ms_dispatch_throttle_bytes = 0 osd_client_message_size_cap = 0 osd_client_message_cap = 0 osd_enable_op_tracker = false filestore_op_threads = 8 filestore_min_sync_interval = 1 filestore_max_sync_interval = 10 Thanks! Greets, Stefan _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com