[root@node1 ~]# ceph daemon mon.node1 config show | more {

"name": "mon.node1",
"cluster": "ceph",
"admin_socket": "/var/run/ceph/ceph-mon.node1.asok",
"admin_socket_mode": "",
"auth_client_required": "cephx",
"auth_cluster_required": "cephx",
"auth_debug": "false",
"auth_mon_ticket_ttl": "43200.000000",
"auth_service_required": "cephx",
"auth_service_ticket_ttl": "3600.000000",
"auth_supported": "",
"bdev_aio": "true",
"bdev_aio_max_queue_depth": "1024",
"bdev_aio_poll_ms": "250",
"bdev_aio_reap_max": "16",
"bdev_async_discard": "false",
"bdev_block_size": "4096",
"bdev_debug_aio": "false",
"bdev_debug_aio_suicide_timeout": "60.000000",
"bdev_debug_inflight_ios": "false",
"bdev_enable_discard": "false",
"bdev_inject_crash": "0",
"bdev_inject_crash_flush_delay": "2",
"bdev_nvme_retry_count": "-1",
"bdev_nvme_unbind_from_kernel": "false",
"bluefs_alloc_size": "1048576",
"bluefs_allocator": "stupid",
"bluefs_buffered_io": "true",
"bluefs_compact_log_sync": "false",
"bluefs_log_compact_min_ratio": "5.000000",
"bluefs_log_compact_min_size": "16777216",
"bluefs_max_log_runway": "4194304",
"bluefs_max_prefetch": "1048576",
"bluefs_min_flush_size": "524288",
"bluefs_min_log_runway": "1048576",
"bluefs_preextend_wal_files": "false",
"bluefs_sync_write": "false",
"bluestore_2q_cache_kin_ratio": "0.500000",
"bluestore_2q_cache_kout_ratio": "0.500000",
"bluestore_allocator": "stupid",
"bluestore_bitmapallocator_blocks_per_zone": "1024",
"bluestore_bitmapallocator_span_size": "1024",
"bluestore_blobid_prealloc": "10240",
"bluestore_block_create": "true",
"bluestore_block_db_create": "false",
"bluestore_block_db_path": "",
"bluestore_block_db_size": "0",
"bluestore_block_path": "",
"bluestore_block_preallocate_file": "false",
"bluestore_block_size": "10737418240",
"bluestore_block_wal_create": "false",
"bluestore_block_wal_path": "",
"bluestore_block_wal_size": "100663296",
"bluestore_bluefs": "true",
"bluestore_bluefs_balance_failure_dump_interval": "0.000000",
"bluestore_bluefs_balance_interval": "1.000000",
"bluestore_bluefs_env_mirror": "false",
"bluestore_bluefs_gift_ratio": "0.020000",
"bluestore_bluefs_max_ratio": "0.900000",
"bluestore_bluefs_min": "1073741824",
"bluestore_bluefs_min_free": "1073741824",
"bluestore_bluefs_min_ratio": "0.020000",
"bluestore_bluefs_reclaim_ratio": "0.200000",
"bluestore_cache_autotune": "true",
"bluestore_cache_autotune_chunk_size": "33554432",
"bluestore_cache_autotune_interval": "5.000000",
"bluestore_cache_kv_ratio": "0.400000",
"bluestore_cache_meta_ratio": "0.400000",
"bluestore_cache_size": "0",
"bluestore_cache_size_hdd": "1073741824",
"bluestore_cache_size_ssd": "3221225472",
"bluestore_cache_trim_interval": "0.050000",
"bluestore_cache_trim_max_skip_pinned": "64",
"bluestore_cache_type": "2q",
"bluestore_clone_cow": "true",
"bluestore_compression_algorithm": "snappy",
"bluestore_compression_max_blob_size": "0",
"bluestore_compression_max_blob_size_hdd": "524288",
"bluestore_compression_max_blob_size_ssd": "65536",
"bluestore_compression_min_blob_size": "0",
"bluestore_compression_min_blob_size_hdd": "131072",
"bluestore_compression_min_blob_size_ssd": "8192",
"bluestore_compression_mode": "none",
"bluestore_compression_required_ratio": "0.875000",
"bluestore_csum_type": "crc32c",
"bluestore_debug_freelist": "false",
"bluestore_debug_fsck_abort": "false",
"bluestore_debug_inject_bug21040": "false",
"bluestore_debug_inject_csum_err_probability": "0.000000",
"bluestore_debug_inject_read_err": "false",
"bluestore_debug_misc": "false",
"bluestore_debug_no_reuse_blocks": "false",
"bluestore_debug_omit_block_device_write": "false",
"bluestore_debug_omit_kv_commit": "false",
"bluestore_debug_permit_any_bdev_label": "false",
"bluestore_debug_prefill": "0.000000",
"bluestore_debug_prefragment_max": "1048576",
"bluestore_debug_random_read_err": "0.000000",
"bluestore_debug_randomize_serial_transaction": "0",
"bluestore_debug_small_allocations": "0",
"bluestore_default_buffered_read": "true",
"bluestore_default_buffered_write": "false",
"bluestore_deferred_batch_ops": "0",