Hi members, We have 21 hosts for ceph OSD servers, each host has 12 SATA disks (4TB each), 64GB memory. ceph version 10.2.0, Ubuntu 16.04 LTS The whole cluster is new installed.
Can you help check what the arguments we put in ceph.conf is reasonable or not? thanks. [osd] osd_data = /var/lib/ceph/osd/ceph-$id osd_journal_size = 20000 osd_mkfs_type = xfs osd_mkfs_options_xfs = -f filestore_xattr_use_omap = true filestore_min_sync_interval = 10 filestore_max_sync_interval = 15 filestore_queue_max_ops = 25000 filestore_queue_max_bytes = 10485760 filestore_queue_committing_max_ops = 5000 filestore_queue_committing_max_bytes = 10485760000 journal_max_write_bytes = 1073714824 journal_max_write_entries = 10000 journal_queue_max_ops = 50000 journal_queue_max_bytes = 10485760000 osd_max_write_size = 512 osd_client_message_size_cap = 2147483648 osd_deep_scrub_stride = 131072 osd_op_threads = 8 osd_disk_threads = 4 osd_map_cache_size = 1024 osd_map_cache_bl_size = 128 osd_mount_options_xfs = "rw,noexec,nodev,noatime,nodiratime,nobarrier" osd_recovery_op_priority = 4 osd_recovery_max_active = 10 osd_max_backfills = 4 [client] rbd_cache = true rbd_cache_size = 268435456 rbd_cache_max_dirty = 134217728 rbd_cache_max_dirty_age = 5
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