projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 20effc67 TL |
1 | # -*- mode: YAML -*- |
| 2 | --- | |
| 3 | ||
| 4 | options: | |
| 5 | - name: crimson_osd_obc_lru_size | |
| 6 | type: uint | |
| 7 | level: advanced | |
| 8 | desc: Number of obcs to cache | |
| 9 | default: 10 | |
| 10 | - name: crimson_osd_scheduler_concurrency | |
| 11 | type: uint | |
| 12 | level: advanced | |
| 13 | desc: The maximum number concurrent IO operations, 0 for unlimited | |
| 14 | default: 0 | |
| 15 | - name: crimson_alien_op_num_threads | |
| 16 | type: uint | |
| 17 | level: advanced | |
| 18 | desc: The number of threads for serving alienized ObjectStore | |
| 19 | default: 6 | |
| 20 | flags: | |
| 21 | - startup | |
| 1e59de90 TL |
22 | - name: crimson_seastar_smp |
| 23 | type: uint | |
| 24 | level: advanced | |
| 25 | desc: Number of seastar reactor threads to use for the osd | |
| 26 | default: 1 | |
| 27 | flags: | |
| 28 | - startup | |
| 20effc67 TL |
29 | - name: crimson_alien_thread_cpu_cores |
| 30 | type: str | |
| 31 | level: advanced | |
| 1e59de90 | 32 | desc: CPU cores on which alienstore threads will run in cpuset(7) format |
| 20effc67 TL |
33 | - name: seastore_segment_size |
| 34 | type: size | |
| 35 | desc: Segment size to use for SegmentManager | |
| 36 | level: advanced | |
| 37 | default: 64_M | |
| 38 | - name: seastore_device_size | |
| 39 | type: size | |
| 40 | desc: Total size to use for SegmentManager block file if created | |
| 41 | level: dev | |
| 1e59de90 | 42 | default: 50_G |
| 20effc67 TL |
43 | - name: seastore_block_create |
| 44 | type: bool | |
| 45 | level: dev | |
| 46 | desc: Create SegmentManager file if it doesn't exist | |
| 47 | default: true | |
| 48 | see_also: | |
| 49 | - seastore_device_size | |
| 20effc67 TL |
50 | - name: seastore_journal_batch_capacity |
| 51 | type: uint | |
| 52 | level: dev | |
| 53 | desc: The number limit of records in a journal batch | |
| 54 | default: 16 | |
| 55 | - name: seastore_journal_batch_flush_size | |
| 56 | type: size | |
| 57 | level: dev | |
| 58 | desc: The size threshold to force flush a journal batch | |
| 59 | default: 16_M | |
| 60 | - name: seastore_journal_iodepth_limit | |
| 61 | type: uint | |
| 62 | level: dev | |
| 63 | desc: The io depth limit to submit journal records | |
| 64 | default: 5 | |
| 65 | - name: seastore_journal_batch_preferred_fullness | |
| 66 | type: float | |
| 67 | level: dev | |
| 68 | desc: The record fullness threshold to flush a journal batch | |
| 69 | default: 0.95 | |
| 70 | - name: seastore_default_max_object_size | |
| 71 | type: uint | |
| 72 | level: dev | |
| 73 | desc: default logical address space reservation for seastore objects' data | |
| 74 | default: 16777216 | |
| 75 | - name: seastore_default_object_metadata_reservation | |
| 76 | type: uint | |
| 77 | level: dev | |
| 78 | desc: default logical address space reservation for seastore objects' metadata | |
| 79 | default: 16777216 | |
| 80 | - name: seastore_cache_lru_size | |
| 81 | type: size | |
| 82 | level: advanced | |
| 83 | desc: Size in bytes of extents to keep in cache. | |
| 84 | default: 64_M | |
| 1e59de90 TL |
85 | - name: seastore_obj_data_write_amplification |
| 86 | type: float | |
| 87 | level: advanced | |
| 88 | desc: split extent if ratio of total extent size to write size exceeds this value | |
| 89 | default: 1.25 | |
| 90 | - name: seastore_max_concurrent_transactions | |
| 91 | type: uint | |
| 92 | level: advanced | |
| 93 | desc: maximum concurrent transactions that seastore allows | |
| 94 | default: 8 | |
| 95 | - name: seastore_main_device_type | |
| 96 | type: str | |
| 97 | level: dev | |
| 98 | desc: The main device type seastore uses (SSD or RANDOM_BLOCK_SSD) | |
| 99 | default: SSD | |
| 100 | - name: seastore_cbjournal_size | |
| 101 | type: size | |
| 102 | level: dev | |
| 103 | desc: Total size to use for CircularBoundedJournal if created, it is valid only if seastore_main_device_type is RANDOM_BLOCK | |
| 104 | default: 5_G | |
| 105 | - name: seastore_multiple_tiers_stop_evict_ratio | |
| 106 | type: float | |
| 107 | level: advanced | |
| 108 | desc: When the used ratio of main tier is less than this value, then stop evict cold data to the cold tier. | |
| 109 | default: 0.5 | |
| 110 | - name: seastore_multiple_tiers_default_evict_ratio | |
| 111 | type: float | |
| 112 | level: advanced | |
| 113 | desc: Begin evicting cold data to the cold tier when the used ratio of the main tier reaches this value. | |
| 114 | default: 0.6 | |
| 115 | - name: seastore_multiple_tiers_fast_evict_ratio | |
| 116 | type: float | |
| 117 | level: advanced | |
| 118 | desc: Begin fast eviction when the used ratio of the main tier reaches this value. | |
| 119 | default: 0.7 |