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1 | ====================================== |
2 | Pool, PG and CRUSH Config Reference | |
3 | ====================================== | |
4 | ||
5 | .. index:: pools; configuration | |
6 | ||
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7 | Ceph uses default values to determine how many placement groups (PGs) will be |
8 | assigned to each pool. We recommend overriding some of the defaults. | |
9 | Specifically, we recommend setting a pool's replica size and overriding the | |
10 | default number of placement groups. You can set these values when running | |
11 | `pool`_ commands. You can also override the defaults by adding new ones in the | |
12 | ``[global]`` section of your Ceph configuration file. | |
7c673cae FG |
13 | |
14 | ||
15 | .. literalinclude:: pool-pg.conf | |
16 | :language: ini | |
17 | ||
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18 | .. confval:: mon_max_pool_pg_num |
19 | .. confval:: mon_pg_stuck_threshold | |
20 | .. confval:: mon_pg_warn_min_per_osd | |
21 | .. confval:: mon_pg_warn_min_objects | |
22 | .. confval:: mon_pg_warn_min_pool_objects | |
23 | .. confval:: mon_pg_check_down_all_threshold | |
24 | .. confval:: mon_pg_warn_max_object_skew | |
25 | .. confval:: mon_delta_reset_interval | |
26 | .. confval:: osd_crush_chooseleaf_type | |
27 | .. confval:: osd_crush_initial_weight | |
28 | .. confval:: osd_pool_default_crush_rule | |
29 | .. confval:: osd_pool_erasure_code_stripe_unit | |
30 | .. confval:: osd_pool_default_size | |
31 | .. confval:: osd_pool_default_min_size | |
32 | .. confval:: osd_pool_default_pg_num | |
33 | .. confval:: osd_pool_default_pgp_num | |
34 | .. confval:: osd_pool_default_pg_autoscale_mode | |
35 | .. confval:: osd_pool_default_flags | |
36 | .. confval:: osd_max_pgls | |
37 | .. confval:: osd_min_pg_log_entries | |
38 | .. confval:: osd_max_pg_log_entries | |
39 | .. confval:: osd_default_data_pool_replay_window | |
40 | .. confval:: osd_max_pg_per_osd_hard_ratio | |
11fdf7f2 | 41 | |
7c673cae FG |
42 | .. _pool: ../../operations/pools |
43 | .. _Monitoring OSDs and PGs: ../../operations/monitoring-osd-pg#peering | |
44 | .. _Weighting Bucket Items: ../../operations/crush-map#weightingbucketitems |