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+.. _rados_config_pool_pg_crush_ref:
+
+======================================
+ Pool, PG and CRUSH Config Reference
+======================================
+
+.. index:: pools; configuration
+
+Ceph uses default values to determine how many placement groups (PGs) will be
+assigned to each pool. We recommend overriding some of the defaults.
+Specifically, we recommend setting a pool's replica size and overriding the
+default number of placement groups. You can set these values when running
+`pool`_ commands. You can also override the defaults by adding new ones in the
+``[global]`` section of your Ceph configuration file.
+
+
+.. literalinclude:: pool-pg.conf
+ :language: ini
+
+.. confval:: mon_max_pool_pg_num
+.. confval:: mon_pg_stuck_threshold
+.. confval:: mon_pg_warn_min_per_osd
+.. confval:: mon_pg_warn_min_objects
+.. confval:: mon_pg_warn_min_pool_objects
+.. confval:: mon_pg_check_down_all_threshold
+.. confval:: mon_pg_warn_max_object_skew
+.. confval:: mon_delta_reset_interval
+.. confval:: osd_crush_chooseleaf_type
+.. confval:: osd_crush_initial_weight
+.. confval:: osd_pool_default_crush_rule
+.. confval:: osd_pool_erasure_code_stripe_unit
+.. confval:: osd_pool_default_size
+.. confval:: osd_pool_default_min_size
+.. confval:: osd_pool_default_pg_num
+.. confval:: osd_pool_default_pgp_num
+.. confval:: osd_pool_default_pg_autoscale_mode
+.. confval:: osd_pool_default_flags
+.. confval:: osd_max_pgls
+.. confval:: osd_min_pg_log_entries
+.. confval:: osd_max_pg_log_entries
+.. confval:: osd_default_data_pool_replay_window
+.. confval:: osd_max_pg_per_osd_hard_ratio
+
+.. _pool: ../../operations/pools
+.. _Monitoring OSDs and PGs: ../../operations/monitoring-osd-pg#peering
+.. _Weighting Bucket Items: ../../operations/crush-map#weightingbucketitems