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  1. Percona Server for MySQL
  2. PS-6951

Document RocksDB variables: rocksdb_delete_cf, rocksdb_enable_iterate_bounds, and rocksdb_enable_remove_orphaned_dropped_cfs

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      Description

      Implemented at https://github.com/percona/percona-server/pull/3723

      1. Mark the `rocksdb_read_free_rpl_tables` variable as disabled because it's dangerous to use. Please use "rocksdb_read_free_rpl" instead.

      2. Add a new variable "rocksdb_delete_cf":

         :dyn: Yes
         :scope: Global
         :vartype: String
         :default: "" (empty string)
      
      "Delete column family by name e.g."
      "SET @@global.ROCKSDB_DELETE_CF = 'cf_primary_key'"
      

      3. Add a new variable "rocksdb_enable_iterate_bounds":

         :dyn: Yes
         :scope: Global, Local
         :vartype: BOOL
         :default: TRUE
      
         "Enable rocksdb iterator upper/lower bounds in read options."
      

      4. Add a new variable "rocksdb_enable_remove_orphaned_dropped_cfs":

         :dyn: Yes
         :scope: Global
         :vartype: BOOL
         :default: TRUE
      
                               "Enables removing dropped cfs from metadata if it "
                               "doesn't exist in cf manager",
      

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              Assignee:
              patrick.birch Patrick Birch
              Reporter:
              przemyslaw.skibinski Przemyslaw Skibinski
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