Deprecated since version 1.9.0: This function is deprecated because its behavior does not match what

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1.30.4                                            Jun 08, 2025                    MONGOC_CLIENT_POOL_MIN_SIZE(3)

       • pool: A mongoc_client_pool_t.

       • min_pool_size: The number of idle clients to keep in the pool.

          void
          mongoc_client_pool_min_size (mongoc_client_pool_t *pool,
                                       uint32_t min_pool_size);

       This  function sets the maximum number of idle clients to be kept in the pool. Any idle clients in excess
       of the maximum are destroyed.

       This function is safe to call from multiple threads.

       Subsequent calls to mongoc_client_pool_push() respect the new minimum size, and close the least  recently
       used mongoc_client_t if the minimum size is exceeded.

          Deprecated  since  version 1.9.0: This function is deprecated because its behavior does not match what
          developers expect from a "minimum pool size", and its actual behavior is likely to hurt performance.

          Applications should not call this function, they should instead accept the default behavior, which  is
          to keep all idle clients that are pushed into the pool.