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V4.3.5

ODP 概述
安装部署
基本操作
配置参数
- 配置项说明
- 配置项总览
- 全局配置项
  - automatic_match_work_thread
  - block_thread_num
  - cache_cleaner_clean_interval
  - check_tenant_locality_change
  - client_max_connections
  - client_max_memory_size
  - client_session_id_version
  - client_sock_option_flag_out
  - client_tcp_keepcnt
  - client_tcp_keepidle
  - client_tcp_keepintvl
  - client_tcp_user_timeout
  - cluster_count_high_water_mark
  - cluster_expire_time
  - config_server_refresh_interval
  - congestion_fail_window
  - congestion_failure_threshold
  - congestion_retry_interval
  - connection_diagnosis_option
  - connection_pool_mode
  - connect_observer_max_retries
  - current_local_config_version
  - default_buffer_water_mark
  - default_inactivity_timeout
  - delay_exit_time
  - delay_update_entry_interval
  - detect_server_timeout
  - digest_sql_length
  - enable_abort_conn_info
  - enable_async_log
  - enable_async_pull_location_cache
  - enable_auto_restart
  - enable_bad_route_reject
  - enable_binlog_service
  - enable_cached_server
  - enable_causal_order_read
  - enable_client_connection_lru_disconnect
  - enable_client_ip_checkout
  - enable_cluster_checkout
  - enable_compression_protocol
  - enable_congestion
  - enable_connection_diagnosis
  - enable_cpu_isolate
  - enable_cpu_topology
  - enable_crash_error_log
  - enable_cross_shard_txn
  - enable_extra_prometheus_metric
  - enable_flow_control
  - enable_full_link_trace
  - enable_full_username
  - enable_get_rslist_remote
  - enable_global_ps_cache
  - enable_index_route
  - enable_monitor_stat
  - enable_ob_protocol_v2
  - enable_obproxy_rpc_service
  - enable_partition_table_route
  - enable_performance_mode
  - enable_pl_route
  - enable_primary_zone
  - enable_prometheus
  - enable_proxy_scramble
  - enable_qa_mode
  - enable_qos
  - enable_report_session_stats
  - enable_reroute
  - enable_scan_all_request
  - enable_sequence_prefetch
  - enable_sharding
  - enable_single_leader_node_routing
  - enable_standby
  - enable_stat
  - enable_strict_kernel_release
  - enable_strict_stat_time
  - enable_sync_all_stats
  - enable_syslog_file_compress
  - enable_syslog_wf
  - enable_trace
  - enable_trace_stats
  - enable_trans_detail_stats
  - enable_transaction_internal_routing
  - enable_xa_route
  - fetch_proxy_bin_random_time
  - fetch_proxy_bin_timeout
  - flow_consumer_reenable_threshold
  - flow_event_queue_threshold
  - flow_high_water_mark
  - flow_low_water_mark
  - grpc_client_num
  - grpc_thread_num
  - hot_upgrade_exit_timeout
  - hot_upgrade_failure_retries
  - hot_upgrade_rollback_timeout
  - idc_list_refresh_interval
  - ignore_local_config
  - internal_cmd_mem_limited
  - ip_listen_mode
  - is_need_skip_delay_interval_schema_changed
  - ldg_info_refresh_interval
  - listen_port
  - local_bound_ip
  - local_bound_ipv6_ip
  - log_cleanup_interval
  - log_dir_size_threshold
  - log_file_percentage
  - long_async_task_timeout
  - max_log_file_size
  - max_syslog_file_count
  - max_syslog_file_time
  - mem_leak_check_class_name
  - mem_leak_check_mod_name
  - metadb_server_state_refresh_interval
  - min_congested_connect_timeout
  - min_keep_congestion_interval
  - monitor_cost_ms_unit
  - monitor_item_limit
  - monitor_item_max_idle_period
  - monitor_log_level
  - monitor_stat_dump_interval
  - monitor_stat_high_threshold
  - monitor_stat_low_threshold
  - monitor_stat_middle_threshold
  - need_convert_vip_to_tname
  - net_accept_threads
  - net_config_poll_timeout
  - normal_pl_update_threshold
  - obproxy_config_server_url
  - obproxy_sys_password
  - partition_location_expire_relative_time
  - prometheus_cost_ms_unit
  - prometheus_listen_port
  - prometheus_sync_interval
  - protocol_diagnosis_level
  - proxy_cluster
  - proxy_hot_upgrade_check_interval
  - proxy_id
  - proxy_info_check_interval
  - proxy_local_cmd
  - proxy_mem_limited
  - qa_mode_mock_public_cloud_slb_addr
  - qos_stat_clean_interval
  - qos_stat_item_limit
  - refresh_idc_list
  - refresh_json_config
  - refresh_rslist
  - request_buffer_length
  - rootservice_list
  - rpc_client_net_write_timeout
  - rpc_client_net_read_timeout
  - routing_cache_mem_limited
  - rpc_async_task_thread_num
  - rpc_async_pull_batch_max_size
  - rpc_async_pull_batch_max_times
  - rpc_async_pull_batch_wait_interval
  - rpc_ctx_expire_time
  - rpc_enable_async_analyze
  - rpc_enable_async_pull_batch_tablets
  - rpc_enable_direct_expire_route_entry
  - rpc_enable_congestion
  - rpc_enable_global_index
  - rpc_enable_force_srv_black_list
  - rpc_enable_lower_case_table_names
  - rpc_enable_reroute
  - rpc_enable_parallel_handler
  - rpc_enable_requestsm_info
  - rpc_force_srv_black_list
  - rpc_enable_retry_request_info_log
  - rpc_force_use_original_redis_protocol
  - rpc_max_response_batch_size
  - rpc_listen_port
  - rpc_max_request_batch_size
  - rpc_max_server_table_entry_num
  - rpc_net_timeout_base
  - rpc_request_timeout
  - rpc_redis_operation_timeout
  - rpc_period_task_interval
  - rpc_redis_default_user_name
  - rpc_redis_default_database_name
  - rpc_partition_calc_max_retries
  - rpc_redis_max_monitor_num
  - rpc_request_max_retries
  - rpc_request_retry_waiting_time
  - rpc_request_server_entry_max_retries
  - rpc_request_timeout_delta
  - rpc_server_entry_expire_time
  - rpc_server_net_invalid_time_us
  - rpc_server_net_handler_expire_time
  - rpc_server_net_max_pending_request
  - rpc_srv_session_pool_inactive_timeout
  - rpc_service_mode
  - rpc_support_key_partition_shard_request
  - rpc_sub_request_isolation_mode
  - rpc_sub_request_weight
  - rpc_sub_req_max_retries
  - scan_buffered_rows_warning_threshold
  - sequence_entry_expire_time
  - sequence_fail_retry_count
  - sequence_prefetch_threshold
  - server_detect_fail_threshold
  - server_detect_mode
  - server_detect_refresh_interval
  - server_protocol
  - server_routing_mode
  - server_state_refresh_interval
  - server_tcp_init_cwnd
  - server_tcp_keepcnt
  - server_tcp_keepidle
  - server_tcp_keepintvl
  - server_tcp_user_timeout
  - session_pool_idle_timeout
  - session_pool_reset_interval
  - session_pool_stat_log_interval
  - session_pool_thread_num
  - session_pool_thread_schedule_interval
  - shard_scan_thread_num
  - short_async_task_timeout
  - skip_proxy_sys_private_check
  - skip_proxyro_check
  - slow_proxy_process_time_threshold
  - slow_transaction_time_threshold
  - sock_option_flag_out
  - sock_packet_mark_out
  - sock_packet_tos_out
  - sock_recv_buffer_size_out
  - sock_send_buffer_size_out
  - sql_table_cache_expire_relative_time
  - sql_table_cache_mem_limited
  - sqlaudit_mem_limited
  - stack_size
  - stat_dump_interval
  - stat_table_sync_interval
  - syslog_io_bandwidth_limit
  - syslog_level
  - table_entry_retry_build_limit
  - task_thread_num
  - tenant_location_valid_time
  - tunnel_request_size_threshold
  - username_separator
  - work_thread_num
  - xflush_log_level
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版本发布记录

shard_scan_thread_num

更新时间：2026-07-22 16:50:58

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shard_scan_thread_num 用于设置 ODP 分片扫描线程数，如果为 0，则使用（work_thread_num/2）。

属性	描述
参数类型	整数类型
默认值	0
取值范围	[0, 128]
是否重启 ODP 生效	是

work_thread_num 的详细介绍可参见 work_thread_num。

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shard_scan_thread_num - 数据库代理 V4.3.5 | OceanBase 文档中心