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V4.3.2

What is ODP?
Installation and deployment
- Deployment modes
- Deploy ODP by using OCP
- Overview
- Deploy ODP by using the CLI
- Deploy ODP by using obd
Basic operations
Configuration parameter
- Parameter summary
- View and modify parameters
- Global parameters
  - cache_cleaner_clean_interval
  - check_tenant_locality_change
  - client_max_connections
  - client_max_memory_size
  - client_tcp_user_timeout
  - cluster_count_high_water_mark
  - congestion_failure_threshold
  - default_inactivity_timeout
  - enable_binlog_service
  - enable_cached_server
  - enable_extra_prometheus_metric
  - enable_flow_control
  - enable_get_rslist_remote
  - enable_global_ps_cache
  - enable_index_route
  - enable_primary_zone
  - enable_prometheus
  - enable_standby
  - enable_stat
  - enable_syslog_wf
  - enable_trace
  - grpc_thread_num
  - hot_upgrade_failure_retries
  - hot_upgrade_rollback_timeout
  - ip_listen_mode
  - listen_port
  - log_dir_size_threshold
  - cache_cleaner_clean_interval
  - client_tcp_user_timeout
  - cluster_count_high_water_mark
  - congestion_failure_threshold
  - default_inactivity_timeout
  - enable_flow_control
  - enable_global_ps_cache
  - enable_prometheus
  - enable_syslog_wf
  - hot_upgrade_failure_retries
  - hot_upgrade_rollback_timeout
  - ip_listen_mode
  - log_dir_size_threshold
  - monitor_stat_high_threshold
  - normal_pl_update_threshold
  - partition_location_expire_relative_time
  - prometheus_listen_port
  - protocol_diagnosis_level
  - proxy_hot_upgrade_check_interval
  - rpc_enable_retry_request_info_log
  - rpc_force_srv_black_list
  - rpc_support_key_partition_shard_request
  - server_detect_mode
  - server_state_refresh_interval
  - sock_send_buffer_size_out
  - tunnel_request_size_threshold
  - username_separator
  - flow_event_queue_threshold
  - log_file_percentage
  - digest_sql_length
  - sock_recv_buffer_size_out
  - sequence_prefetch_threshold
  - current_local_config_version
  - client_sock_option_flag_out
  - monitor_stat_middle_threshold
  - enable_congestion
  - delay_update_entry_interval
  - local_bound_ip
  - enable_monitor_stat
  - refresh_idc_list
  - server_tcp_keepidle
  - stack_size
  - enable_async_log
  - enable_qos
  - enable_reroute
  - enable_qa_mode
  - rpc_server_net_max_pending_request
  - rpc_enable_congestion
  - enable_sync_all_stats
  - task_thread_num
  - max_log_file_size
  - short_async_task_timeout
  - flow_low_water_mark
  - sock_packet_tos_out
  - enable_connection_diagnosis
  - rpc_server_entry_expire_time
  - enable_performance_mode
  - request_buffer_length
  - rpc_server_net_invalid_time_us
  - rpc_sub_request_weight
  - enable_syslog_file_compress
  - ignore_local_config
  - monitor_cost_ms_unit
  - server_detect_fail_threshold
  - rpc_enable_global_index
  - sequence_entry_expire_time
  - fetch_proxy_bin_timeout
  - server_tcp_init_cwnd
  - sqlaudit_mem_limited
  - block_thread_num
  - enable_single_leader_node_routing
  - rpc_server_net_handler_expire_time
  - congestion_fail_window
  - need_convert_vip_to_tname
  - fetch_proxy_bin_random_time
  - server_tcp_keepintvl
  - monitor_item_limit
  - rpc_net_timeout_base
  - client_session_id_version
  - enable_partition_table_route
  - rpc_max_server_table_entry_num
  - long_async_task_timeout
  - ldg_info_refresh_interval
  - mem_leak_check_mod_name
  - sock_option_flag_out
  - rootservice_list
  - proxy_mem_limited
  - enable_sharding
  - proxy_local_cmd
  - enable_transaction_internal_routing
  - enable_sequence_prefetch
  - detect_server_timeout
  - enable_bad_route_reject
  - enable_cpu_topology
  - rpc_enable_direct_expire_route_entry
  - skip_proxy_sys_private_check
  - enable_async_pull_location_cache
  - client_tcp_keepintvl
  - enable_pl_route
  - tenant_location_valid_time
  - monitor_item_max_idle_period
  - config_server_refresh_interval
  - rpc_enable_force_srv_black_list
  - hot_upgrade_exit_timeout
  - enable_cpu_isolate
  - skip_proxyro_check
  - min_keep_congestion_interval
  - syslog_io_bandwidth_limit
  - rpc_listen_port
  - client_tcp_keepidle
  - refresh_json_config
  - enable_xa_route
  - net_accept_threads
  - routing_cache_mem_limited
  - server_tcp_user_timeout
  - shard_scan_thread_num
  - enable_full_username
  - rpc_max_request_batch_size
  - automatic_match_work_thread
  - connect_observer_max_retries
  - enable_compression_protocol
  - enable_abort_conn_info
  - rpc_request_timeout_delta
  - enable_obproxy_rpc_service
  - default_buffer_water_mark
  - enable_trans_detail_stats
  - enable_report_session_stats
  - rpc_srv_session_pool_inactive_timeout
  - slow_proxy_process_time_threshold
  - enable_ob_protocol_v2_with_client
  - obproxy_sys_password
  - monitor_stat_low_threshold
  - cluster_expire_time
  - proxy_info_check_interval
  - rpc_async_task_thread_num
  - rpc_period_task_interval
  - rpc_request_timeout
  - prometheus_sync_interval
  - monitor_log_level
  - qos_stat_clean_interval
  - monitor_stat_dump_interval
  - local_bound_ipv6_ip
  - enable_ob_protocol_v2
  - client_tcp_keepcnt
  - mem_leak_check_class_name
  - internal_cmd_mem_limited
  - flow_high_water_mark
  - server_detect_refresh_interval
  - grpc_client_num
  - enable_client_connection_lru_disconnect
  - server_tcp_keepcnt
  - enable_proxy_scramble
  - obproxy_config_server_url
  - enable_causal_order_read
  - sql_table_cache_expire_relative_time
  - max_syslog_file_count
  - enable_client_ip_checkout
  - idc_list_refresh_interval
  - enable_strict_stat_time
  - min_congested_connect_timeout
  - rpc_enable_reroute
  - log_cleanup_interval
  - delay_exit_time
  - enable_strict_kernel_release
  - rpc_enable_parallel_handler
  - refresh_rslist
  - enable_cluster_checkout
  - prometheus_cost_ms_unit
  - flow_consumer_reenable_threshold
  - rpc_max_response_batch_size
  - sequence_fail_retry_count
  - stat_dump_interval
  - slow_transaction_time_threshold
  - congestion_retry_interval
  - net_config_poll_timeout
  - enable_trace_stats
  - connection_diagnosis_option
  - rpc_redis_default_database_name
  - rpc_redis_default_user_name
  - rpc_redis_operation_timeout
  - rpc_service_mode
  - enable_full_link_trace
- Multi-level parameters
  - enable_read_write_split
  - obproxy_force_parallel_query_dop
  - proxy_primary_zone_name
  - enable_transaction_split
  - weakread_weight_zone
  - obproxy_read_consistency
  - read_stale_retry_interval
  - sql_firewall_config
  - rootservice_cluster_name
  - proxy_route_policy
  - route_diagnosis_level
  - proxy_tenant_name
  - proxy_idc_name
  - enable_rpc_throttle
  - binlog_service_ip
  - query_digest_time_threshold
  - enable_server_ssl
  - compression_algorithm
  - obproxy_read_only
  - enable_cloud_full_username
  - route_target_replica_type
  - observer_sys_password1
  - observer_query_timeout_delta
  - rpc_throttle_limit_qps_qa
  - enable_weak_reroute
  - target_db_server
  - slow_query_time_threshold
  - observer_sys_password
  - enable_client_ssl
  - rpc_request_throttle_waiting_time
  - mysql_version
  - rpc_throttle_trigger_percentage
  - ob_max_read_stale_time
  - ssl_attributes
Connection management
- Principles
- Network connection
- Client session
- Session status synchronization
- Configure a globally unique client session ID
- Server session
Data routing
- Automatic routing to the primary/standby tenants
- Factors affecting data routing
- Partitioning key types supported for routing by ODP
- Character set-based routing
- ODP routing
- Follower latency threshold
- Read/Write separation
- Function partition key routing
  - String functions
  - Numeric calculation functions
  - Overview
  - FAQ
  - Date calculation functions
- Intra-tenant routing
  - IP address-based routing
  - Global index table-based routing for strong-consistency reads
  - Partitioned table-based routing for strong-consistency reads
  - Replicated table-based routing for strong-consistency reads
  - Strategy-based routing
  - Distributed transaction routing
  - Primary zone-based routing for strong-consistency reads
  - Forcible routing
  - Weight-based load-balanced routing
  - Overview
  - Rerouting
Logs
- obproxy.log
- obproxy_stat.log
- obproxy_error.log
- obproxy_diagnosis.log
- obproxy_digest.log
- Overview
- obproxy_slow.log
Commands
- Overview
- Dedicated ODP commands
  - KILL
  - ALTER
  - ping
  - SHOW
- Compatible MySQL commands
  - SHOW RELAYLOG EVENTS
  - KILL
  - BINLOG
  - SHOW PROCESSLIST
  - SHOW SLAVE HOSTS
High availability mechanism
- High availability testing
- Overview
- High availability of ODP services
- High availability of OceanBase Database
OBKV
- Throttling
- RPC service port
- OBKV-Redis
Security and protocols
Operation and maintenance
- Troubleshooting logic
- Performance analysis
- Show Trace
- Routing diagnostics
  - Overview
  - Examples
  - Obtain diagnostic information
  - Diagnostic point troubleshooting
    - PARTITION_ENTRY_LOOKUP_DONE
    - PARTITION_ID_CALC_DONE
    - ROUTE_POLICY
    - HANDLE_RESPONSE
    - ROUTE_INFO
    - EXPR_PARSE
    - Overview
    - CONGESTION_CONTROL
    - RESOLVE_TOKEN
    - SQL_PARSE
    - FETCH_TABLE_RELATED_DATA
    - LOCATION_CACHE_LOOKUP
    - ROUTINE_ENTRY_LOOKUP_DONE
    - RESOLVE_EXPR
    - CALC_ROWID
    - CALC_PARTITION_ID
    - TABLE_ENTRY_LOOKUP_DONE
    - RETRY
- Memory leak diagnostics
- Connection diagnostics
- Prometheus monitoring
- SQL firewall
Release Notes
- Versioning rules
- Enterprise Edition
  - V3.2
    - ODP Enterprise Edition V3.2.11
    - ODP Enterprise Edition V3.2.3.5
  - V4.3
    - ODP Enterprise Edition V4.3.1
    - ODP Enterprise Edition V4.3.2
    - ODP Enterprise Edition V4.3.0
  - V4.2
    - ODP Enterprise Edition V4.2.3
    - ODP Enterprise Edition V4.2.2
    - ODP Enterprise Edition V4.2.1
  - V4.0
    - ODP Enterprise Edition V4.0.0
  - V4.1
    - ODP Enterprise Edition V4.1.0
- Community Edition
  - V4.2
    - ODP Community Edition V4.2.0
    - ODP Community Edition V4.2.1
    - ODP Community Edition V4.2.3
  - V4.3
    - ODP Community Edition V4.3.2
    - ODP Community Edition V4.3.1
  - V4.0
    - ODP Community Edition V4.0.0
  - V4.1
    - ODP Community Edition V4.1.0

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server_state_refresh_interval

Last Updated：2026-04-14 09:41:41 Updated

server_state_refresh_interval specifies the interval for refreshing the status of OceanBase Database, so as to obtain the latest status of zones or OBServer nodes.

Attribute	Description
Parameter type	INTERVAL
Default value	20s
Value range	[10ms, 1h]
Effective only after ODP restart	No

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