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Connectors and Middleware

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Tools

OceanBase Cloud PlatformOceanBase Migration ServiceOceanBase Developer CenterOceanBase Migration AssessmentOceanBase Admin ToolOceanBase Loader and DumperOceanBase DeployerKubernetes operator for OceanBaseOceanBase Diagnostic Tool OceanBase Binlog Service
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OceanBase Database Proxy

V4.4.0
  • What is ODP?
  • Installation and deployment
    • Overview
    • Deploy ODP by using obd
    • Deploy ODP by using OCP
    • Deploy ODP by using the CLI
    • Deployment modes
  • Basic operations
  • Configuration parameter
    • View and modify parameters
    • Parameter summary
    • Global parameters
      • 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
      • rpc_async_pull_batch_max_size
      • rpc_async_task_thread_num
      • rpc_ctx_expire_time
      • routing_cache_mem_limited
      • rpc_enable_async_analyze
      • rpc_enable_async_pull_batch_tablets
      • rpc_async_pull_batch_max_times
      • rpc_async_pull_batch_wait_interval
      • rpc_enable_direct_expire_route_entry
      • rpc_enable_congestion
      • rpc_enable_lower_case_table_names
      • rpc_enable_global_index
      • rpc_enable_force_srv_black_list
      • rpc_enable_requestsm_info
      • rpc_enable_reroute
      • rpc_enable_parallel_handler
      • rpc_enable_retry_request_info_log
      • rpc_force_use_original_redis_protocol
      • rpc_enable_sub_req_log
      • rpc_force_srv_black_list
      • rpc_listen_port
      • rpc_max_request_batch_size
      • rpc_max_response_batch_size
      • rpc_max_server_table_entry_num
      • rpc_net_timeout_base
      • rpc_partition_calc_max_retries
      • rpc_redis_operation_timeout
      • rpc_request_server_entry_max_retries
      • rpc_request_timeout
      • rpc_request_max_retries
      • rpc_redis_default_database_name
      • rpc_redis_max_monitor_num
      • rpc_period_task_interval
      • rpc_redis_default_user_name
      • rpc_request_retry_waiting_time
      • rpc_server_entry_expire_time
      • rpc_request_timeout_delta
      • rpc_server_net_invalid_time_us
      • rpc_server_net_handler_expire_time
      • rpc_srv_session_pool_inactive_timeout
      • rpc_service_mode
      • rpc_server_net_max_pending_request
      • rpc_sub_request_isolation_mode
      • rpc_support_key_partition_shard_request
      • 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
    • Multi-level parameters
      • binlog_service_ip
      • compression_algorithm
      • enable_check_cluster_name
      • enable_client_ssl
      • enable_cloud_full_username
      • enable_read_write_split
      • enable_rpc_throttle
      • enable_server_ssl
      • enable_standby_read_write_split
      • enable_transaction_split
      • enable_weak_reroute
      • init_sql
      • mysql_version
      • ob_max_read_stale_time
      • obproxy_force_parallel_query_dop
      • obproxy_read_consistency
      • obproxy_read_only
      • observer_query_timeout_delta
      • observer_sys_password
      • observer_sys_password1
      • proxy_idc_name
      • proxy_primary_zone_name
      • proxy_route_policy
      • proxy_tenant_name
      • query_digest_time_threshold
      • read_stale_retry_interval
      • rootservice_cluster_name
      • route_diagnosis_level
      • rpc_request_throttle_waiting_time
      • rpc_throttle_limit_qps_qa
      • route_target_replica_type
      • rpc_throttle_trigger_percentage
      • slow_query_time_threshold
      • sql_firewall_config
      • ssl_attributes
      • target_db_server
      • weakread_weight_zone
  • Connection management
    • Principles
    • Session status synchronization
    • Configure a globally unique client session ID
    • Client session
    • Server session
    • Network connection
    • Session connection pool
  • Data routing
    • Factors affecting data routing
    • ODP routing
    • Intra-tenant routing
      • Overview
      • IP address-based routing
      • Partitioned table-based routing for strong-consistency reads
      • Global index table-based routing for strong-consistency reads
      • Replicated table-based routing for strong-consistency reads
      • Primary zone-based routing for strong-consistency reads
      • Strategy-based routing
      • Distributed transaction routing
      • Rerouting
      • Forcible routing
      • Weight-based load-balanced routing
      • Equality derivation for partition calculation
    • Automatic routing to the primary/standby tenants
    • Read/Write separation
    • Follower latency threshold
    • Function partition key routing
      • Overview
      • String functions
      • Numeric calculation functions
      • Date calculation functions
      • FAQ
    • Character set-based routing
    • Partitioning key types supported for routing by ODP
  • Logs
    • Overview
    • obproxy_diagnosis.log
    • obproxy_digest.log
    • obproxy_error.log
    • obproxy_slow.log
    • obproxy_stat.log
    • obproxy.log
  • Commands
    • Overview
    • Dedicated ODP commands
      • ALTER
      • KILL
        • KILL GLOBALSESSION
        • KILL PROXYSESSION
      • ping
      • SHOW
        • SHOW
        • SHOW GLOBALSESSION
        • SHOW PROXYPS
    • Compatible MySQL commands
      • BINLOG
      • KILL
      • SHOW PROCESSLIST
      • SHOW RELAYLOG EVENTS
      • SHOW SLAVE HOSTS
  • High availability mechanism
    • Overview
    • High availability of ODP services
    • High availability of OceanBase Database
    • High availability testing
  • OBKV
    • RPC service port
    • Throttling
  • Security and protocols
  • Operation and maintenance
    • Troubleshooting logic
    • Performance analysis
    • Show Trace
    • Routing diagnostics
      • Overview
      • Obtain diagnostic information
      • Diagnostic point troubleshooting
        • Overview
        • SQL_PARSE
        • ROUTE_INFO
        • LOCATION_CACHE_LOOKUP
        • ROUTINE_ENTRY_LOOKUP_DONE
        • FETCH_TABLE_RELATED_DATA
        • TABLE_ENTRY_LOOKUP_DONE
        • EXPR_PARSE
        • CALC_ROWID
        • RESOLVE_TOKEN
        • RESOLVE_EXPR
        • CALC_PARTITION_ID
        • PARTITION_ID_CALC_DONE
        • PARTITION_ENTRY_LOOKUP_DONE
        • ROUTE_POLICY
        • CONGESTION_CONTROL
        • RETRY
        • HANDLE_RESPONSE
      • Examples
    • Memory leak diagnostics
    • Connection diagnostics
    • Prometheus monitoring
    • SQL firewall
  • Release Notes
    • Version number rules
    • Enterprise Edition
      • V4.3
        • OceanBase Database Proxy Enterprise Edition V4.3.6
        • OceanBase Database Proxy Enterprise Edition V4.3.5
        • OceanBase Database Enterprise Edition V4.3.4
        • ODP Enterprise Edition V4.3.3
        • ODP Enterprise Edition V4.3.2
        • ODP Enterprise Edition V4.3.1
        • 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
      • V4.1
        • ODP Enterprise Edition V4.1.0
      • V4.0
        • ODP Enterprise Edition V4.0.0
      • V3.2
        • ODP Enterprise Edition V3.2.11
        • ODP Enterprise Edition V3.2.3.5
    • Community Edition
      • V4.3
        • OceanBase Database Proxy Community Edition V4.3.6
        • OceanBase Database Proxy Community Edition V4.3.5
        • OceanBase Database Proxy Community Edition V4.3.4
        • ODP Community Edition V4.3.3
        • ODP Community Edition V4.3.2
        • ODP Community Edition V4.3.1
      • V4.2
        • ODP Community Edition V4.2.3
        • ODP Community Edition V4.2.1
        • ODP Community Edition V4.2.0
      • V4.1
        • ODP Community Edition V4.1.0
      • V4.0
        • ODP Community Edition V4.0.0

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  1. Documentation Center
  2. OceanBase Database Proxy
  3. V4.4.0

enable_qa_mode

Last Updated:2026-09-04 08:23:04

enable_qa_mode specifies whether OceanBase Database Proxy (ODP) can force expire all location caches.

Note

This parameter applies only in test environments and is not recommended.

Attribute
Description
Parameter type Boolean
Default value False
Value range
  • TrueODP can force expire all location caches.
  • False: ODP cannot force expire all location caches.
Effective only after ODP restart No

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