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internal_cmd_mem_limited

Last Updated：2025-03-21 09:20:28 Updated

internal_cmd_mem_limited specifies the maximum memory for responses to internal commands of OceanBase Database Proxy (ODP). The value 0 indicates no limit.

Attribute	Description
Parameter type	Capacity
Default value	16M
Value range	[0, 64MB]
Effective only after ODP restart	No

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OceanBase Database Proxy

V4.3.2

What is ODP?
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Configuration parameter
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  - check_tenant_locality_change
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  - idc_list_refresh_interval
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  - internal_cmd_mem_limited
  - ip_listen_mode
  - ldg_info_refresh_interval
  - listen_port
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  - local_bound_ipv6_ip
  - log_cleanup_interval
  - log_dir_size_threshold
  - log_file_percentage
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  - max_syslog_file_count
  - max_syslog_file_time
  - mem_leak_check_class_name
  - mem_leak_check_mod_name
  - metadb_server_state_refresh_interval
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  - obproxy_config_server_url
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  - partition_location_expire_relative_time
  - prometheus_cost_ms_unit
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  - protocol_diagnosis_level
  - 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
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  - refresh_idc_list
  - refresh_json_config
  - refresh_rslist
  - request_buffer_length
  - rootservice_list
  - routing_cache_mem_limited
  - rpc_async_task_thread_num
  - rpc_enable_congestion
  - rpc_enable_direct_expire_route_entry
  - rpc_enable_global_index
  - rpc_enable_force_srv_black_list
  - rpc_enable_reroute
  - rpc_enable_parallel_handler
  - rpc_enable_retry_request_info_log
  - rpc_force_srv_black_list
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  - rpc_max_request_batch_size
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  - rpc_net_timeout_base
  - rpc_max_server_table_entry_num
  - rpc_period_task_interval
  - rpc_request_timeout
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  - rpc_redis_operation_timeout
  - rpc_server_entry_expire_time
  - rpc_request_timeout_delta
  - 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_sub_request_isolation_mode
  - rpc_support_key_partition_shard_request
  - rpc_sub_request_weight
  - sequence_entry_expire_time
  - sequence_fail_retry_count
  - sequence_prefetch_threshold
  - server_detect_fail_threshold
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  - shard_scan_thread_num
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  - skip_proxy_sys_private_check
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  - 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
  - task_thread_num
  - tenant_location_valid_time
  - tunnel_request_size_threshold
  - username_separator
  - work_thread_num
  - xflush_log_level
- Multi-level parameters
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  - compression_algorithm
  - enable_client_ssl
  - enable_cloud_full_username
  - enable_read_write_split
  - enable_rpc_throttle
  - enable_server_ssl
  - enable_transaction_split
  - enable_weak_reroute
  - 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
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  - 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
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  - rpc_throttle_limit_qps_qa
  - route_target_replica_type
  - rpc_throttle_trigger_percentage
  - slow_query_time_threshold
  - sql_firewall_config
  - ssl_attributes
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Connection management
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Data routing
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- Automatic routing to the primary/standby tenants
- Read/Write separation
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- Function partition key routing
  - Overview
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  - FAQ
- Character set-based routing
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Logs
- Overview
- obproxy_diagnosis.log
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- obproxy_error.log
- obproxy_slow.log
- obproxy_stat.log
- obproxy.log
Commands
- Overview
- Dedicated ODP commands
  - ALTER
  - KILL
  - ping
  - SHOW
- Compatible MySQL commands
  - BINLOG
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  - SHOW SLAVE HOSTS
High availability mechanism
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OBKV
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Security and protocols
Operation and maintenance
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  - Diagnostic point troubleshooting
    - Overview
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    - FETCH_TABLE_RELATED_DATA
    - TABLE_ENTRY_LOOKUP_DONE
    - EXPR_PARSE
    - CALC_ROWID
    - RESOLVE_TOKEN
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    - CALC_PARTITION_ID
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    - ROUTE_POLICY
    - CONGESTION_CONTROL
    - RETRY
    - HANDLE_RESPONSE
  - Examples
- Memory leak diagnostics
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- Prometheus monitoring
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Release Notes
- Versioning rules
- Enterprise Edition
  - V4.3
    - 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
    - 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