文档反馈

分布式版-V4.0.0社区版

文档概览
简介
快速上手
应用开发
部署数据库
管理数据库
数据迁移
参考指南
- 系统架构
- SQL 语句
- 系统视图
- 系统变量
- 系统配置项
  - 系统配置项概述
  - 系统配置项总览
  - 集群级别配置项
    - all_server_list
    - autoinc_cache_refresh_interval
    - backup_data_file_size
    - balancer_idle_time
    - balancer_log_interval
    - balancer_task_timeout
    - balancer_tolerance_percentage
    - bf_cache_miss_count_threshold
    - bf_cache_priority
    - builtin_db_data_verify_cycle
    - cache_wash_threshold
    - clog_sync_time_warn_threshold
    - cluster
    - cluster_id
    - config_additional_dir
    - cpu_count
    - data_dir
    - data_disk_usage_limit_percentage
    - data_storage_error_tolerance_time
    - data_storage_warning_tolerance_time
    - datafile_disk_percentage
    - datafile_size
    - dead_socket_detection_timeout
    - debug_sync_timeout
    - default_compress
    - default_compress_func
    - default_row_format
    - devname
    - disk_io_thread_count
    - dtl_buffer_size
    - enable_async_syslog
    - enable_ddl
    - enable_major_freeze
    - enable_ob_ratelimit
    - enable_perf_event
    - enable_rebalance
    - enable_record_trace_id
    - enable_record_trace_log
    - enable_rereplication
    - enable_rich_error_msg
    - enable_sql_audit
    - enable_sql_operator_dump
    - enable_sys_table_ddl
    - enable_sys_unit_standalone
    - enable_syslog_recycle
    - enable_syslog_wf
    - enable_tcp_keepalive
    - enable_upgrade_mode
    - fuse_row_cache_priority
    - global_write_halt_residual_memory
    - high_priority_net_thread_count
    - ignore_replay_checksum_error
    - internal_sql_execute_timeout
    - large_query_threshold
    - large_query_worker_percentage
    - leak_mod_to_check
    - lease_time
    - location_cache_cpu_quota
    - location_cache_refresh_min_interval
    - location_cache_refresh_rpc_timeout
    - location_cache_refresh_sql_timeout
    - location_fetch_concurrency
    - location_refresh_thread_count
    - max_px_worker_count
    - max_string_print_length
    - max_syslog_file_count
    - memory_chunk_cache_size
    - memory_limit
    - memory_limit_percentage
    - memory_reserved
    - memstore_limit_percentage
    - micro_block_merge_verify_level
    - migration_disable_time
    - min_observer_version
    - mysql_port
    - net_thread_count
    - ob_event_history_recycle_interval
    - ob_ratelimit_stat_period
    - obconfig_url
    - tablet_meta_table_check_interval
    - tablet_meta_table_scan_batch_count
    - plan_cache_evict_interval
    - plan_cache_high_watermark
    - plan_cache_low_watermark
    - px_task_size
    - px_workers_per_cpu_quota
    - rdma_io_thread_count
    - recyclebin_object_expire_time
    - ls_meta_table_check_interval
    - resource_hard_limit
    - restore_concurrency
    - rootservice_async_task_queue_size
    - rootservice_async_task_thread_count
    - rootservice_list
    - rootservice_memory_limit
    - rootservice_ready_check_interval
    - row_compaction_update_limit
    - rpc_port
    - rpc_timeout
    - schema_history_expire_time
    - schema_history_recycle_interval
    - server_balance_cpu_mem_tolerance_percent
    - server_balance_critical_disk_waterlevel
    - server_balance_disk_tolerance_percent
    - server_check_interval
    - server_cpu_quota_max
    - server_cpu_quota_min
    - server_permanent_offline_time
    - ssl_client_authentication
    - ssl_external_kms_info
    - stack_size
    - sys_bkgd_migration_change_member_list_timeout
    - sys_bkgd_migration_retry_num
    - sys_bkgd_net_percentage
    - syslog_io_bandwidth_limit
    - syslog_level
    - system_memory
    - system_trace_level
    - tableapi_transport_compress_func
    - tablet_size
    - tcp_keepcnt
    - tcp_keepidle
    - tcp_keepintvl
    - tenant_cpu_variation_per_server
    - tenant_task_queue_size
    - token_reserved_percentage
    - trace_log_sampling_interval
    - trace_log_slow_query_watermark
    - trx_2pc_retry_interval
    - use_large_pages
    - user_block_cache_priority
    - user_row_cache_priority
    - virtual_table_location_cache_expire_time
    - weak_read_version_refresh_interval
    - workers_per_cpu_quota
    - zone
    - log_disk_size
    - log_disk_percentage
    - tablet_ls_cache_priority
    - opt_tab_stat_cache_priority
    - index_block_cache_priority
    - sql_login_thread_count
    - enable_asan_for_memory_context
    - enable_cgroup
  - 租户级别配置项
- 错误码
- 预留关键字
- 生态工具
快速入门系列教程
版本发布记录
术语

location_cache_refresh_rpc_timeout

更新时间：2026-06-24 11:21:32

分享

location_cache_refresh_rpc_timeout表示通过 RPC 刷新 location_cache 的超时时间。

描述

属性	描述
参数类型	时间类型
默认值	500ms
取值范围	[1ms,+∞）
是否重启 OBServer 生效	否

示例

obclient> ALTER SYSTEM SET location_cache_refresh_rpc_timeout = '50ms';

有帮助

无帮助

location_cache_refresh_rpc_timeout | OceanBase 文档中心