公有云数据库迁移 Unit 进程停滞问题分析与解决

[2025-09-18 15:52:26.192616] EDIAG [STORAGE] check_disk_space_ (ob_ls_migration_handler.cpp:1273) [15180][T1002_HAService][T1002][xxxxx-xxxxx-xxxxx-xxxxx] [lt=22][errcode=-4551] failed to check_is_disk_full, cannot migrate in(ret=-4551, required_size=350044172195) BACKTRACE:0x22a5ba25 0x23380adc 0x22a21180 0x22a20c66 0x22a20b92 0x22a209f7 0x137a3106 0x22a02b4b 0x229fd236 0x229fc8f7 0x22faa2d1 0x22fa9287 0x7f8b330b03fb 0x7f8b32f06e83
[2025-09-18 15:52:26.192628] WDIAG [STORAGE] check_before_do_task_ (ob_ls_migration_handler.cpp:1240) [15180][T1002_HAService][T1002][xxxxx-xxxxx-xxxxx-xxxxx] [lt=12][errcode=-4551] failed to check_disk_space_(ret=-4551, task={arg:{ls_id:{id:1001}, type:"MIGRATE_LS_OP", cluster_id:230000226, priority:0, src:{server:"10.102.47.252:2882", timestamp:1, flag:0, replica_type:0, region:"default_region", memstore_percent:100}, dst:{server:"10.102.32.121:2882", timestamp:1758105101755931, flag:0, replica_type:0, region:"default_region", memstore_percent:100}, data_src:{server:"0.0.0.0:0", timestamp:-1, flag:0, replica_type:0, region:"default_region", memstore_percent:100}, paxos_replica_number:2, prioritize_same_zone_src:false, tablet_id_array:[]}, task_id:YB420A662FFC-00063959E66EC14F-0-0})
[2025-09-18 15:52:26.192644] WDIAG [STORAGE] do_init_status_ (ob_ls_migration_handler.cpp:686) [15180][T1002_HAService][T1002][xxxxx-xxxxx-xxxxx-xxxxx] [lt=16][errcode=-4551] failed to check before do task(ret=-4551, ls_={ls_meta:{tenant_id:1002, ls_id:{id:1001}, ls_create_status:1, clog_checkpoint_scn:{val:0, v:0}, clog_base_lsn:{lsn:0}, rebuild_seq:0, migration_status:3, gc_state_:1, offline_scn_:{val:18446744073709551615, v:3}, restore_status:{status:0}, replayable_point:{val:1758181944923413000, v:0}, tablet_change_checkpoint_scn:{val:0, v:0}, all_id_meta:{id_meta:[{limited_id:1, latest_log_ts:{val:18446744073709551615, v:3}}, {limited_id:1, latest_log_ts:{val:18446744073709551615, v:3}}, {limited_id:1, latest_log_ts:{val:18446744073709551615, v:3}}]}, transfer_scn:{val:0, v:0}, rebuild_info:{status:{status:0}, type:{type:0}, tablet_id_array:{id_array:[]}, src:[type = 0], [address = ]}, transfer_meta_info:{src_ls:{id:0}, src_scn:{val:1, v:0}, trans_status:0, tablet_id_array:{id_array:[]}, data_version:1(0, 0, 1)}}, switch_epoch:0, log_handler:{role:2, proposal_id:0, palf_env_:0x7f8aac7e8030, is_in_stop_state_:false, is_inited_:true, id_:1001}, restore_handler:{is_inited:true, is_in_stop_state:false, id:1001, proposal_id:9223372036854775807, role:2, parent:null, context:{issue_task_num:0, issue_version:-1, last_fetch_ts:-1, max_submit_lsn:{lsn:18446744073709551615}, max_fetch_lsn:{lsn:18446744073709551615}, max_fetch_scn:{val:18446744073709551615, v:3}, error_context:{ret_code:0, trace_id:Y0-0000000000000000-0-0, error_type:0, err_lsn:{lsn:18446744073709551615}}, task_count:0}, restore_context:{seek_done:false, lsn:{lsn:18446744073709551615}}}, is_inited:true, tablet_gc_handler:{tablet_persist_trigger:3, is_inited:true}, startup_transfer_info:{ls_id:{id:0}, transfer_start_scn:{val:18446744073709551615, v:3}}, need_delay_resource_recycle:false})
[2025-09-18 15:52:26.192681] WDIAG [STORAGE] process (ob_ls_migration_handler.cpp:561) [15180][T1002_HAService][T1002][xxxxx-xxxxx-xxxxx-xxxxx] [lt=36][errcode=-4551] failed to do init status(ret=-4551, status=0)