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Glossary

TDSTORE_REPLICATION_GROUP_EVENT_INFO

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Last updated: 2026-02-10 11:06:32

Function
INFORMATION_SCHEMA.TDSTORE_REPLICATION_GROUP_EVENT_INFO is used to query the execution status of replication_group-related tasks at the TDStore layer, including:
create replication_group
delete replication_group
split replication_group
merge replication_group
destroy replica
Field Description
Field Name
Type
Description
node_name
varchar(64)
Node name.
job_description
text
Task description.
job_id
bigint unsigned
Task ID.
old_rep_group_id
bigint unsigned
ID of the original replication_group. 
rep_group_id
bigint unsigned
create replication_group indicates the ID of the newly created replication_group in this scenario.
In the split replication_group  scenario, it indicates the ID of the split-generated replication_group.
In the merge replication_group scenario, it indicates the ID of the merged replication_group.
ret
varchar(64)
return value of the function.
my_job_ret
varchar(64)
return value of the task
report_mc_ret
varchar(64)
return value reported to mc.
extra_info
text
Additional information for certain tasks. Currently, only destroy replication_group is supported, which will list the reasons.
event_type
varchar(64)
Task type.
begin_time
varchar(64)
Start time of the task.
cost_us
bigint unsigned
Duration of the task, in microseconds.
detailed_info
text
Time consumption for each step of tasks and subtasks.
Examples
tdsql>select * from TDSTORE_REPLICATION_GROUP_EVENT_INFO limit 1\\G
*************************** 1. row ***************************
       node_name: node-Module13-180-5-004
 job_description: merge replication group
          job_id: 31736
old_rep_group_id: 2607222
    rep_group_id: 8101200
             ret: 0(EC_OK)
      my_job_ret: 0(EC_OK)
   report_mc_ret: 0(EC_OK)
      extra_info: NULL
      event_type: TD_EVENT_MERGE_REPLICATION_GROUP
      begin_time: 2024-11-04 20:53:56 294
         cost_us: 3726373
   detailed_info:  [MERGE_REPLICATION_GROUP: <BEGIN: 4120us>, <WAIT_ALL_TXNS: 3us>, <WAIT_MERGE_LOG_APPLIED: 967033us>, <FORCE_INSTALL_SNAPSHOT_FOR_VANISHED_RG: 2213872us>, <MERGE_LEASE: 0us>, <MERGE_WRITE_FENCE: 516515us>, <REPORT_TO_MC: 21880us>, <COMMIT: 2896us>, <END: 54us>]

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TDSQL Boundless

TDSTORE_REPLICATION_GROUP_EVENT_INFO

Function

Field Description

Examples

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Field Name	Type	Description
node_name	varchar(64)	Node name.
job_description	text	Task description.
job_id	bigint unsigned	Task ID.
old_rep_group_id	bigint unsigned	ID of the original replication_group.
rep_group_id	bigint unsigned	`create replication_group` indicates the ID of the newly created replication_group in this scenario. In the `split replication_group` scenario, it indicates the ID of the split-generated replication_group. In the `merge replication_group` scenario, it indicates the ID of the merged replication_group.
ret	varchar(64)	return value of the function.
my_job_ret	varchar(64)	return value of the task
report_mc_ret	varchar(64)	return value reported to mc.
extra_info	text	Additional information for certain tasks. Currently, only destroy replication_group is supported, which will list the reasons.
event_type	varchar(64)	Task type.
begin_time	varchar(64)	Start time of the task.
cost_us	bigint unsigned	Duration of the task, in microseconds.
detailed_info	text	Time consumption for each step of tasks and subtasks.