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DokumentasiTDSQL BoundlessGeneral ReferenceSQL ReferenceData DictionarySYSTDSQL_RAFT_LEADER_SWITCH_RES

TDSQL_RAFT_LEADER_SWITCH_RES

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Terakhir diperbarui: 2026-02-10 11:03:03

Function

Records of the Leader role switch in the Raft layer for TDStore and MC.

Field Description

Field Name
Type
Description
ID
int
Auto-increment ID.
module
ENUM("MC", "TDSTORE")
The module currently provides information about the leader switch for MC and TDStore.
idx
bigint unsigned
identifier for raft nodes.
switch_begin_time
bigint
Switch start time (millisecond-level timestamp).
switch_end_time
bigint
Switch end time (millisecond-level timestamp).
switch_used_time
bigint
Time taken for switch.
switch_reason
varchar(512)
Switch reason.
switch_type
int
Switch type.
switch_status
int
Switch status.
src_host
VARCHAR(128)
Address of the original Leader node.
dst_host
VARCHAR(128)
Address of the new Leader node.
is_success
int
Whether successful.
failure_reason
varchar(128)
Failure reason.

Examples

tdsql3_sys_local@localhost [sys]> select * from tdsql_raft_leader_switch_res;
+-----+---------+-------+-------------------+-----------------+------------------+---------------+-------------+---------------+----------------------+----------------------+------------+----------------+
| ID  | module  | idx   | switch_begin_time | switch_end_time | switch_used_time | switch_reason | switch_type | switch_status | src_host             | dst_host             | is_success | failure_reason |
+-----+---------+-------+-------------------+-----------------+------------------+---------------+-------------+---------------+----------------------+----------------------+------------+----------------+
| 202 | TDSTORE | 72757 |     1733195593005 |   1733195593022 |               17 |               |           0 |             0 |                      | node-******-1-001 |          1 |                |
| 203 | MC      |     0 |     1733280390626 |   1733280388221 |            -2405 |               |           0 |             0 | mc-******-1-1        | mc-******-1-2     |          0 | NULL           |
| 401 | TDSTORE | 72757 |     1733195895171 |   1733195895181 |               10 |               |           1 |             0 | node-******-1-001    | node-******-1-002 |          1 |                |
+-----+---------+-------+-------------------+-----------------+------------------+---------------+-------------+---------------+----------------------+----------------------+------------+----------------+
3 rows in set (0.00 sec)
Topik sebelumnya: RECYCLE_BIN_INFOTopik selanjutnya: ALTER INSTANCE TRANSFER LEADER

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