gp_distributed_xacts
The gp_distributed_xacts
view contains information about LightDB-A Database distributed transactions. A distributed transaction is a transaction that involves modifying data on the segment instances. LightDB-A’s distributed transaction manager ensures that the segments stay in synch. This view allows you to see the currently active sessions and their associated distributed transactions.
column | type | references | description |
---|---|---|---|
distributed_xid |
xid | The transaction ID used by the distributed transaction across the LightDB-A Database array. | |
distributed_id |
text | The distributed transaction identifier. It has 2 parts — a unique timestamp and the distributed transaction number. | |
state |
text | The current state of this session with regards to distributed transactions. | |
gp_session_id |
int | The ID number of the LightDB-A Database session associated with this transaction. | |
xmin_distributed _snapshot |
xid | The minimum distributed transaction number found among all open transactions when this transaction was started. It is used for MVCC distributed snapshot purposes. |
Parent topic: System Catalogs Definitions