This table contains checkpoint acknowledgements from all child machines of the CMS. It is used to verify that machines have processed checkpoints created by the CMS and can be used to analyze the time taken to propagate the checkpoint through the machine hierarchy.
|
Column |
Primary Key |
Datatype |
Length |
Notes |
|---|---|---|---|---|
|
MachineIDM Part-key identifying the machine that generated this checkpoint acknowledgement. |
Yes |
INTEGER |
4 |
FK -> WgnMachine |
|
MachineID Part-key identifying the machine that generated this checkpoint acknowledgement. |
Yes |
INTEGER |
4 |
FK -> WgnMachine |
|
CpID Unique identifier of the checkpoint being acknowledged. |
Yes |
IDENTITYREF |
8 |
Unenforced FK to the Wgn3Checkpoint table. |
|
ACKTimestamp Time at which the acknowledgement was generated. |
|
TIMESTAMP |
8 |
|
|
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