congbobo184 opened a new pull request #9706:
URL: https://github.com/apache/pulsar/pull/9706
## Motivation
Transaction coordinator metrics add.
## implement
```
/** The transaction coordinatorId. */
private long transactionCoordinatorId;
/** The transaction max sequenceId. */
private long transactionSequenceId;
/** The ongoing transaction count. */
private int ongoingTransactionCount;
/** The low water mark of this transaction coordinator. */
private long lowWaterMark;
/** The commit transaction rate of this transaction coordinator. */
public double commitTransactionRate;
/** The abort transaction rate of this transaction coordinator. */
public double abortTransactionRate;
/** The create transaction rate of this transaction coordinator. */
public double createTransactionRate;
```
This is transaction coordinator metrics, if have another useful metrics, we
can add in other PR.
### Verifying this change
Add the tests for it
Does this pull request potentially affect one of the following parts:
If yes was chosen, please highlight the changes
Dependencies (does it add or upgrade a dependency): (no)
The public API: (no)
The schema: (no)
The default values of configurations: (no)
The wire protocol: (no)
The rest endpoints: (no)
The admin cli options: (no)
Anything that affects deployment: (no)
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