congbobo184 opened a new pull request #9942:
URL: https://github.com/apache/pulsar/pull/9942
## Motivation
Transaction buffer metrics add.
## implement
```
/** The active transactions. */
public long activeTransactions;
/** The commit transaction count of this transaction buffer. */
public long commitTransactionCount;
/** The abort transaction count of this transaction buffer. */
public long abortTransactionCount;
/** The registered transaction count of this transaction buffer. */
public long registeredTransactionCount;
/** The public transaction message count of this transaction buffer. */
public long publishTxnMessageCount;
/** The existed abort transactions of this transaction buffer. */
public long existedAbortTransactions;
```
This is transaction buffer metrics.
### 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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