Use the CDAP Transaction Service HTTP RESTful API to access selected internals of the CDAP Transaction Service that are exposed via endpoints.
Additional details are found in the Developer Manual: Transaction System.
All methods or endpoints described in this API have a base URL (typically http://<host>:11015 or https://<host>:10443) that precedes the resource identifier, as described in the RESTful API Conventions. These methods return a status code, as listed in the RESTful API Status Codes.
Number of Invalid Transactions
To retrieve the number of invalid transactions in the system, issue an HTTP GET request:
GET /v3/transactions/invalid/size
The response is a JSON string, with the integer number of invalid transactions as <size>:
{ "size": <size> }
Truncate Invalid Transactions by Time
To truncate invalid transactions before a specific time, issue an HTTP POST request:
POST /v3/transactions/invalid/remove/until
with the timestamp in milliseconds (<timestamp-ms>) as a JSON string in the body:
{ "time" : <timestamp-ms> }
Note: Since improperly removing invalid transactions may result in data inconsistency, please refer to Transaction Service Maintenance for proper usage.