public void stop() {
        for (JdbcSource source : originalSources) {
            source.destroy();
        }
        for (JdbcSource source : dataFlowSources) {
            source.destroy();
        }
        for (AuditSink sink : dataFlowSinks) {
            sink.destroy();
        }
    }
Stop the etl service,and destroy related resources.
inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/node/EtlService.java