in src/main/java/org/apache/rocketmq/exporter/collector/RMQMetricsCollector.java [1043:1056]
private void addCommitLogDirCapacity(String clusterName, String brokerAddress, String brokerHost, BrokerRuntimeStats stats) {
brokerRuntimeCommitLogDirCapacityTotal.put(new BrokerRuntimeMetric(
clusterName,
brokerAddress, brokerHost,
stats.getBrokerVersionDesc(),
stats.getBootTimestamp(),
stats.getBrokerVersion()), stats.getCommitLogDirCapacityTotal());
brokerRuntimeCommitLogDirCapacityFree.put(new BrokerRuntimeMetric(
clusterName,
brokerAddress, brokerHost,
stats.getBrokerVersionDesc(),
stats.getBootTimestamp(),
stats.getBrokerVersion()), stats.getCommitLogDirCapacityFree());
}