jianghuazhu commented on code in PR #5882:
URL: https://github.com/apache/ozone/pull/5882#discussion_r1457414097
##########
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java:
##########
@@ -1113,11 +1117,94 @@ public Map<String, Map<String, String>>
getNodeStatusInfo() {
map.put(httpsPort.getName().toString(),
httpsPort.getValue().toString());
}
+ String capacity = calculateStorageCapacity(dni);
+ map.put(totalCapacity, capacity);
+ double[] storagePercentage = calculateStoragePercentage(dni);
+ double scmUsedPerc = storagePercentage[0];
+ double nonScmUsedPerc = storagePercentage[1];
+ map.put(usedSpacePercent,
+ "scmUsed: " + scmUsedPerc + "%, nonScmUsed: " + nonScmUsedPerc +
"%");
nodes.put(hostName, map);
}
return nodes;
}
+ /**
+ * Calculate the storage capacity of the DataNode node.
+ * @param dni DataNode node that needs to be calculated.
+ * @return
+ */
+ public String calculateStorageCapacity(DatanodeInfo dni) {
+ long capacityByte = 0;
+ List<StorageReportProto> storageReports = dni.getStorageReports();
+ if (storageReports != null && !storageReports.isEmpty()) {
+ for (StorageReportProto storageReport : storageReports) {
+ capacityByte += storageReport.getCapacity();
+ }
+ }
+
+ double ua = capacityByte;
+ StringBuilder unit = new StringBuilder("B");
+ if (ua > 1024) {
+ ua = ua / 1024;
+ unit.replace(0, 1, "KB");
+ }
+ if (ua > 1024) {
+ ua = ua / 1024;
+ unit.replace(0, 2, "MB");
+ }
+ if (ua > 1024) {
+ ua = ua / 1024;
+ unit.replace(0, 2, "GB");
+ }
+ if (ua > 1024) {
+ ua = ua / 1024;
+ unit.replace(0, 2, "TB");
+ }
+
+ DecimalFormat decimalFormat = new DecimalFormat("#0.0");
+ decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
+ double capacity = Double.valueOf(decimalFormat.format(ua));
+ return capacity + unit.toString();
+ }
+
+ /**
+ * Calculate the storage usage percentage of a DataNode node.
+ * @param dni DataNode node that needs to be calculated.
+ * @return
+ */
+ public double[] calculateStoragePercentage(DatanodeInfo dni) {
+ double[] storagePercentage = new double[2];
+ double usedPercentage = 0;
+ double nonUsedPercentage = 0;
+ List<StorageReportProto> storageReports = dni.getStorageReports();
+ if (storageReports != null && !storageReports.isEmpty()) {
+ long capacity = 0;
+ long scmUsed = 0;
+ long remaining = 0;
+ for (StorageReportProto storageReport : storageReports) {
+ capacity += storageReport.getCapacity();
+ scmUsed += storageReport.getScmUsed();
+ remaining += storageReport.getRemaining();
+ }
+ long scmNonUsed = capacity - scmUsed - remaining;
+
+ DecimalFormat decimalFormat = new DecimalFormat("#0.00");
+ decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
+
+ double usedPerc = ((double) scmUsed / capacity) * 100;
+ usedPerc = usedPerc > 100.0 ? 100.0 : usedPerc;
+ double nonUsedPerc = ((double) scmNonUsed / capacity) * 100;
+ nonUsedPerc = nonUsedPerc > 100.0 ? 100.0 : nonUsedPerc;
+ usedPercentage = Double.valueOf(decimalFormat.format(usedPerc));
+ nonUsedPercentage = Double.valueOf(decimalFormat.format(nonUsedPerc));
Review Comment:
I will update soon.
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