Fix missing of linux memory metrics (#12713)

SpriCoder · web-flow · commit a178a79a33f2 · 2024-06-12T08:56:18.000+08:00
* fix missing memory metric

* remove the print of type
diff --git a/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/metricsets/system/SystemMetrics.java b/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/metricsets/system/SystemMetrics.java
@@ -227,11 +227,11 @@ private void updateLinuxSystemMemInfo() {
             result.append(line).append("\n");
           }
         }
-        String[] lines = result.toString().split("\n");
+        String[] lines = result.toString().trim().split("\n");
         // if failed to get result
         if (lines.length >= 2) {
           String[] memParts = lines[1].trim().split("\\s+");
-          if (memParts.length == linuxMemoryTitles.length) {
+          if (memParts.length >= linuxMemoryTitles.length) {
             usedMemory = Long.parseLong(memParts[2]) * 1024;
             sharedMemory = Long.parseLong(memParts[4]) * 1024;
             buffCacheMemory = Long.parseLong(memParts[5]) * 1024;

Original file line number	Diff line number	Diff line change
`@@ -227,11 +227,11 @@ private void updateLinuxSystemMemInfo() {`
`227`	`227`	`result.append(line).append("\n");`
`228`	`228`	`}`
`229`	`229`	`}`
`230`		`- String[] lines = result.toString().split("\n");`
	`230`	`+ String[] lines = result.toString().trim().split("\n");`
`231`	`231`	`// if failed to get result`
`232`	`232`	`if (lines.length >= 2) {`
`233`	`233`	`String[] memParts = lines[1].trim().split("\\s+");`
`234`		`- if (memParts.length == linuxMemoryTitles.length) {`
	`234`	`+ if (memParts.length >= linuxMemoryTitles.length) {`
`235`	`235`	`usedMemory = Long.parseLong(memParts[2]) * 1024;`
`236`	`236`	`sharedMemory = Long.parseLong(memParts[4]) * 1024;`
`237`	`237`	`buffCacheMemory = Long.parseLong(memParts[5]) * 1024;`