diff --git a/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/jvm/ThreadList.java b/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/jvm/ThreadList.java
index 355bb530..c45e1e07 100644
--- a/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/jvm/ThreadList.java
+++ b/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/jvm/ThreadList.java
@@ -16,7 +16,6 @@
 package com.amazon.opendistro.elasticsearch.performanceanalyzer.jvm;
 
 import java.io.BufferedReader;
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.lang.management.ManagementFactory;
@@ -135,10 +134,15 @@ private static void runAttachDump(String pid, String[] args) {
 
         try (InputStream in = ((HotSpotVirtualMachine) vm).remoteDataDump((Object[]) args);) {
             createMap(in);
-            vm.detach();
         } catch (Exception ex) {
             LOGGER.debug("Cannot list threads with exception: {}", () -> ex.toString());
         }
+
+        try {
+            vm.detach();
+        } catch (Exception ex) {
+            LOGGER.debug("Failed in VM Detach with exception: {}", () -> ex.toString());
+        }
     }
 
     //ThreadMXBean-based info for tid, name and allocs
@@ -237,16 +241,13 @@ private static void parseLine(String line) {
         nameMap.put(t.threadName, t); //XXX: we assume no collisions
     }
 
-    private static void createMap(InputStream in) {
-        try (BufferedReader br = new BufferedReader(new InputStreamReader(in));) {
-            String line = null;
-            while ((line = br.readLine()) != null) {
-                if (line.contains("tid=")) {
-                    parseLine(line);
-                }
+    private static void createMap(InputStream in) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(in));
+        String line = null;
+        while ((line = br.readLine()) != null) {
+            if (line.contains("tid=")) {
+                parseLine(line);
             }
-        } catch (IOException ioe) {
-            LOGGER.debug("Exception while reading input with Exception: {}", () -> ioe.toString());
         }
     }
 
diff --git a/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/metrics/PerformanceAnalyzerMetrics.java b/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/metrics/PerformanceAnalyzerMetrics.java
index 5d2982df..4f26177a 100644
--- a/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/metrics/PerformanceAnalyzerMetrics.java
+++ b/src/main/java/com/amazon/opendistro/elasticsearch/performanceanalyzer/metrics/PerformanceAnalyzerMetrics.java
@@ -108,7 +108,7 @@ public static void emitMetric(String keyPath, String value) {
         try {
             java.nio.file.Files.createDirectories(file.getParentFile().toPath());
         } catch (IOException ex) {
-            LOG.error(
+            LOG.debug(
                     (Supplier<?>) () -> new ParameterizedMessage(
                             "Error In Creating Directories: {} for keyPath:{}",
                             ex.toString(), keyPath),
@@ -120,7 +120,7 @@ public static void emitMetric(String keyPath, String value) {
         try {
             tmpFile = writeToTmp(keyPath, value);
         } catch (Exception ex) {
-            LOG.error(
+            LOG.debug(
                     (Supplier<?>) () -> new ParameterizedMessage(
                             "Error in Writing to Tmp File: {} for keyPath:{}",
                             ex.toString(), keyPath),
@@ -131,7 +131,7 @@ public static void emitMetric(String keyPath, String value) {
         try {
             tmpFile.renameTo(file);
         } catch (Exception ex) {
-            LOG.error(
+            LOG.debug(
                     (Supplier<?>) () -> new ParameterizedMessage(
                             "Error in Renaming Tmp File: {} for keyPath:{}",
                             ex.toString(), keyPath),