runzhiwang commented on a change in pull request #275:
URL: https://github.com/apache/incubator-ratis/pull/275#discussion_r524837751
##########
File path:
ratis-server/src/main/java/org/apache/ratis/server/JvmPauseMonitor.java
##########
@@ -0,0 +1,181 @@
+package org.apache.ratis.server;
+
+import org.apache.ratis.conf.RaftProperties;
+import org.apache.ratis.server.impl.RaftServerImpl;
+import org.apache.ratis.server.impl.RaftServerProxy;
+import org.apache.ratis.thirdparty.com.google.common.base.Joiner;
+import org.apache.ratis.thirdparty.com.google.common.base.Stopwatch;
+import org.apache.ratis.thirdparty.com.google.common.collect.Lists;
+import org.apache.ratis.thirdparty.com.google.common.collect.Maps;
+import org.apache.ratis.thirdparty.com.google.common.collect.Sets;
+import org.apache.ratis.util.Daemon;
+import org.apache.ratis.util.JavaUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.lang.management.GarbageCollectorMXBean;
+import java.lang.management.ManagementFactory;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+
+public class JvmPauseMonitor {
+ public static final Logger LOG =
+ LoggerFactory.getLogger(JvmPauseMonitor.class);
+ /**
+ * The target sleep time
+ */
+ private static final long SLEEP_INTERVAL_MS = 500;
+ private long totalGcExtraSleepTime = 0;
+
+ private Thread monitorThread;
+ private volatile boolean shouldRun = true;
+ private final RaftServerProxy proxy;
+
+ public boolean isStarted() {
Review comment:
Seems useless.
##########
File path:
ratis-server/src/main/java/org/apache/ratis/server/JvmPauseMonitor.java
##########
@@ -0,0 +1,181 @@
+package org.apache.ratis.server;
+
+import org.apache.ratis.conf.RaftProperties;
+import org.apache.ratis.server.impl.RaftServerImpl;
+import org.apache.ratis.server.impl.RaftServerProxy;
+import org.apache.ratis.thirdparty.com.google.common.base.Joiner;
+import org.apache.ratis.thirdparty.com.google.common.base.Stopwatch;
+import org.apache.ratis.thirdparty.com.google.common.collect.Lists;
+import org.apache.ratis.thirdparty.com.google.common.collect.Maps;
+import org.apache.ratis.thirdparty.com.google.common.collect.Sets;
+import org.apache.ratis.util.Daemon;
+import org.apache.ratis.util.JavaUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.lang.management.GarbageCollectorMXBean;
+import java.lang.management.ManagementFactory;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+
+public class JvmPauseMonitor {
+ public static final Logger LOG =
+ LoggerFactory.getLogger(JvmPauseMonitor.class);
+ /**
+ * The target sleep time
+ */
+ private static final long SLEEP_INTERVAL_MS = 500;
+ private long totalGcExtraSleepTime = 0;
+
+ private Thread monitorThread;
+ private volatile boolean shouldRun = true;
+ private final RaftServerProxy proxy;
+
+ public boolean isStarted() {
+ return monitorThread != null;
+ }
+
+ public long getTotalGcExtraSleepTime() {
Review comment:
Seems useless.
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