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[Feature][REST-API] Add threaddump rest api #7615

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merged 4 commits into from
Sep 11, 2024
Merged

[Feature][REST-API] Add threaddump rest api #7615

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216d212
add threaddump rest api
liugddx Sep 9, 2024
2858b2b
Merge remote-tracking branch 'upstream/dev' into dev
liugddx Sep 9, 2024
b2b3834
add threaddump rest api
liugddx Sep 9, 2024
a2af4c0
add threaddump rest api
liugddx Sep 10, 2024
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1 change: 1 addition & 0 deletions ...nel-engine-server/src/main/java/org/apache/seatunnel/engine/server/rest/RestConstant.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@ public class RestConstant {
public static final String JOB_INFO_URL = "/hazelcast/rest/maps/job-info";
public static final String FINISHED_JOBS_INFO = "/hazelcast/rest/maps/finished-jobs";
public static final String ENCRYPT_CONFIG = "/hazelcast/rest/maps/encrypt-config";
public static final String THREAD_DUMP = "/hazelcast/rest/maps/thread-dump";

// only for test use
public static final String RUNNING_THREADS = "/hazelcast/rest/maps/running-threads";
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28 changes: 28 additions & 0 deletions ...er/src/main/java/org/apache/seatunnel/engine/server/rest/RestHttpGetCommandProcessor.java
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Expand Up @@ -65,6 +65,9 @@

import java.io.IOException;
import java.io.StringWriter;
import java.lang.management.ManagementFactory;
import java.lang.management.ThreadInfo;
import java.lang.management.ThreadMXBean;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
Expand Down Expand Up @@ -93,6 +96,7 @@
import static org.apache.seatunnel.engine.server.rest.RestConstant.SYSTEM_MONITORING_INFORMATION;
import static org.apache.seatunnel.engine.server.rest.RestConstant.TELEMETRY_METRICS_URL;
import static org.apache.seatunnel.engine.server.rest.RestConstant.TELEMETRY_OPEN_METRICS_URL;
import static org.apache.seatunnel.engine.server.rest.RestConstant.THREAD_DUMP;

public class RestHttpGetCommandProcessor extends HttpCommandProcessor<HttpGetCommand> {

Expand Down Expand Up @@ -144,6 +148,8 @@ public void handle(HttpGetCommand httpGetCommand) {
handleMetrics(httpGetCommand, TextFormat.CONTENT_TYPE_004);
} else if (uri.equals(TELEMETRY_OPEN_METRICS_URL)) {
handleMetrics(httpGetCommand, TextFormat.CONTENT_TYPE_OPENMETRICS_100);
} else if (uri.startsWith(THREAD_DUMP)) {
getThreadDump(httpGetCommand);
} else {
original.handle(httpGetCommand);
}
Expand Down Expand Up @@ -203,6 +209,28 @@ public void overView(HttpGetCommand command, String uri) {
JsonUtil.toJsonObject(JsonUtils.toMap(JsonUtils.toJsonString(overviewInfo))));
}

public void getThreadDump(HttpGetCommand command) {
final StringBuilder dump = new StringBuilder();
final ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
final ThreadInfo[] threadInfos =
threadMXBean.getThreadInfo(threadMXBean.getAllThreadIds(), 100);
for (ThreadInfo threadInfo : threadInfos) {
dump.append('"');
dump.append(threadInfo.getThreadName());
dump.append("\" ");
final Thread.State state = threadInfo.getThreadState();
dump.append("\n java.lang.Thread.State: ");
dump.append(state);
final StackTraceElement[] stackTraceElements = threadInfo.getStackTrace();
for (final StackTraceElement stackTraceElement : stackTraceElements) {
dump.append("\n at ");
dump.append(stackTraceElement);
}
dump.append("\n\n");
}
this.prepareResponse(command, dump.toString());
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}

private void getSystemMonitoringInformation(HttpGetCommand command) {
Cluster cluster = textCommandService.getNode().hazelcastInstance.getCluster();
nodeEngine = textCommandService.getNode().hazelcastInstance.node.nodeEngine;
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