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Posted to commits@seatunnel.apache.org by "EricJoy2048 (via GitHub)" <gi...@apache.org> on 2023/04/01 06:43:18 UTC

[GitHub] [incubator-seatunnel] EricJoy2048 commented on a diff in pull request #4467: [Improve][Zeta] Improve JobMetrics fetch performance

EricJoy2048 commented on code in PR #4467:
URL: https://github.com/apache/incubator-seatunnel/pull/4467#discussion_r1155066711


##########
seatunnel-engine/seatunnel-engine-server/src/main/java/org/apache/seatunnel/engine/server/master/JobMaster.java:
##########
@@ -449,53 +451,81 @@ public JobStatus getJobStatus() {
     }
 
     public List<RawJobMetrics> getCurrJobMetrics() {
-        return getCurrJobMetrics(ownedSlotProfilesIMap.values());
+        return getCurrJobMetrics(
+                ownedSlotProfilesIMap.keySet().stream()
+                        .filter(
+                                pipelineLocation ->
+                                        pipelineLocation.getJobId()
+                                                == this.getJobImmutableInformation().getJobId())
+                        .collect(Collectors.toList()));
+    }
+
+    public List<RawJobMetrics> getCurrJobMetrics(List<PipelineLocation> pipelineLocations) {
+        Map<TaskGroupLocation, Address> taskGroupLocationSlotProfileMap = new HashMap<>();
+
+        ownedSlotProfilesIMap.forEach(
+                (pipelineLocation, map) -> {
+                    if (pipelineLocations.contains(pipelineLocation)) {
+                        map.forEach(
+                                (taskGroupLocation, slotProfile) -> {
+                                    if (taskGroupLocation.getJobId()
+                                            == this.getJobImmutableInformation().getJobId()) {
+                                        taskGroupLocationSlotProfileMap.put(
+                                                taskGroupLocation, slotProfile.getWorker());
+                                    }
+                                });
+                    }
+                });
+
+        Map<Address, List<TaskGroupLocation>> taskGroupLocationMap = new HashMap<>();
+
+        for (Map.Entry<TaskGroupLocation, Address> entry :
+                taskGroupLocationSlotProfileMap.entrySet()) {
+            taskGroupLocationMap
+                    .computeIfAbsent(entry.getValue(), k -> new ArrayList<>())
+                    .add(entry.getKey());
+        }
+
+        return getCurrJobMetrics(taskGroupLocationMap);
     }
 
     public List<RawJobMetrics> getCurrJobMetrics(
-            Collection<Map<TaskGroupLocation, SlotProfile>> groupLocations) {
+            Map<Address, List<TaskGroupLocation>> groupLocationMap) {
         List<RawJobMetrics> metrics = new ArrayList<>();
-        for (Map<TaskGroupLocation, SlotProfile> groupLocation : groupLocations) {
-            groupLocation.forEach(
-                    (taskGroupLocation, slotProfile) -> {
-                        if (taskGroupLocation.getJobId()
-                                == this.getJobImmutableInformation().getJobId()) {
-                            try {
-                                if (nodeEngine
-                                                .getClusterService()
-                                                .getMember(slotProfile.getWorker())
-                                        != null) {
-                                    RawJobMetrics rawJobMetrics =
-                                            (RawJobMetrics)
-                                                    NodeEngineUtil.sendOperationToMemberNode(
-                                                                    nodeEngine,
-                                                                    new GetTaskGroupMetricsOperation(
-                                                                            taskGroupLocation),
-                                                                    slotProfile.getWorker())
-                                                            .get();
-                                    metrics.add(rawJobMetrics);
-                                }
-                            }
-                            // HazelcastInstanceNotActiveException. It means that the node is
-                            // offline, so waiting for the taskGroup to restore can be successful
-                            catch (HazelcastInstanceNotActiveException e) {
-                                LOGGER.warning(
-                                        String.format(
-                                                "%s get current job metrics with exception: %s.",
-                                                taskGroupLocation, ExceptionUtils.getMessage(e)));
-                            } catch (Exception e) {
-                                throw new SeaTunnelException(e.getMessage());
-                            }
+
+        groupLocationMap.forEach(
+                (address, taskGroupLocations) -> {
+                    try {
+                        if (nodeEngine.getClusterService().getMember(address) != null) {
+                            RawJobMetrics rawJobMetrics =
+                                    (RawJobMetrics)
+                                            NodeEngineUtil.sendOperationToMemberNode(
+                                                            nodeEngine,
+                                                            new GetTaskGroupMetricsOperation(
+                                                                    taskGroupLocations),
+                                                            address)
+                                                    .get();
+                            metrics.add(rawJobMetrics);
                         }
-                    });
-        }
+                    }
+                    // HazelcastInstanceNotActiveException. It means that the node is
+                    // offline, so waiting for the taskGroup to restore can be successful
+                    catch (HazelcastInstanceNotActiveException e) {
+                        LOGGER.warning(
+                                String.format(
+                                        "%s get current job metrics with exception: %s.",
+                                        Arrays.toString(taskGroupLocations.toArray()),
+                                        ExceptionUtils.getMessage(e)));
+                    } catch (Exception e) {
+                        throw new SeaTunnelException(e.getMessage());

Review Comment:
   ```suggestion
                           throw new SeaTunnelEngineException(e.getMessage());
   ```



##########
seatunnel-engine/seatunnel-engine-server/src/main/java/org/apache/seatunnel/engine/server/task/operation/GetTaskGroupMetricsOperation.java:
##########
@@ -56,27 +59,34 @@ public void run() {
                     "Caller "
                             + callerAddress
                             + " cannot get taskGroupLocation metrics"
-                            + taskGroupLocation.toString()
+                            + Arrays.toString(taskGroupLocations.toArray())

Review Comment:
   `Arrays.toString(taskGroupLocations.toArray())` have a same result as `taskGroupLocations.toString()`.



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