nvharikrishna commented on code in PR #259:
URL: https://github.com/apache/cassandra-sidecar/pull/259#discussion_r2404256639


##########
client-common/src/main/java/org/apache/cassandra/sidecar/common/request/LiveMigrationDataCopyRequest.java:
##########
@@ -58,18 +52,6 @@ public 
LiveMigrationDataCopyRequest(@JsonProperty("maxIterations") int maxIterat
                                         @JsonProperty("successThreshold") 
double successThreshold,
                                         @JsonProperty("maxConcurrency") int 
maxConcurrency)
     {
-        this(UUID.randomUUID().toString(), maxIterations, successThreshold, 
maxConcurrency);
-    }
-
-    public LiveMigrationDataCopyRequest(String id,
-                                        int maxIterations,
-                                        double successThreshold,
-                                        int maxConcurrency)
-    {
-        if (id == null || id.isEmpty())

Review Comment:
   Having request ID at in reqeust is bit confusing when this class is used at 
client. Handling requestId separately and returning it as part of response.



##########
server/src/main/java/org/apache/cassandra/sidecar/livemigration/DataCopyTaskManager.java:
##########
@@ -96,21 +93,8 @@ public Future<LiveMigrationTask> createTask(@NotNull 
LiveMigrationDataCopyReques
 
         InstanceMetadata localInstanceMetadata = 
instancesMetadata.instanceFromHost(currentHost);
 
-        return vertx.executeBlocking(() -> 
liveMigrationMap.getSource(currentHost))
-                    .compose(source -> validateDataDirs(source, 
localInstanceMetadata))
-                    .compose(source -> createDataCopyTask(request, source, 
localInstanceMetadata));
-    }
-
-    Future<String> validateDataDirs(String source, InstanceMetadata 
localInstanceMetadata)
-    {
-        InstanceMetadata sourceMeta = 
instancesMetadata.instanceFromHost(source);

Review Comment:
   `instancesMetadata.instanceFromHost(source);` doesn't work if the source is 
not local. Hence removing it. Data copy will fail while downloading files.



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