Vladsz83 commented on a change in pull request #8159:
URL: https://github.com/apache/ignite/pull/8159#discussion_r475750952



##########
File path: 
modules/ducktests/src/main/java/org/apache/ignite/internal/ducktest/tests/DataGenerationApplication.java
##########
@@ -20,27 +20,103 @@
 import com.fasterxml.jackson.databind.JsonNode;
 import org.apache.ignite.IgniteCache;
 import org.apache.ignite.IgniteDataStreamer;
+import org.apache.ignite.internal.NodeStoppingException;
 import org.apache.ignite.internal.ducktest.utils.IgniteAwareApplication;
+import org.apache.ignite.internal.util.typedef.X;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
 
 /**
  *
  */
 public class DataGenerationApplication extends IgniteAwareApplication {
+    /** Logger. */
+    protected static final Logger log = 
LogManager.getLogger(DataGenerationApplication.class.getName());
+
+    /** */
+    private static final long DATAGEN_NOTIFY_INTERVAL_NANO = 1500 * 1000000L;
+
+    /** */
+    private static final int DATAGEN_NOTIFY_INTERVAL_AMOUNT = 10_000;
+
+    /** */
+    private static final int DELAYED_INITIALIZATION_AMOUNT = 10_000;
+
     /** {@inheritDoc} */
     @Override protected void run(JsonNode jsonNode) {
-        log.info("Creating cache...");
+        String cacheName = jsonNode.get("cacheName").asText();
+        boolean infinite = jsonNode.hasNonNull("infinite") && 
jsonNode.get("infinite").asBoolean();
+        boolean optimized = !jsonNode.hasNonNull("optimized") || 
jsonNode.get("optimized").asBoolean();

Review comment:
       'optimized' got removed. It was involved to wrap node-stop-issue of the 
data streamer. The code got changed, I kept it as simple option which looks 
useful. Thi look to me trivilab, but if rised discussion, we don't need it in 
this ticket. For now, we need only contiguous loading. The streamer was 
introdused before. It is ok.




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