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https://issues.apache.org/jira/browse/METRON-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397131#comment-16397131
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ASF GitHub Bot commented on METRON-1483:
----------------------------------------
Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/958#discussion_r174181759
--- Diff:
metron-contrib/metron-performance/src/main/java/org/apache/metron/performance/load/SendToKafka.java
---
@@ -0,0 +1,107 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.metron.performance.load;
+
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.TimerTask;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Supplier;
+
+public class SendToKafka extends TimerTask {
--- End diff --
well, I mean, I suppose it could be, but I didn't see value in it since all
of our inputs currently are strings and the message generator exclusively
generates strings, not other messages. It'd be a more serious refactoring to
genericize this to make the message generator pluggable. Also, for utility
code, I think I'd rather avoid prematurely generalizing it. Let me know what
you think.
> Create a tool to monitor performance of the topologies
> ------------------------------------------------------
>
> Key: METRON-1483
> URL: https://issues.apache.org/jira/browse/METRON-1483
> Project: Metron
> Issue Type: New Feature
> Reporter: Casey Stella
> Priority: Major
>
> In performance evaluation, generating synthetic load and monitoring the write
> throughput of our kafka-to-kafka topologies has required a lot of custom
> scripting. We should have a tool that could do the following:
> * Take a file representing a message template and generate synthetic load at
> a given events per second
> * Monitor the kafka offsets of a topic and report throughput numbers in
> events per second
>
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