[pulsar-perf] record message failure and avoid exiting from process o…

…n publish failure (apache#5441)

* [pulsar-perf] record message failure and avoid exiting from process on publish failure

* add flag to exit on publish failure (default: disable and continue)

pulsar-testclient/src/main/java/org/apache/pulsar/testclient/PerformanceProducer.java

@@ -81,6 +81,7 @@ public class PerformanceProducer {
             .newCachedThreadPool(new DefaultThreadFactory("pulsar-perf-producer-exec"));
 
     private static final LongAdder messagesSent = new LongAdder();
+    private static final LongAdder messagesFailed = new LongAdder();
     private static final LongAdder bytesSent = new LongAdder();
 
     private static final LongAdder totalMessagesSent = new LongAdder();
@@ -185,6 +186,10 @@ static class Arguments {
         @Parameter(names = { "-d",
                 "--delay" }, description = "Mark messages with a given delay in seconds")
         public long delay = 0;
+
+        @Parameter(names = { "-ef",
+                "--exit-on-failure" }, description = "Exit from the process on publish failure (default: disable)")
+        public boolean exitOnFailure = false;
     }
 
     static class EncKeyReader implements CryptoKeyReader {
@@ -353,13 +358,15 @@ public static void main(String[] args) throws Exception {
             double elapsed = (now - oldTime) / 1e9;
 
             double rate = messagesSent.sumThenReset() / elapsed;
+            double failureRate = messagesFailed.sumThenReset() / elapsed;
             double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8;
 
             reportHistogram = recorder.getIntervalHistogram(reportHistogram);
 
             log.info(
-                    "Throughput produced: {}  msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}",
+                    "Throughput produced: {}  msg/s --- {} Mbit/s --- failure {} msg/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}",
                     throughputFormat.format(rate), throughputFormat.format(throughput),
+                    throughputFormat.format(failureRate),
                     dec.format(reportHistogram.getMean() / 1000.0),
                     dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0),
                     dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0),
@@ -506,7 +513,10 @@ private static void runProducer(Arguments arguments,
                         }
                     }).exceptionally(ex -> {
                         log.warn("Write error on message", ex);
-                        System.exit(-1);
+                        messagesFailed.increment();
+                        if (arguments.exitOnFailure) {
+                            System.exit(-1);
+                        }
                         return null;
                     });
                 }