asafm commented on code in PR #17072:
URL: https://github.com/apache/pulsar/pull/17072#discussion_r1005639256
##########
pulsar-broker/src/test/java/org/apache/pulsar/broker/stats/MetadataStoreStatsTest.java:
##########
@@ -137,4 +137,108 @@ public void testMetadataStoreStats() throws Exception {
}
}
+ @Test
+ public void testBatchMetadataStoreMetrics() throws Exception {
+ String ns = "prop/ns-abc1";
+ admin.namespaces().createNamespace(ns);
+
+ String topic = "persistent://prop/ns-abc1/metadata-store-" +
UUID.randomUUID();
+ String subName = "my-sub1";
+
+ @Cleanup
+ Producer<String> producer = pulsarClient.newProducer(Schema.STRING)
+ .topic(topic).create();
+ @Cleanup
+ Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING)
+ .topic(topic).subscriptionName(subName).subscribe();
+
+ for (int i = 0; i < 100; i++) {
+ producer.newMessage().value(UUID.randomUUID().toString()).send();
+ }
+
+ for (;;) {
+ Message<String> message = consumer.receive(10, TimeUnit.SECONDS);
+ if (message == null) {
+ break;
+ }
+ consumer.acknowledge(message);
+ }
+
+ ByteArrayOutputStream output = new ByteArrayOutputStream();
+ PrometheusMetricsGenerator.generate(pulsar, false, false, false,
false, output);
+ String metricsStr = output.toString();
+ Multimap<String, PrometheusMetricsTest.Metric> metricsMap =
PrometheusMetricsTest.parseMetrics(metricsStr);
+
+ Collection<PrometheusMetricsTest.Metric> opsOverflow =
metricsMap.get("pulsar_batch_metadata_store_overflow_ops" + "_total");
+ Collection<PrometheusMetricsTest.Metric> queueingOps =
metricsMap.get("pulsar_batch_metadata_store_queueing_ops");
+ Collection<PrometheusMetricsTest.Metric> executorQueueSize =
metricsMap.get("pulsar_batch_metadata_store_executor_queue_size");
+ Collection<PrometheusMetricsTest.Metric> opsWaiting =
metricsMap.get("pulsar_batch_metadata_store_waiting_ms" + "_sum");
+
+ Assert.assertTrue(opsOverflow.size() > 0 && opsOverflow.size() % 2 ==
0);
+ Assert.assertTrue(queueingOps.size() > 0 && queueingOps.size() % 2 ==
0);
+ Assert.assertTrue(executorQueueSize.size() > 1);
+ Assert.assertTrue(opsWaiting.size() > 1);
+
+ int readOpsOverflow = 0;
+ int writeOpsOverflow = 0;
+ for (PrometheusMetricsTest.Metric m : opsOverflow) {
+ Assert.assertEquals(m.tags.get("cluster"), "test");
+ String metadataStoreName = m.tags.get("name");
+ Assert.assertNotNull(metadataStoreName);
+
Assert.assertTrue(metadataStoreName.equals(MetadataStoreConfig.METADATA_STORE)
+ ||
metadataStoreName.equals(MetadataStoreConfig.CONFIGURATION_METADATA_STORE)
+ ||
metadataStoreName.equals(MetadataStoreConfig.STATE_METADATA_STORE));
+ String opType = m.tags.get("type");
+ Assert.assertNotNull(opType);
+ if (opType.equals("read")) {
+ readOpsOverflow++;
+ } else if (opType.equals("write")){
+ writeOpsOverflow++;
+ }
+ Assert.assertTrue(m.value >= 0);
+ }
+ Assert.assertEquals(readOpsOverflow, writeOpsOverflow);
+ Assert.assertTrue(readOpsOverflow > 0);
Review Comment:
So overflow is redundant since it will never overflow?
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