shishkovilja commented on code in PR #11612:
URL: https://github.com/apache/ignite/pull/11612#discussion_r1829683730


##########
modules/core/src/test/java/org/apache/ignite/cdc/AbstractCdcTest.java:
##########
@@ -269,6 +261,55 @@ private void checkMetrics(long expCnt, Function<String, 
Long> longMetric, Functi
         assertEquals(expCnt, (long)longMetric.apply(EVTS_CNT));
     }
 
+    /**
+     * @param cdc - {@link CdcMain} instance.
+     */
+    protected void checkWalProcessingMetrics(CdcMain cdc) {
+        DynamicMBean jmxCdcReg = getJmxCdcReg(cdc);
+
+        checkWalProcessingMetrics((Function<String, Long>)jmxVal(jmxCdcReg), 
(Function<String, long[]>)jmxVal(jmxCdcReg));
+
+        MetricRegistry mreg = getMetricRegistry(cdc);
+
+        checkWalProcessingMetrics(
+            m -> mreg.<LongMetric>findMetric(m).value(),
+            m -> mreg.<HistogramMetricImpl>findMetric(m).value()
+        );
+    }
+
+    /** Checks the metrics for WAL processing. */
+    private void checkWalProcessingMetrics(Function<String, Long> longMetric, 
Function<String, long[]> longMetricArray) {
+        assertNotNull(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL));
+
+        assertTrue(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL) > 0);
+
+        
assertTrue(Arrays.stream(longMetricArray.apply(EVENTS_CONSUMPTION_TIME)).sum() 
> 0);
+    }
+
+    /** @return MBean for CDC metrics */
+    private DynamicMBean getJmxCdcReg(CdcMain cdc) {

Review Comment:
   ```suggestion
       private DynamicMBean jmxRegistry(CdcMain cdc) {
   ```



##########
modules/core/src/test/java/org/apache/ignite/cdc/AbstractCdcTest.java:
##########
@@ -269,6 +261,55 @@ private void checkMetrics(long expCnt, Function<String, 
Long> longMetric, Functi
         assertEquals(expCnt, (long)longMetric.apply(EVTS_CNT));
     }
 
+    /**
+     * @param cdc - {@link CdcMain} instance.
+     */
+    protected void checkWalProcessingMetrics(CdcMain cdc) {
+        DynamicMBean jmxCdcReg = getJmxCdcReg(cdc);
+
+        checkWalProcessingMetrics((Function<String, Long>)jmxVal(jmxCdcReg), 
(Function<String, long[]>)jmxVal(jmxCdcReg));
+
+        MetricRegistry mreg = getMetricRegistry(cdc);
+
+        checkWalProcessingMetrics(
+            m -> mreg.<LongMetric>findMetric(m).value(),
+            m -> mreg.<HistogramMetricImpl>findMetric(m).value()
+        );
+    }
+
+    /** Checks the metrics for WAL processing. */
+    private void checkWalProcessingMetrics(Function<String, Long> longMetric, 
Function<String, long[]> longMetricArray) {
+        assertNotNull(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL));
+
+        assertTrue(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL) > 0);
+
+        
assertTrue(Arrays.stream(longMetricArray.apply(EVENTS_CONSUMPTION_TIME)).sum() 
> 0);
+    }
+
+    /** @return MBean for CDC metrics */
+    private DynamicMBean getJmxCdcReg(CdcMain cdc) {
+        IgniteConfiguration cfg = getFieldValue(cdc, "igniteCfg");
+
+        return metricRegistry(cdcInstanceName(cfg.getIgniteInstanceName()), 
null, "cdc");
+    }
+
+    /** @return {@link MetricRegistry} */
+    private MetricRegistry getMetricRegistry(CdcMain cdc) {

Review Comment:
   ```suggestion
       private MetricRegistry registry(CdcMain cdc) {
   ```



##########
modules/core/src/test/java/org/apache/ignite/cdc/AbstractCdcTest.java:
##########
@@ -269,6 +261,55 @@ private void checkMetrics(long expCnt, Function<String, 
Long> longMetric, Functi
         assertEquals(expCnt, (long)longMetric.apply(EVTS_CNT));
     }
 
+    /**
+     * @param cdc - {@link CdcMain} instance.
+     */
+    protected void checkWalProcessingMetrics(CdcMain cdc) {
+        DynamicMBean jmxCdcReg = getJmxCdcReg(cdc);
+
+        checkWalProcessingMetrics((Function<String, Long>)jmxVal(jmxCdcReg), 
(Function<String, long[]>)jmxVal(jmxCdcReg));
+
+        MetricRegistry mreg = getMetricRegistry(cdc);
+
+        checkWalProcessingMetrics(
+            m -> mreg.<LongMetric>findMetric(m).value(),
+            m -> mreg.<HistogramMetricImpl>findMetric(m).value()
+        );
+    }
+
+    /** Checks the metrics for WAL processing. */
+    private void checkWalProcessingMetrics(Function<String, Long> longMetric, 
Function<String, long[]> longMetricArray) {
+        assertNotNull(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL));
+
+        assertTrue(longMetric.apply(EVENTS_CONSUMPTION_TIME_TOTAL) > 0);
+
+        
assertTrue(Arrays.stream(longMetricArray.apply(EVENTS_CONSUMPTION_TIME)).sum() 
> 0);
+    }
+
+    /** @return MBean for CDC metrics */
+    private DynamicMBean getJmxCdcReg(CdcMain cdc) {
+        IgniteConfiguration cfg = getFieldValue(cdc, "igniteCfg");
+
+        return metricRegistry(cdcInstanceName(cfg.getIgniteInstanceName()), 
null, "cdc");
+    }
+
+    /** @return {@link MetricRegistry} */
+    private MetricRegistry getMetricRegistry(CdcMain cdc) {
+        return getFieldValue(cdc, "mreg");
+    }
+
+    /** */
+    private Function<String, ?> jmxVal(DynamicMBean jmxCdcReg) {

Review Comment:
   ```suggestion
       private Function<String, ?> jmxValue(DynamicMBean jmxCdcReg) {
   ```



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