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[FLINK-35242][runtime] Add schema operator metrics
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86 changes: 86 additions & 0 deletions
86
...ain/java/org/apache/flink/cdc/runtime/operators/schema/metrics/SchemaOperatorMetrics.java
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/* | ||
* 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. | ||
*/ | ||
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package org.apache.flink.cdc.runtime.operators.schema.metrics; | ||
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import org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior; | ||
import org.apache.flink.cdc.runtime.operators.schema.SchemaOperator; | ||
import org.apache.flink.metrics.Counter; | ||
import org.apache.flink.metrics.MetricGroup; | ||
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import java.util.HashMap; | ||
import java.util.Map; | ||
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/** A collection class for handling metrics in {@link SchemaOperator}. */ | ||
public class SchemaOperatorMetrics { | ||
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/** Current schema change behavior. */ | ||
public static final String SCHEMA_CHANGE_BEHAVIOR = "schemaChangeBehavior"; | ||
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public static final Map<SchemaChangeBehavior, Integer> SCHEMA_CHANGE_BEHAVIOR_INTEGER_MAP = | ||
new HashMap<SchemaChangeBehavior, Integer>() { | ||
{ | ||
put(SchemaChangeBehavior.IGNORE, 0); | ||
put(SchemaChangeBehavior.TRY_EVOLVE, 1); | ||
put(SchemaChangeBehavior.EVOLVE, 2); | ||
put(SchemaChangeBehavior.EXCEPTION, 3); | ||
} | ||
}; | ||
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/** Total count of schema change events received. */ | ||
public static final String NUM_SCHEMA_CHANGE_EVENTS = "numSchemaChangeEvents"; | ||
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/** Number of successfully applied schema change events. */ | ||
public static final String NUM_FINISHED_SCHEMA_CHANGE_EVENTS = "numFinishedSchemaChangeEvents"; | ||
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/** Number of schema change events that failed to apply. */ | ||
public static final String NUM_FAILED_SCHEMA_CHANGE_EVENTS = "numFailedSchemaChangeEvents"; | ||
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/** Number of schema change events ignored. */ | ||
public static final String NUM_IGNORED_SCHEMA_CHANGE_EVENTS = "numIgnoredSchemaChangeEvents"; | ||
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private final Counter numSchemaChangeEventsCounter; | ||
private final Counter numFinishedSchemaChangeEventsCounter; | ||
private final Counter numFailedSchemaChangeEventsCounter; | ||
private final Counter numIgnoredSchemaChangeEventsCounter; | ||
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public SchemaOperatorMetrics(MetricGroup metricGroup, SchemaChangeBehavior behavior) { | ||
numSchemaChangeEventsCounter = metricGroup.counter(NUM_SCHEMA_CHANGE_EVENTS); | ||
numFinishedSchemaChangeEventsCounter = | ||
metricGroup.counter(NUM_FINISHED_SCHEMA_CHANGE_EVENTS); | ||
numFailedSchemaChangeEventsCounter = metricGroup.counter(NUM_FAILED_SCHEMA_CHANGE_EVENTS); | ||
numIgnoredSchemaChangeEventsCounter = metricGroup.counter(NUM_IGNORED_SCHEMA_CHANGE_EVENTS); | ||
metricGroup.gauge( | ||
SCHEMA_CHANGE_BEHAVIOR, () -> SCHEMA_CHANGE_BEHAVIOR_INTEGER_MAP.get(behavior)); | ||
} | ||
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public void increaseSchemaChangeEvents(long count) { | ||
numSchemaChangeEventsCounter.inc(count); | ||
} | ||
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public void increaseFinishedSchemaChangeEvents(long count) { | ||
numFinishedSchemaChangeEventsCounter.inc(count); | ||
} | ||
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public void increaseFailedSchemaChangeEvents(long count) { | ||
numFailedSchemaChangeEventsCounter.inc(count); | ||
} | ||
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public void increaseIgnoredSchemaChangeEvents(long count) { | ||
numIgnoredSchemaChangeEventsCounter.inc(count); | ||
} | ||
} |
23 changes: 0 additions & 23 deletions
23
...src/test/java/org/apache/flink/cdc/runtime/operators/schema/SchemaEvolveBehaviorTest.java
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