gong commented on code in PR #7059: URL: https://github.com/apache/inlong/pull/7059#discussion_r1058093963
########## inlong-sort/sort-connectors/kudu/src/main/java/org/apache/inlong/sort/kudu/sink/AbstractKuduSinkFunction.java: ########## @@ -0,0 +1,206 @@ +/* + * 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.inlong.sort.kudu.sink; + +import org.apache.flink.annotation.PublicEvolving; +import org.apache.flink.api.common.state.ListState; +import org.apache.flink.api.common.state.ListStateDescriptor; +import org.apache.flink.api.common.typeinfo.TypeHint; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.runtime.state.FunctionInitializationContext; +import org.apache.flink.runtime.state.FunctionSnapshotContext; +import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction; +import org.apache.flink.streaming.api.functions.sink.RichSinkFunction; +import org.apache.flink.table.api.TableSchema; +import org.apache.flink.table.data.RowData; +import org.apache.inlong.sort.base.metric.MetricOption; +import org.apache.inlong.sort.base.metric.MetricState; +import org.apache.inlong.sort.base.metric.SinkMetricData; +import org.apache.inlong.sort.base.util.MetricStateUtils; +import org.apache.kudu.client.SessionConfiguration; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; + +import static org.apache.inlong.sort.base.Constants.*; +import static org.apache.inlong.sort.kudu.common.KuduOptions.*; + +/** + * The base for all kudu sinks. + */ +@PublicEvolving +public abstract class AbstractKuduSinkFunction + extends + RichSinkFunction<RowData> + implements + CheckpointedFunction { + + private static final long serialVersionUID = 1L; + + private static final Logger LOG = LoggerFactory.getLogger(AbstractKuduSinkFunction.class); + + /** + * The masters of kudu server. + */ + protected final String masters; + /** + * The name of kudu table. + */ + protected final String tableName; + /** + * The flink TableSchema. + */ + protected final TableSchema flinkTableSchema; + + protected String connectorMetricIdentify; + + /** + * The configuration of kudu sinkFunction. + */ + protected final Configuration configuration; + + /** + * The maximum number of buffered records. + */ + protected final int maxBufferSize; + + /** + * The maximum number of retries. + */ + protected final int maxRetries; + + /** + * True if the sink is running. + */ + protected volatile boolean running; + + /** + * The exception thrown in asynchronous tasks. + */ + private transient Throwable flushThrowable; + + protected final SessionConfiguration.FlushMode flushMode; + /** + * whether load metadata in `open` function + */ + protected boolean lazyLoadSchema; + + private SinkMetricData sinkMetricData; + + private transient ListState<MetricState> metricStateListState; + private transient MetricState metricState; + + private final String auditHostAndPorts; + + private final String inlongMetric; + + public AbstractKuduSinkFunction( + TableSchema flinkTableSchema, + String masters, + String tableName, + SessionConfiguration.FlushMode flushMode, + Configuration configuration, + String inlongMetric, + String auditHostAndPorts) { + this.masters = masters; + this.flushMode = flushMode; + this.tableName = tableName; + this.flinkTableSchema = flinkTableSchema; + this.configuration = configuration; + this.maxRetries = configuration.getInteger(MAX_RETRIES); + this.maxBufferSize = configuration.getInteger(MAX_BUFFER_SIZE); + this.lazyLoadSchema = configuration.getBoolean(LAZY_LOAD_SCHEMA); + this.inlongMetric = inlongMetric; + this.auditHostAndPorts = auditHostAndPorts; + MetricOption metricOption = MetricOption.builder() + .withInlongLabels(inlongMetric) + .withInlongAudit(auditHostAndPorts) + .withInitRecords(metricState != null ? metricState.getMetricValue(NUM_RECORDS_OUT) : 0L) + .withInitBytes(metricState != null ? metricState.getMetricValue(NUM_BYTES_OUT) : 0L) + .withInitDirtyRecords(metricState != null ? metricState.getMetricValue(DIRTY_RECORDS_OUT) : 0L) + .withInitDirtyBytes(metricState != null ? metricState.getMetricValue(DIRTY_BYTES_OUT) : 0L) + .withRegisterMetric(MetricOption.RegisteredMetric.ALL) + .build(); + if (metricOption != null) { + sinkMetricData = new SinkMetricData(metricOption, getRuntimeContext().getMetricGroup()); + } + } + + @Override + public void open(Configuration parameters) throws Exception { + this.running = true; + } + + @Override + public void invoke( + RowData row, + Context context) throws Exception { + addBatch(row); + sendMetrics(row.toString().getBytes()); + } + + /** + * Adds a record in the buffer. + */ + protected abstract void addBatch(RowData in) throws Exception; + + @Override + public void close() throws Exception { + this.running = false; + } + + @Override + public void snapshotState(FunctionSnapshotContext functionSnapshotContext) { + checkError(); + // We must store the exception caught in the flushing so that the + // task thread can be aware of the failure. + try { + flush(); + } catch (IOException e) { + this.flushThrowable = e; + } + checkError(); + } Review Comment: lost metric snapshot call -- This is an automated message from the Apache Git Service. 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