[inlong] branch master updated: [INLONG-5970][Sort] Support metrics state restore for iceberg connector (#5973)

[yunqing]

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yunqing pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 0394181db [INLONG-5970][Sort] Support metrics state restore for 
iceberg connector (#5973)
0394181db is described below

commit 0394181db774a946c88cf3ee2b0668e644e81465
Author: thesumery <107393625+thesum...@users.noreply.github.com>
AuthorDate: Wed Sep 21 16:04:01 2022 +0800

    [INLONG-5970][Sort] Support metrics state restore for iceberg connector 
(#5973)
    
    Co-authored-by: thesumery <158971...@qq.com>
---
 .../sort/iceberg/sink/IcebergStreamWriter.java     | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git 
a/inlong-sort/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/IcebergStreamWriter.java
 
b/inlong-sort/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/IcebergStreamWriter.java
index 8318c7177..6f1b75ea0 100644
--- 
a/inlong-sort/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/IcebergStreamWriter.java
+++ 
b/inlong-sort/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/IcebergStreamWriter.java
@@ -19,6 +19,12 @@
 
 package org.apache.inlong.sort.iceberg.sink;
 
+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.runtime.state.StateInitializationContext;
+import org.apache.flink.runtime.state.StateSnapshotContext;
 import org.apache.flink.streaming.api.operators.AbstractStreamOperator;
 import org.apache.flink.streaming.api.operators.BoundedOneInput;
 import org.apache.flink.streaming.api.operators.ChainingStrategy;
@@ -30,11 +36,17 @@ import org.apache.iceberg.io.WriteResult;
 import org.apache.iceberg.relocated.com.google.common.base.MoreObjects;
 import org.apache.inlong.sort.base.metric.MetricOption;
 import org.apache.inlong.sort.base.metric.MetricOption.RegisteredMetric;
+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 javax.annotation.Nullable;
 import java.io.IOException;
 
+import static org.apache.inlong.sort.base.Constants.INLONG_METRIC_STATE_NAME;
+import static org.apache.inlong.sort.base.Constants.NUM_BYTES_OUT;
+import static org.apache.inlong.sort.base.Constants.NUM_RECORDS_OUT;
+
 /**
  * Copy from iceberg-flink:iceberg-flink-1.13:0.13.2
  */
@@ -53,6 +65,8 @@ class IcebergStreamWriter<T> extends 
AbstractStreamOperator<WriteResult>
     private transient int attemptId;
     @Nullable
     private transient SinkMetricData metricData;
+    private transient ListState<MetricState> metricStateListState;
+    private transient MetricState metricState;
 
     IcebergStreamWriter(
             String fullTableName,
@@ -81,6 +95,8 @@ class IcebergStreamWriter<T> extends 
AbstractStreamOperator<WriteResult>
         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)
                 .withRegisterMetric(RegisteredMetric.ALL)
                 .build();
         if (metricOption != null) {
@@ -105,6 +121,31 @@ class IcebergStreamWriter<T> extends 
AbstractStreamOperator<WriteResult>
         }
     }
 
+    @Override
+    public void initializeState(StateInitializationContext context) throws 
Exception {
+        super.initializeState(context);
+        // init metric state
+        if (this.inlongMetric != null) {
+            this.metricStateListState = 
context.getOperatorStateStore().getUnionListState(
+                    new ListStateDescriptor<>(
+                            INLONG_METRIC_STATE_NAME, TypeInformation.of(new 
TypeHint<MetricState>() {
+                    })));
+        }
+        if (context.isRestored()) {
+            metricState = 
MetricStateUtils.restoreMetricState(metricStateListState,
+                    getRuntimeContext().getIndexOfThisSubtask(), 
getRuntimeContext().getNumberOfParallelSubtasks());
+        }
+    }
+
+    @Override
+    public void snapshotState(StateSnapshotContext context) throws Exception {
+        super.snapshotState(context);
+        if (metricData != null && metricStateListState != null) {
+            
MetricStateUtils.snapshotMetricStateForSinkMetricData(metricStateListState, 
metricData,
+                    getRuntimeContext().getIndexOfThisSubtask());
+        }
+    }
+
     @Override
     public void dispose() throws Exception {
         super.dispose();