cxzl25 opened a new pull request, #7573:
URL: https://github.com/apache/hudi/pull/7573
### Change Logs
Avoid using GenericRecord in ColumnStatMetadata.
`HoodieMetadataPayload` is constructed using `GenericRecord` with
reflection, and `columnStatMetadata` stores `minValue` and `maxValue`, both of
which are `GenericRecord` types.
Once spill is generated, kryo deserialization fails.
#### Write fail log
```java
org.apache.hudi.com.esotericsoftware.kryo.KryoException:
java.lang.UnsupportedOperationException
Serialization trace:
reserved (org.apache.avro.Schema$Field)
fieldMap (org.apache.avro.Schema$RecordSchema)
schema (org.apache.avro.generic.GenericData$Record)
maxValue (org.apache.hudi.avro.model.HoodieMetadataColumnStats)
columnStatMetadata (org.apache.hudi.metadata.HoodieMetadataPayload)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:144)
at
org.apache.hudi.common.model.HoodieAvroRecord.readRecordPayload(HoodieAvroRecord.java:232)
at
org.apache.hudi.common.model.HoodieAvroRecord.readRecordPayload(HoodieAvroRecord.java:45)
at org.apache.hudi.common.model.HoodieRecord.read(HoodieRecord.java:339)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.DefaultSerializers$KryoSerializableSerializer.read(DefaultSerializers.java:520)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.DefaultSerializers$KryoSerializableSerializer.read(DefaultSerializers.java:512)
at
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)
at
org.apache.hudi.common.util.SerializationUtils$KryoSerializerInstance.deserialize(SerializationUtils.java:101)
at
org.apache.hudi.common.util.SerializationUtils.deserialize(SerializationUtils.java:75)
at
org.apache.hudi.common.util.collection.BitCaskDiskMap.get(BitCaskDiskMap.java:210)
at
org.apache.hudi.common.util.collection.BitCaskDiskMap.get(BitCaskDiskMap.java:203)
at
org.apache.hudi.common.util.collection.BitCaskDiskMap.get(BitCaskDiskMap.java:199)
at
org.apache.hudi.common.util.collection.BitCaskDiskMap.get(BitCaskDiskMap.java:68)
at
org.apache.hudi.common.util.collection.ExternalSpillableMap.get(ExternalSpillableMap.java:195)
at
org.apache.hudi.common.util.collection.ExternalSpillableMap.get(ExternalSpillableMap.java:54)
at
org.apache.hudi.io.HoodieCreateHandle.write(HoodieCreateHandle.java:188)
at
org.apache.hudi.table.HoodieSparkCopyOnWriteTable.handleInsert(HoodieSparkCopyOnWriteTable.java:257)
at
org.apache.hudi.table.action.compact.CompactionExecutionHelper.writeFileAndGetWriteStats(CompactionExecutionHelper.java:68)
at
org.apache.hudi.table.action.compact.HoodieCompactor.compact(HoodieCompactor.java:231)
at
org.apache.hudi.table.action.compact.HoodieCompactor.lambda$compact$9cd4b1be$1(HoodieCompactor.java:129)
at
org.apache.spark.api.java.JavaPairRDD$.$anonfun$toScalaFunction$1(JavaPairRDD.scala:1070)
Caused by: java.lang.UnsupportedOperationException
at
java.util.Collections$UnmodifiableCollection.add(Collections.java:1055)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:134)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:40)
at
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
at
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
```
#### construct HoodieMetadataPayload
```java
at
org.apache.hudi.metadata.HoodieMetadataPayload.<init>(HoodieMetadataPayload.java:233)
at
org.apache.hudi.metadata.HoodieMetadataPayload.<init>(HoodieMetadataPayload.java:182)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.hudi.common.util.HoodieRecordUtils.loadPayload(HoodieRecordUtils.java:99)
at
org.apache.hudi.common.util.SpillableMapUtils.convertToHoodieRecordPayload(SpillableMapUtils.java:140)
at
org.apache.hudi.avro.HoodieAvroUtils.createHoodieRecordFromAvro(HoodieAvroUtils.java:1078)
at
org.apache.hudi.common.model.HoodieAvroIndexedRecord.wrapIntoHoodieRecordPayloadWithParams(HoodieAvroIndexedRecord.java:168)
at
org.apache.hudi.common.table.log.AbstractHoodieLogRecordReader.processDataBlock(AbstractHoodieLogRecordReader.java:644)
at
org.apache.hudi.common.table.log.AbstractHoodieLogRecordReader.processQueuedBlocksForInstant(AbstractHoodieLogRecordReader.java:688)
```
### Impact
cause write failure
### Risk level (write none, low medium or high below)
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change_
- _The config description must be updated if new configs are added or the
default value of the configs are changed_
- _Any new feature or user-facing change requires updating the Hudi website.
Please create a Jira ticket, attach the
ticket number here and follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website) to
make
changes to the website._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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