ad1happy2go commented on issue #9977:
URL: https://github.com/apache/hudi/issues/9977#issuecomment-1801883991
@mzheng-plaid I just tried to first generate data as per your configuration
```
hudi_configs = {
"hoodie.table.name": TABLE_NAME,
"hoodie.datasource.write.recordkey.field": "UUID",
"hoodie.datasource.write.precombine.field": "Name",
"hoodie.datasource.write.partitionpath.field": "Country",
"hoodie.datasource.write.operation": "upsert",
"hoodie.datasource.write.hive_style_partitioning": "true",
"hoodie.compact.inline": "true",
'hoodie.compact.inline.max.delta.commits': 6,
'hoodie.cleaner.commits.retained': 1,
'hoodie.bloom.index.prune.by.ranges': 'false',
'hoodie.datasource.write.payload.class':
'org.apache.hudi.common.model.DefaultHoodieRecordPayload',
'hoodie.compaction.payload.class':
'org.apache.hudi.common.model.DefaultHoodieRecordPayload',
'hoodie.commits.archival.batch': 5,
'hoodie.datasource.write.table.type': 'MERGE_ON_READ',
'hoodie.metadata.enable': 'false',
'hoodie.bootstrap.index.enable': 'false',
'hoodie.index.type': 'BLOOM',
'hoodie.parquet.max.file.size': -1,
}
insert_df = get_insert_df(spark, 1000)
insert_df.write.format("hudi").mode("overwrite").options(**hudi_configs).save(PATH)
for i in range(1, 50):
update_df = insert_df.withColumn("Age" , expr("Age + 1"))
insert_df = get_insert_df(spark, 1000)
insert_df.union(update_df).write.format("hudi").mode("append").options(**hudi_configs).save(PATH)
```
Then I just ran clustering but noticed there was no data loss.
```
'hoodie.compact.inline': True,
'hoodie.compact.inline.max.delta.commits': 6,
'hoodie.cleaner.commits.retained': 1,
'hoodie.compaction.target.io': 30000000,
'hoodie.parquet.max.file.size': 536870912,
'hoodie.parquet.block.size': 536870912,
'hoodie.parquet.small.file.limit': 268435456,
'hoodie.bloom.index.prune.by.ranges': 'false',
'hoodie.upsert.shuffle.parallelism': 9000,
'hoodie.datasource.write.payload.class':
'org.apache.hudi.common.model.DefaultHoodieRecordPayload',
'hoodie.compaction.payload.class':
'org.apache.hudi.common.model.DefaultHoodieRecordPayload',
'hoodie.rollback.parallelism': 500,
'hoodie.commits.archival.batch': 5,
"hoodie.datasource.write.table.name": xxx,
"hoodie.datasource.write.operation": "upsert",
"hoodie.datasource.write.keygenerator.class":
"org.apache.hudi.keygen.CustomKeyGenerator",
"hoodie.datasource.write.hive_style_partitioning": "true",
"hoodie.metadata.enable": "false",
"hoodie.bootstrap.index.enable": "false",
"hoodie.index.type": "BLOOM"
```
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