[SUPPORT]How to resolve small file?

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**Describe the problem you faced**

we ingest log data into hudi,we use 'cow + insert' which means append mode.we found there are some small file on hdfs，so we use clustering to resolve the problem,but no effect!

**To Reproduce**

Steps to reproduce the behavior:

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**Expected behavior**

A clear and concise description of what you expected to happen.

**Environment Description**

* Hudi version :
0.13.0
* Flink version :
1.15..0
* Hive version :
3.1.2
* Hadoop version :
3.3.2
* Storage (HDFS/S3/GCS..) :
hdfs
* Running on Docker? (yes/no) :
k8s

**Additional context**

Add any other context about the problem here.

**Stacktrace**

```Add the stacktrace of the error.```