Filebeat registry (inode) clean case restart slow

[john_am (john)]

1 What's go on?
Filebeat terrible slow to start harvest after I configure the inode clean.
2 My config are as follow:
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• type: log
  enabled: true
  paths:
  • /data/aaa/aaa/**
    tags: ["aaa"]
    fields:
    public_ip: 14.116.220.177
    agent:
    name: guangzhou4_10.10.3.207
    exclude_lines: ['^\n']
    exclude_files: ['.lz4$']
    ignore_older: 24h
    clean_inactive: 100h
    clean_removed: true
    </>
    3 Why so slow ?
    1 I have 30000 file per day. In this configure, data/registry/filebeat/data.json file has nearly 100000 record;
    2 Each time When i try to restart , Filebeat check each record in data/registry/filebeat/data.json file. What terrible is filebeat check each record in sync into a new file ,.What the ......