The log file was quickly filled up.

[AlbertLin0]

Describe the bug
there are a lot of same output in the console:
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition
(KVStorageActor pid=6738) RocksDB flushed for partition

To Reproduce
atomic_config.yaml:

global_params:
  working_dir: cache
  graph_backend: kuzu # graph database backend, support: kuzu, networkx
  kv_backend: rocksdb # key-value store backend, support: rocksdb, json_kv

nodes:
  - id: read
    op_name: read
    type: source
    dependencies: []
    params:
      input_path:
        - examples/input_examples/red_yellow_demo.pdf

  - id: chunk
    op_name: chunk
    type: map_batch
    dependencies:
      - read
    execution_params:
      replicas: 4
    params:
      chunk_size: 1024
      chunk_overlap: 100

  - id: build_kg
    op_name: build_kg
    type: map_batch
    execution_params:
      replicas: 1
      batch_size: 8
    dependencies:
      - chunk

  - id: partition
    op_name: partition
    type: aggregate
    dependencies:
      - build_kg
    params:
      method: dfs
      method_params:
        max_units_per_community: 1

  - id: generate
    op_name: generate
    type: map_batch
    dependencies:
      - partition
    execution_params:
      replicas: 1
      batch_size: 8
    save_output: true
    params:
      method: atomic
      data_format: Alpaca

and I config mineru with http format.

[ChenZiHong-Gavin]

Fixed by PR #185.