How to improve writing speed? It is always less than 40w/s.

[maomaoxiaoxiao1]

I am using Doris link connector to write a Doris dual node cluster, but the write speed has been around 40w/s and cannot be improved. The CPU (48 cores) of the BE node is only 25%, and there is a lot of spare space in both disk and network. Do you have any suggestions for further optimization? Or where do I need to modify my configuration? thank you.
我在使用doris-flink-connector写doris双节点集群，写入速度一直在约40w/s左右无法提高了，be节点的cpu（48核）只有25%，磁盘和网络都有很大的富余，请问有什么地方提议进一步优化呢？或者我的配置哪里需要修改呢？谢谢。
我的be节点配置：
push_worker_count_high_priority = 24
push_worker_count_normal_priority = 24
streaming_load_json_max_mb = 1024
number_tablet_writer_threads = 72
max_send_batch_parallelism_per_job = 48
enable_single_replica_load = true

#params for log write
enable_file_cache = true
file_cache_path = [{"path": "/data/doris_file_cache", "total_size":53687091200, "query_limit": "10737418240"}]
#write_buffer_size = 1073741824
write_buffer_size = 2147483648
max_tablet_version_num = 20000
max_cumu_compaction_threads = 12
inverted_index_compaction_enable = true
enable_segcompaction = false
enable_ordered_data_compaction = false
enable_compaction_priority_scheduling = false
total_permits_for_compaction_score = 200000
disable_storage_page_cache = true
inverted_index_searcher_cache_limit = 30%
inverted_index_cache_stale_sweep_time_sec = 3600
index_cache_entry_stay_time_after_lookup_s = 3600
enable_inverted_index_cache_on_cooldown = true

enable_write_index_searcher_cache = false
tablet_schema_cache_recycle_interval = 3600
segment_cache_capacity = 20000
inverted_index_ram_dir_enable = true
pipeline_executor_size = 36
doris_scanner_thread_pool_thread_num = 72
scan_thread_nice_value = 5
string_type_length_soft_limit_bytes = 10485760
trash_file_expire_time_sec = 300
path_gc_check_interval_second = 900
path_scan_interval_second = 900

fe配置：
#test
async_loading_load_task_pool_size = 24
enable_single_replica_load = true

#params for log write
max_running_txn_num_per_db = 10000
streaming_label_keep_max_second = 3600
label_keep_max_second = 7200
enable_round_robin_create_tablet = true
tablet_rebalancer_type = partition
autobucket_min_buckets = 10
max_backend_heartbeat_failure_tolerance_count = 10

[ixzc]

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