lightning import gz file too slow

[GMHDBJD]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

import gz file from gcp

2. What did you expect to see? (Required)

import success quickly

3. What did you see instead (Required)

import speed slow

4. What is your TiDB version? (Required)

7.1.1

[GMHDBJD]

[2023/11/14 07:10:18.023 +00:00] [INFO] [chunk_process.go:190] ["restore file completed"] [table=`honda_test`.`reports`] [engineNumber=0] [fileIndex=0] [path=honda_test.reports.0001.csv.gz:0] [readDur=4m7.584869122s] [encodeDur=35.335457448s] [deliverDur=2.80374911s] [checksum="{cksum=6520750393175196025,size=620532615,kvs=1439109}"] [takeTime=4m44.041484517s] []
2023-11-15 00:32:13	
[2023/11/14 16:32:13.283 +00:00] [INFO] [table_import.go:769] ["encode kv data and write completed"] [table=`honda_test`.`reports`] [engineNumber=0] [read(bytes)=0] [written=2358976264597] [takeTime=9h26m39.354162396s] []

[D3Hunter]

most time is taken by file download and decompress, mark it as enhancement