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doris/regression-test
Ashin Gau d5b490b2e7 [test](regression) add file cache regression test (#24192)
Add file cache regression test in tpch 1g on orc&parquet format.
tpch will run 3 times:
1. running without file cache
2. running with file cache for the first time
3. running with file cache for the second time

The file cache configuration is already added in `be/conf/be.conf` on the regression test environment, and the available capacity is 100MB. After running the tpch 1g test, the metrics introduced by https://github.com/apache/doris/pull/19177 is like:
```
doris_be_file_cache_normal_queue_curr_size{path="/mnt/datadisk1/gaoxin/file_cache"} 92808933
doris_be_file_cache_normal_queue_curr_elements{path="/mnt/datadisk1/gaoxin/file_cache"} 59
doris_be_file_cache_normal_queue_max_elements{path="/mnt/datadisk1/gaoxin/file_cache"} 102400
doris_be_file_cache_normal_queue_max_size{path="/mnt/datadisk1/gaoxin/file_cache"} 89128960
doris_be_file_cache_removed_elements{path="/mnt/datadisk1/gaoxin/file_cache"} 2132
doris_be_file_cache_segment_reader_cache_size{path="/mnt/datadisk1/gaoxin/file_cache"} 54
```
2023-09-13 22:59:01 +08:00
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