refactor: rename metrics & tweak system.caches table

[dantengsky]

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Summary

refactor: rename metrics & tweak system.caches table

• Column names of system.caches changed to

+------------------------+--------------------------------------------+-----------+------+ | node | name | num_items | size | +------------------------+--------------------------------------------+-----------+------+ | pEkQjwILMUbTu1GSJ0Vla1 | disk_cache_table_data | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_bloom_index_file_meta_data | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_bloom_index_filter | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_compact_segment_info | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_inverted_index_file | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_inverted_index_file_meta_data | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_parquet_file_meta | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_prune_partitions | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_table_data | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_table_snapshot | 0 | 0 | | pEkQjwILMUbTu1GSJ0Vla1 | memory_cache_table_statistics | 0 | 0 | +------------------------+--------------------------------------------+-----------+------+ 

• Metric names changed to

+-----------------------+--------------------------------------+---------+----------------------------------------------------+------------+ | node | metric | kind | labels | value | +-----------------------+--------------------------------------+---------+----------------------------------------------------+------------+ | opj7Vw9EjBbhQjnewuqWu | cache_access_count_total | counter | {"cache_name":"disk_cache_table_data"} | 18.0 | | opj7Vw9EjBbhQjnewuqWu | cache_access_count_total | counter | {"cache_name":"memory_cache_compact_segment_info"} | 3.0 | | opj7Vw9EjBbhQjnewuqWu | cache_access_count_total | counter | {"cache_name":"memory_cache_prune_partitions"} | 2.0 | | opj7Vw9EjBbhQjnewuqWu | cache_access_count_total | counter | {"cache_name":"memory_cache_table_data"} | 18.0 | | opj7Vw9EjBbhQjnewuqWu | cache_access_count_total | counter | {"cache_name":"memory_cache_table_snapshot"} | 4.0 | | opj7Vw9EjBbhQjnewuqWu | cache_hit_count_total | counter | {"cache_name":"memory_cache_compact_segment_info"} | 1.0 | | opj7Vw9EjBbhQjnewuqWu | cache_hit_count_total | counter | {"cache_name":"memory_cache_table_snapshot"} | 3.0 | | opj7Vw9EjBbhQjnewuqWu | cache_miss_count_total | counter | {"cache_name":"disk_cache_table_data"} | 27428119.0 | | opj7Vw9EjBbhQjnewuqWu | cache_miss_count_total | counter | {"cache_name":"memory_cache_compact_segment_info"} | 2.0 | | opj7Vw9EjBbhQjnewuqWu | cache_miss_count_total | counter | {"cache_name":"memory_cache_prune_partitions"} | 2.0 | | opj7Vw9EjBbhQjnewuqWu | cache_miss_count_total | counter | {"cache_name":"memory_cache_table_data"} | 27428119.0 | | opj7Vw9EjBbhQjnewuqWu | cache_miss_count_total | counter | {"cache_name":"memory_cache_table_snapshot"} | 1.0 | | opj7Vw9EjBbhQjnewuqWu | cache_population_pending_count_total | counter | {"cache_name":"disk_cache_table_data"} | 0.0 | +-----------------------+--------------------------------------+---------+----------------------------------------------------+------------+ 

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - covered by existing test cases

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):

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This change is