feat: set max log files to 720 by default, info log only #20117

Job	Run time
Check (windows-2022)	7m 1s
Build GreptimeDB binaries (ubuntu-20.04)	3m 11s
Check typos and docs	10s
Check (ubuntu-20.04)	2m 12s
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	3m 13s
Clippy	3m 56s
coverage	9m 0s
Rustfmt	43s
Check License Header	2m 17s
Toml Check	2m 12s
Sqlness Test (Basic)	2m 38s
Fuzz Test (fuzz_create_table)	6m 12s
Sqlness Test (Remote WAL)	3m 9s
Fuzz Test (fuzz_alter_table)	6m 11s
Fuzz Test (fuzz_create_database)	8m 14s
Fuzz Test (fuzz_create_logical_table)	6m 46s
Fuzz Test (fuzz_alter_logical_table)	6m 56s
Fuzz Test (fuzz_insert)	4m 52s
Fuzz Test (fuzz_insert_logical_table)	6m 20s
Fuzz Test (Distributed, Remote WAL, fuzz_create_table)	9m 2s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_table)	8m 3s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_migrate_mito_regions)	9m 24s
Unstable Fuzz Test (unstable_fuzz_create_table_standalone)	6m 34s
Fuzz Test (Distributed, Remote WAL, fuzz_create_database)	7m 21s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_mito_regions)	7m 18s
Fuzz Test (Distributed, Remote WAL, fuzz_create_logical_table)	9m 40s
Fuzz Test with Chaos (Distributed, Remote WAL, fuzz_failover_metric_regions)	8m 7s
Fuzz Test (Distributed, Remote WAL, fuzz_alter_logical_table)	10m 0s
Fuzz Test (Distributed, Remote WAL, fuzz_insert)	6m 57s
Fuzz Test (Distributed, Remote WAL, fuzz_insert_logical_table)	10m 49s
	2h 58m 28s

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