refactor: increase default time_travel_version_cache_capacity (#21219)

Author: zwang28

src/common/src/config.rs

@@ -1935,7 +1935,7 @@ pub mod default {
         }
 
         pub fn time_travel_version_cache_capacity() -> u64 {
-            2
+            10
         }
     }
 

src/config/docs.md

@@ -172,7 +172,7 @@ This page is automatically generated by `./risedev generate-example-config`
 | shared_buffer_min_batch_flush_size_mb | The minimum total flush size of shared buffer spill. When a shared buffer spilled is trigger, the total flush size across multiple epochs should be at least higher than this size. | 800 |
 | sstable_id_remote_fetch_number | Number of SST ids fetched from meta per RPC | 10 |
 | table_info_statistic_history_times | Deprecated: The window size of table info statistic history. | 240 |
-| time_travel_version_cache_capacity |  | 2 |
+| time_travel_version_cache_capacity |  | 10 |
 | write_conflict_detection_enabled | Whether to enable write conflict detection | true |
 
 ## storage.cache

src/config/example.toml

@@ -221,7 +221,7 @@ table_info_statistic_history_times = 240
 mem_table_spill_threshold = 4194304
 compactor_max_overlap_sst_count = 64
 compactor_max_preload_meta_file_count = 32
-time_travel_version_cache_capacity = 2
+time_travel_version_cache_capacity = 10
 
 [storage.cache.block_cache_eviction]
 algorithm = "Lru"