|
1 | 1 | ---
|
2 | 2 | 'sidebar_position': 1
|
3 |
| -'sidebar_label': '测试版功能与实验' |
| 3 | +'sidebar_label': '测试版功能和实验' |
4 | 4 | 'title': '测试版和实验功能'
|
5 |
| -'description': 'ClickHouse 拥有 beta 和实验功能。该文档页面讨论了定义。' |
| 5 | +'description': 'ClickHouse 具有 beta 和实验功能。此文档页面讨论定义。' |
6 | 6 | 'slug': '/beta-and-experimental-features'
|
7 | 7 | ---
|
8 | 8 |
|
9 |
| -因为 ClickHouse 是开源的,所以它不仅得到了 ClickHouse 员工的贡献,也得到了社区的贡献。这些贡献通常以不同的速度进行;某些功能可能需要较长的原型阶段或更多时间以获得足够的社区反馈和迭代,才能被视为正式可用(GA)。 |
| 9 | +因为 ClickHouse 是开源的,它不仅得到了 ClickHouse 员工的许多贡献,还得到了社区的贡献。这些贡献的开发速度往往不同;某些功能可能需要较长的原型开发阶段,或者需要更多时间进行充分的社区反馈和迭代,才能被视为一般可用(GA)。 |
10 | 10 |
|
11 |
| -由于何时将功能归类为正式可用存在不确定性,我们将功能划分为两个类别:**Beta** 和 **Experimental**。 |
| 11 | +由于不确定什么时候功能被分类为一般可用,我们将功能分为两个类别:**Beta** 和 **Experimental**。 |
12 | 12 |
|
13 |
| -**Beta** 功能得到了 ClickHouse 团队的正式支持。 **Experimental** 功能是由 ClickHouse 团队或社区驱动的早期原型,并未得到正式支持。 |
| 13 | +**Beta** 功能由 ClickHouse 团队正式支持。**Experimental** 功能是由 ClickHouse 团队或社区驱动的早期原型,且不被正式支持。 |
14 | 14 |
|
15 |
| -以下部分明确描述了 **Beta** 和 **Experimental** 功能的属性: |
| 15 | +下面的部分明确描述了 **Beta** 和 **Experimental** 功能的属性: |
16 | 16 |
|
17 | 17 | ## Beta Features {#beta-features}
|
18 | 18 |
|
19 |
| -- 正在积极开发中,以使其正式可用(GA) |
| 19 | +- 正在积极开发中,以使其达到一般可用(GA) |
20 | 20 | - 主要已知问题可以在 GitHub 上跟踪
|
21 | 21 | - 功能可能在未来发生变化
|
22 | 22 | - 可能在 ClickHouse Cloud 中启用
|
23 | 23 | - ClickHouse 团队支持 beta 功能
|
24 | 24 |
|
25 |
| -以下功能被视为 ClickHouse Cloud 中的 Beta,并可在 ClickHouse Cloud 服务中使用,即使它们可能当前处于 ClickHouse 的 ```allow_experimental_*``` 设置下: |
| 25 | +以下功能在 ClickHouse Cloud 中被视为 Beta,并可在 ClickHouse Cloud 服务中使用,即使它们当前处于一个名为 ```allow_experimental_*``` 的 ClickHouse 设置中: |
26 | 26 |
|
27 |
| -注意:请确保您使用的是当前版本的 ClickHouse [compatibility](/operations/settings/settings#compatibility) 设置,以便使用最近引入的功能。 |
| 27 | +注意:请确保使用当前版本的 ClickHouse [compatibility](/operations/settings/settings#compatibility) 设置,以便使用最近引入的功能。 |
28 | 28 |
|
29 | 29 | ## Experimental Features {#experimental-features}
|
30 | 30 |
|
31 | 31 | - 可能永远不会成为 GA
|
32 |
| -- 可能会被移除 |
33 |
| -- 可以引入重大更改 |
| 32 | +- 可能会被删除 |
| 33 | +- 可能引入重大变化 |
34 | 34 | - 功能可能在未来发生变化
|
35 |
| -- 需要明确启用 |
36 |
| -- ClickHouse 团队**不支持** experimental 功能 |
37 |
| -- 可能缺少重要的功能和文档 |
38 |
| -- 不能在云中启用 |
| 35 | +- 需要故意启用 |
| 36 | +- ClickHouse 团队 **不支持** Experimental 功能 |
| 37 | +- 可能缺乏重要的功能和文档 |
| 38 | +- 在云中无法启用 |
39 | 39 |
|
40 |
| -请注意:除了上述列为 Beta 的功能外,ClickHouse Cloud 中不允许启用其他 experimental 功能。 |
| 40 | +请注意:除了上述列为 Beta 的功能外,不允许在 ClickHouse Cloud 中启用其他 Experimental 功能。 |
41 | 41 |
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42 | 42 | <!-- The inner content of the tags below are replaced at build time with a table generated from source
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43 | 43 | Please do not modify or remove the tags
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44 | 44 | -->
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45 | 45 |
|
46 | 46 | <!--AUTOGENERATED_START-->
|
47 |
| -## Beta settings {#beta-settings} |
48 |
| - |
49 |
| -| Name | Default | |
50 |
| -|------|--------| |
51 |
| -| [allow_remote_fs_zero_copy_replication](/operations/settings/merge-tree-settings#allow_remote_fs_zero_copy_replication) | `0` | |
52 |
| -| [geotoh3_argument_order](/operations/settings/settings#geotoh3_argument_order) | `lat_lon` | |
53 |
| -| [allow_experimental_parallel_reading_from_replicas](/operations/settings/settings#allow_experimental_parallel_reading_from_replicas) | `0` | |
54 |
| -| [parallel_replicas_mode](/operations/settings/settings#parallel_replicas_mode) | `read_tasks` | |
55 |
| -| [parallel_replicas_count](/operations/settings/settings#parallel_replicas_count) | `0` | |
56 |
| -| [parallel_replica_offset](/operations/settings/settings#parallel_replica_offset) | `0` | |
57 |
| -| [parallel_replicas_custom_key](/operations/settings/settings#parallel_replicas_custom_key) | `` | |
58 |
| -| [parallel_replicas_custom_key_range_lower](/operations/settings/settings#parallel_replicas_custom_key_range_lower) | `0` | |
59 |
| -| [parallel_replicas_custom_key_range_upper](/operations/settings/settings#parallel_replicas_custom_key_range_upper) | `0` | |
60 |
| -| [cluster_for_parallel_replicas](/operations/settings/settings#cluster_for_parallel_replicas) | `` | |
61 |
| -| [parallel_replicas_allow_in_with_subquery](/operations/settings/settings#parallel_replicas_allow_in_with_subquery) | `1` | |
62 |
| -| [parallel_replicas_for_non_replicated_merge_tree](/operations/settings/settings#parallel_replicas_for_non_replicated_merge_tree) | `0` | |
63 |
| -| [parallel_replicas_min_number_of_rows_per_replica](/operations/settings/settings#parallel_replicas_min_number_of_rows_per_replica) | `0` | |
64 |
| -| [parallel_replicas_prefer_local_join](/operations/settings/settings#parallel_replicas_prefer_local_join) | `1` | |
65 |
| -| [parallel_replicas_mark_segment_size](/operations/settings/settings#parallel_replicas_mark_segment_size) | `0` | |
66 |
| -| [parallel_replicas_local_plan](/operations/settings/settings#parallel_replicas_local_plan) | `1` | |
67 |
| -| [parallel_replicas_index_analysis_only_on_coordinator](/operations/settings/settings#parallel_replicas_index_analysis_only_on_coordinator) | `1` | |
68 |
| -| [parallel_replicas_only_with_analyzer](/operations/settings/settings#parallel_replicas_only_with_analyzer) | `1` | |
69 |
| -| [parallel_replicas_insert_select_local_pipeline](/operations/settings/settings#parallel_replicas_insert_select_local_pipeline) | `1` | |
70 |
| -| [parallel_replicas_connect_timeout_ms](/operations/settings/settings#parallel_replicas_connect_timeout_ms) | `300` | |
71 |
| -| [session_timezone](/operations/settings/settings#session_timezone) | `` | |
72 |
| -| [low_priority_query_wait_time_ms](/operations/settings/settings#low_priority_query_wait_time_ms) | `1000` | |
73 |
| -| [max_limit_for_vector_search_queries](/operations/settings/settings#max_limit_for_vector_search_queries) | `1000` | |
74 |
| -| [hnsw_candidate_list_size_for_search](/operations/settings/settings#hnsw_candidate_list_size_for_search) | `256` | |
75 |
| -| [vector_search_filter_strategy](/operations/settings/settings#vector_search_filter_strategy) | `auto` | |
76 |
| -| [vector_search_postfilter_multiplier](/operations/settings/settings#vector_search_postfilter_multiplier) | `1` | |
77 |
| -| [allow_experimental_delta_kernel_rs](/operations/settings/settings#allow_experimental_delta_kernel_rs) | `1` | |
78 |
| - |
79 |
| - |
80 |
| -## Experimental settings {#experimental-settings} |
81 |
| - |
82 |
| -| Name | Default | |
83 |
| -|------|--------| |
84 |
| -| [allow_experimental_kafka_offsets_storage_in_keeper](/operations/settings/settings#allow_experimental_kafka_offsets_storage_in_keeper) | `0` | |
85 |
| -| [allow_experimental_correlated_subqueries](/operations/settings/settings#allow_experimental_correlated_subqueries) | `0` | |
86 |
| -| [allow_experimental_materialized_postgresql_table](/operations/settings/settings#allow_experimental_materialized_postgresql_table) | `0` | |
87 |
| -| [allow_experimental_funnel_functions](/operations/settings/settings#allow_experimental_funnel_functions) | `0` | |
88 |
| -| [allow_experimental_nlp_functions](/operations/settings/settings#allow_experimental_nlp_functions) | `0` | |
89 |
| -| [allow_experimental_hash_functions](/operations/settings/settings#allow_experimental_hash_functions) | `0` | |
90 |
| -| [allow_experimental_object_type](/operations/settings/settings#allow_experimental_object_type) | `0` | |
91 |
| -| [allow_experimental_time_series_table](/operations/settings/settings#allow_experimental_time_series_table) | `0` | |
92 |
| -| [allow_experimental_vector_similarity_index](/operations/settings/settings#allow_experimental_vector_similarity_index) | `0` | |
93 |
| -| [allow_experimental_codecs](/operations/settings/settings#allow_experimental_codecs) | `0` | |
94 |
| -| [throw_on_unsupported_query_inside_transaction](/operations/settings/settings#throw_on_unsupported_query_inside_transaction) | `1` | |
95 |
| -| [wait_changes_become_visible_after_commit_mode](/operations/settings/settings#wait_changes_become_visible_after_commit_mode) | `wait_unknown` | |
96 |
| -| [implicit_transaction](/operations/settings/settings#implicit_transaction) | `0` | |
97 |
| -| [grace_hash_join_initial_buckets](/operations/settings/settings#grace_hash_join_initial_buckets) | `1` | |
98 |
| -| [grace_hash_join_max_buckets](/operations/settings/settings#grace_hash_join_max_buckets) | `1024` | |
99 |
| -| [join_to_sort_minimum_perkey_rows](/operations/settings/settings#join_to_sort_minimum_perkey_rows) | `40` | |
100 |
| -| [join_to_sort_maximum_table_rows](/operations/settings/settings#join_to_sort_maximum_table_rows) | `10000` | |
101 |
| -| [allow_experimental_join_right_table_sorting](/operations/settings/settings#allow_experimental_join_right_table_sorting) | `0` | |
102 |
| -| [allow_statistics_optimize](/operations/settings/settings#allow_statistics_optimize) | `0` | |
103 |
| -| [allow_experimental_statistics](/operations/settings/settings#allow_experimental_statistics) | `0` | |
104 |
| -| [allow_experimental_inverted_index](/operations/settings/settings#allow_experimental_inverted_index) | `0` | |
105 |
| -| [allow_experimental_full_text_index](/operations/settings/settings#allow_experimental_full_text_index) | `0` | |
106 |
| -| [allow_experimental_lightweight_update](/operations/settings/settings#allow_experimental_lightweight_update) | `0` | |
107 |
| -| [allow_experimental_join_condition](/operations/settings/settings#allow_experimental_join_condition) | `0` | |
108 |
| -| [allow_experimental_live_view](/operations/settings/settings#allow_experimental_live_view) | `0` | |
109 |
| -| [live_view_heartbeat_interval](/operations/settings/settings#live_view_heartbeat_interval) | `15` | |
110 |
| -| [max_live_view_insert_blocks_before_refresh](/operations/settings/settings#max_live_view_insert_blocks_before_refresh) | `64` | |
111 |
| -| [allow_experimental_window_view](/operations/settings/settings#allow_experimental_window_view) | `0` | |
112 |
| -| [window_view_clean_interval](/operations/settings/settings#window_view_clean_interval) | `60` | |
113 |
| -| [window_view_heartbeat_interval](/operations/settings/settings#window_view_heartbeat_interval) | `15` | |
114 |
| -| [wait_for_window_view_fire_signal_timeout](/operations/settings/settings#wait_for_window_view_fire_signal_timeout) | `10` | |
115 |
| -| [stop_refreshable_materialized_views_on_startup](/operations/settings/settings#stop_refreshable_materialized_views_on_startup) | `0` | |
116 |
| -| [allow_experimental_database_materialized_postgresql](/operations/settings/settings#allow_experimental_database_materialized_postgresql) | `0` | |
117 |
| -| [allow_experimental_query_deduplication](/operations/settings/settings#allow_experimental_query_deduplication) | `0` | |
118 |
| -| [allow_experimental_database_iceberg](/operations/settings/settings#allow_experimental_database_iceberg) | `0` | |
119 |
| -| [allow_experimental_database_unity_catalog](/operations/settings/settings#allow_experimental_database_unity_catalog) | `0` | |
120 |
| -| [allow_experimental_database_glue_catalog](/operations/settings/settings#allow_experimental_database_glue_catalog) | `0` | |
121 |
| -| [allow_experimental_database_hms_catalog](/operations/settings/settings#allow_experimental_database_hms_catalog) | `0` | |
122 |
| -| [allow_experimental_kusto_dialect](/operations/settings/settings#allow_experimental_kusto_dialect) | `0` | |
123 |
| -| [allow_experimental_prql_dialect](/operations/settings/settings#allow_experimental_prql_dialect) | `0` | |
124 |
| -| [enable_adaptive_memory_spill_scheduler](/operations/settings/settings#enable_adaptive_memory_spill_scheduler) | `0` | |
125 |
| -| [make_distributed_plan](/operations/settings/settings#make_distributed_plan) | `0` | |
126 |
| -| [distributed_plan_execute_locally](/operations/settings/settings#distributed_plan_execute_locally) | `0` | |
127 |
| -| [distributed_plan_default_shuffle_join_bucket_count](/operations/settings/settings#distributed_plan_default_shuffle_join_bucket_count) | `8` | |
128 |
| -| [distributed_plan_default_reader_bucket_count](/operations/settings/settings#distributed_plan_default_reader_bucket_count) | `8` | |
129 |
| -| [distributed_plan_force_exchange_kind](/operations/settings/settings#distributed_plan_force_exchange_kind) | `` | |
130 |
| -| [allow_experimental_ts_to_grid_aggregate_function](/operations/settings/settings#allow_experimental_ts_to_grid_aggregate_function) | `0` | |
131 |
| -| [allow_experimental_replacing_merge_with_cleanup](/operations/settings/merge-tree-settings#allow_experimental_replacing_merge_with_cleanup) | `0` | |
132 |
| -| [allow_experimental_reverse_key](/operations/settings/merge-tree-settings#allow_experimental_reverse_key) | `0` | |
133 |
| -| [enable_replacing_merge_with_cleanup_for_min_age_to_force_merge](/operations/settings/merge-tree-settings#enable_replacing_merge_with_cleanup_for_min_age_to_force_merge) | `0` | |
134 |
| -| [force_read_through_cache_for_merges](/operations/settings/merge-tree-settings#force_read_through_cache_for_merges) | `0` | |
135 |
| -| [merge_selector_algorithm](/operations/settings/merge-tree-settings#merge_selector_algorithm) | `Simple` | |
136 |
| -| [notify_newest_block_number](/operations/settings/merge-tree-settings#notify_newest_block_number) | `0` | |
137 |
| -| [part_moves_between_shards_delay_seconds](/operations/settings/merge-tree-settings#part_moves_between_shards_delay_seconds) | `30` | |
138 |
| -| [part_moves_between_shards_enable](/operations/settings/merge-tree-settings#part_moves_between_shards_enable) | `0` | |
139 |
| -| [remote_fs_zero_copy_path_compatible_mode](/operations/settings/merge-tree-settings#remote_fs_zero_copy_path_compatible_mode) | `0` | |
140 |
| -| [remote_fs_zero_copy_zookeeper_path](/operations/settings/merge-tree-settings#remote_fs_zero_copy_zookeeper_path) | `/clickhouse/zero_copy` | |
141 |
| -| [remove_rolled_back_parts_immediately](/operations/settings/merge-tree-settings#remove_rolled_back_parts_immediately) | `1` | |
142 |
| -| [shared_merge_tree_enable_coordinated_merges](/operations/settings/merge-tree-settings#shared_merge_tree_enable_coordinated_merges) | `0` | |
143 |
| -| [shared_merge_tree_enable_keeper_parts_extra_data](/operations/settings/merge-tree-settings#shared_merge_tree_enable_keeper_parts_extra_data) | `0` | |
144 |
| -| [shared_merge_tree_merge_coordinator_election_check_period_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_election_check_period_ms) | `30000` | |
145 |
| -| [shared_merge_tree_merge_coordinator_factor](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_factor) | `2` | |
146 |
| -| [shared_merge_tree_merge_coordinator_fetch_fresh_metadata_period_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_fetch_fresh_metadata_period_ms) | `10000` | |
147 |
| -| [shared_merge_tree_merge_coordinator_max_merge_request_size](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_max_merge_request_size) | `20` | |
148 |
| -| [shared_merge_tree_merge_coordinator_max_period_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_max_period_ms) | `10000` | |
149 |
| -| [shared_merge_tree_merge_coordinator_merges_prepare_count](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_merges_prepare_count) | `100` | |
150 |
| -| [shared_merge_tree_merge_coordinator_min_period_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_coordinator_min_period_ms) | `1` | |
151 |
| -| [shared_merge_tree_merge_worker_fast_timeout_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_worker_fast_timeout_ms) | `100` | |
152 |
| -| [shared_merge_tree_merge_worker_regular_timeout_ms](/operations/settings/merge-tree-settings#shared_merge_tree_merge_worker_regular_timeout_ms) | `10000` | |
153 | 47 | <!--AUTOGENERATED_END-->
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