在成功安装GBase 8a MPP Cluster 后,在各个节点机器上的
$GCLUSTER_BASE/config 目录下,gbase_8a_gcluster.cnf 文件是GBase 8a MPP
Cluster 的默认参数文件。
在GBase 8a MPP Cluster 的各个Coordinator 节点下的gbase_8a_gcluster.cnf 参数文
件中,共有下面的参数。
表6- 3Gcluster 参数汇总
编号
参数名称
说明
GBase 8a MPP Cluster 产品手册
6 附录
文档版本953(2022-04-10)
南大通用数据技术股份有限公司
1547
编号
参数名称
说明
1
gcluster_count_optimize
2
gcluster_crossjoin_use_hash_distribution
3
gcluster_ddl_parallel_execute
4
gcluster_log_level
5
gcluster_empty_result_set_optimize
6
gcluster_ha_event_monitor
7
gcluster_ha_node_left_event_delay
8
gcluster_hash_redistribute_groupby_optimize
9
gcluster_hash_redistribute_join_optimize
10
gcluster_insertselect_use_values_optimize
11
gcluster_lock_level
12
gcluster_max_thread_in_pool
13
gcluster_query_retry
14
gcluster_serial_exec_query
15
gcluster_single_hash_node_optimize
16
gcluster_special_correlated_optimize
17
gcluster_starschema_join_estimate_optimize
18
gcluster_starschema_optimize
19
gcluster_union_optimize
20
gcluster_use_new_decimal
21
gcluster_hash_redist_threshold_row
22
gcluster_loader_max_data_processors
23
gcluster_rebalancing_update_status_on_drop_table
24
gcluster_async_connect_timeout
25
gcluster_rebalancing_parallel_degree
26
gcluster_parallel_distribution_number
27
gcluster_enable_serial_load
28
gcluster_loader_min_chunk_size
29
gcluster_extend_ident
30
gcluster_kafka_brokers
31
gcluster_assign_kafka_topic_period
32
gcluster_kafka_max_message_size
33
gcluster_kafka_batch_commit_dml_count
34
gcluster_kafka_local_queue_size
35
gcluster_kafka_consume_batch
36
gcluster_kafka_primarykey_can_be_null
37
_t_gcluster_kafka_null_transform
38
gcluster_random_insert
39
gcluster_kafka_ignore_if_table_not_exist
40
gcluster_connect_net_read_timeout
GBase 8a MPP Cluster 产品手册
6 附录
文档版本953(2022-04-10)
南大通用数据技术股份有限公司
1548
编号
参数名称
说明
41
gcluster_connect_net_write_timeout
42
gcluster_support_binary
43
gcluster_kafka_delete_execute_directly
44
gcluster_rebalancing_concurrent_count
45
gcluster_rebalancing_random_table_quick_mode
46
gcluster_rebalancing_step
47
gcluster_node_exec_retry_times
48
gcluster_sql_exec_retry_times
49
gcluster_create_mirror_mode
50
_gcluster_support_outfile_with_table_head_case_sensitive
51
_t_gcluster_dml_drs_enable
Readonly 参数
52
_t_gcluster_user_defined_join_hint
53
_t_gcluster_union_redist_optimize
54
_t_gcluster_union_redist_distinct
55
gcluster_segment_id_replace
56
_t_gcluster_support_cte
57
gcluster_shrink_to_rebalance
58
gcluster_rebalancing_ignore_mirror