温江做网站
新网创想网站建设，新征程启航
为企业提供网站建设、域名注册、服务器等服务
PXC集群参数之wsrep_on
修改wsrep_on参数值为off，drop表，打开另一个会话，发现表依旧存在。这个参数的主要作用是控制当前结点的写入是不是要复制到其他节点。与MySQL的sql_log_bin很相似。测试过程如下：
创新互联自2013年创立以来，是专业互联网技术服务公司，拥有项目成都网站建设、成都网站设计网站策划，项目实施与项目整合能力。我们以让每一个梦想脱颖而出为使命，1280元义县做网站,已为上家服务,为义县各地企业和个人服务,联系电话:18982081108
pxc01-->node1
mysql> show variables like 'wsrep_on';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| wsrep_on | ON |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show status like 'wsrep%';
+----------------------------------+-------------------------------------------------------+
| Variable_name | Value |
+----------------------------------+-------------------------------------------------------+
| wsrep_local_state_uuid | 23e153df-b664-11e9-89e3-ff2ae4f77a67 |
| wsrep_protocol_version | 9 |
| wsrep_last_applied | 16 |
| wsrep_last_committed | 16 |
| wsrep_replicated | 1 |
| wsrep_replicated_bytes | 296 |
| wsrep_repl_keys | 3 |
| wsrep_repl_keys_bytes | 48 |
| wsrep_repl_data_bytes | 178 |
| wsrep_repl_other_bytes | 0 |
| wsrep_received | 6 |
| wsrep_received_bytes | 1206 |
| wsrep_local_commits | 1 |
| wsrep_local_cert_failures | 0 |
| wsrep_local_replays | 0 |
| wsrep_local_send_queue | 0 |
| wsrep_local_send_queue_max | 1 |
| wsrep_local_send_queue_min | 0 |
| wsrep_local_send_queue_avg | 0.000000 |
| wsrep_local_recv_queue | 0 |
| wsrep_local_recv_queue_max | 1 |
| wsrep_local_recv_queue_min | 0 |
| wsrep_local_recv_queue_avg | 0.000000 |
| wsrep_local_cached_downto | 14 |
| wsrep_flow_control_paused_ns | 0 |
| wsrep_flow_control_paused | 0.000000 |
| wsrep_flow_control_sent | 0 |
| wsrep_flow_control_recv | 0 |
| wsrep_flow_control_interval | [ 173, 173 ] |
| wsrep_flow_control_interval_low | 173 |
| wsrep_flow_control_interval_high | 173 |
| wsrep_flow_control_status | OFF |
| wsrep_cert_deps_distance | 2.000000 |
| wsrep_apply_oooe | 0.000000 |
| wsrep_apply_oool | 0.000000 |
| wsrep_apply_window | 1.000000 |
| wsrep_commit_oooe | 0.000000 |
| wsrep_commit_oool | 0.000000 |
| wsrep_commit_window | 1.000000 |
| wsrep_local_state | 4 |
| wsrep_local_state_comment | Synced |
| wsrep_cert_index_size | 5 |
| wsrep_cert_bucket_count | 22 |
| wsrep_gcache_pool_size | 2328 |
| wsrep_causal_reads | 0 |
| wsrep_cert_interval | 0.000000 |
| wsrep_open_transactions | 0 |
| wsrep_open_connections | 0 |
| wsrep_ist_receive_status | |
| wsrep_ist_receive_seqno_start | 0 |
| wsrep_ist_receive_seqno_current | 0 |
| wsrep_ist_receive_seqno_end | 0 |
| wsrep_incoming_addresses | 196.55.3.102:3308,196.55.3.102:3307,196.55.3.102:3306 |
| wsrep_cluster_weight | 3 |
| wsrep_desync_count | 0 |
| wsrep_evs_delayed | |
| wsrep_evs_evict_list | |
| wsrep_evs_repl_latency | 0/0/0/0/0 |
| wsrep_evs_state | OPERATIONAL |
| wsrep_gcomm_uuid | e0b9cedd-b698-11e9-90d1-8fe12b369d0b |
| wsrep_cluster_conf_id | 3 |
| wsrep_cluster_size | 3 |
| wsrep_cluster_state_uuid | 23e153df-b664-11e9-89e3-ff2ae4f77a67 |
| wsrep_cluster_status | Primary |
| wsrep_connected | ON |
| wsrep_local_bf_aborts | 0 |
| wsrep_local_index | 2 |
| wsrep_provider_name | Galera |
| wsrep_provider_vendor | Codership Oy |
| wsrep_provider_version | 3.37(r) |
| wsrep_ready | ON |
+----------------------------------+-------------------------------------------------------+
71 rows in set (0.01 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| roidba |
| sys |
+--------------------+
5 rows in set (0.00 sec)
mysql> set wsrep_on=off;
Query OK, 0 rows affected (0.00 sec)
mysql> use roidba
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables;
+------------------+
| Tables_in_roidba |
+------------------+
| t |
| t1 |
+------------------+
2 rows in set (0.00 sec)
mysql> drop table t;
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> show tables;
+------------------+
| Tables_in_roidba |
+------------------+
| t1 |
+------------------+
1 row in set (0.00 sec)
pxc02-->node2
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| roidba |
| sys |
+--------------------+
5 rows in set (0.00 sec)
mysql> use roidba;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables;
+------------------+
| Tables_in_roidba |
+------------------+
| t |
| t1 |
+------------------+
2 rows in set (0.00 sec)本文标题：PXC集群参数之wsrep_on
URL标题：http://wjwzjz.com/article/jddgdh.html