Detailed introduction to node configuration

This article mainly introduces the relevant information of Mysql 5.7 slave node configuration multi-threaded master-slave replication. The introduction in the article is very detailed and has certain reference value for everyone. Friends who need it can take a look below. Preface Mysql's use of multi-threading for replication has been supported since Mysql 5.6, but there are flaws in version 5.6. Although multi-threading is supported, each database can only have one thread. That is to say, if we have only one database, master-slave replication There is only one thread working at all times. It is equivalent to the previous single thread. Starting from Mysql 5.7, parallel master-slave replication under the same database is supported. However, by default, it is still a single database and a single thread. If you need to use multiple threads, you need to configure it on the slave node. Mysql 5.7 adds a type of master-slave replication, there are two types, as follows: DATABASE database-based parallel replication, each database corresponds to a replication thread LOGICAL_CLOCK group submission-based parallel replication, the same database can have multiple Thread the following steps to configure on the slave node. View the current configuration before starting the configuration,

1. Detailed introduction to the method of configuring multi-threaded master-slave replication on the Mysql5.7 slave node

Introduction: This article mainly introduces the relevant information of Mysql 5.7 slave node configuration multi-threaded master-slave replication. The introduction in the article is very detailed and has certain significance for everyone. For reference value, friends in need can take a look below.

2. .Net configuration file - unified node configuration management

Introduction: For custom nodes in .Net, if you want to process them separately, you need to add a specified class to this node. If we define many custom nodes in an application, , and if you do this, there will be many more processing classes. In order to avoid too many classes, we designate a custom node as the entry point for all custom nodes, and then only write one processing class as the entry point. Read other nodes. For example, the configuration file only defines one entry node:                   20

3. MySQL Cluster script to verify whether the memory in the management node configuration exceeds the standard

Introduction: Verify the shell script of the management node config.ini parameter configuration to see if the memory exceeds the standard. The above data node id needs to be attached when running, and the cluster must be in working status

4. Solution to the problem of DP 6.1 version on Linux Client

Introduction: DP 6.1 version cannot be saved on Linux Client because the backup node configuration cannot be saved. The problem of restoring node error can be solved by using the following method, which is to Cell Manage

5. A problem encountered when configuring Exdatacell node

Introduction: Problem description: [celladmin@vrh4 ~]$ cellcli CellCLI: Release 11.2.3.2.0

6. hadoop2 stand-alone build

Introduction: Hadoop2.2.0 environment configuration instructions (multi-node configuration is at the end) 1. Turn off the firewall #chkconfigiptablesoff 2. Check the status #chkconfig –list|grepiptables All off 3. Copy the hadoop-2.2.0.tar.gz file to the /usr/local directory 4. Unzip #tar –zxvfhadoop-2.2.0.tar.gz 5. Rename #mv Ha

7. mongoDB single db convert to replicaSet

Introduction: mongoDB single db convert to replicaSet The following takes 2.0.2 as an example: 1. Modify the master node configuration #Other configurations remain unchanged# Add configuration, for example, noauth = true oplogSize = 31280 journal = true journalCommitInterval = 40 2. Restart mongodb mongo 127.0.0.1:4321/admin db.shutdownServe

##8 . MySQL Cluster management node configuration file-data node 4G memory_MySQL

Introduction: MySQL Cluster management node configuration file - data node 4G memory

9. MySQL Cluster online management node configuration file - data node 32G memory_ MySQL

Introduction: MySQL Cluster online management node configuration file-data node 32G memory

10. MySQL Cluster Online management node configuration file - data node 96G memory_MySQL

Introduction: MySQL Cluster online management node configuration file - data node 96G memory

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