Shulou(Shulou.com)06/01 Report--

Basic operation and maintenance capability of MongoDB

Serial number

Basic operation and maintenance capability

Detailed description

Understand the basic component architecture of MongoDB

(1) understand the three basic components of MongoDB: mongod, config server and mongos

one

Understand MongoDB replication set and shard cluster architecture, read-write separation, and understand distributed deployment architecture

(1) by understanding the cluster architecture of MongoDB replication set and shard, we can draw the topology diagram of this architecture independently.

(2) by understanding the separation of reading and writing, different reading and writing separation schemes can be provided to the project team (read first, read nearby).

(3) understand the MongoDB distributed deployment architecture and be able to give the optimal solution.

two

MongoDB installation and configuration, replication set and shard configuration

(1) master the method of manual-script installation of MongoDB

(2) master the construction of replication sets and fragments.

(3) understand the meaning of each configuration item in the conf file

three

In-depth understanding of the election principle of MongoDB

(1) mastering the election principle of MongoDB is the premise to ensure the good use of MongoDB!

4 、

Understand the various restrictions of MongoDB and avoid risks in advance

(1) understand some limitations of MongoDB, and identify and avoid them in advance, such as the 16m limit of a single document.

(2) understand the limitations and know what to do after they appear.

5 、

Understand the monitoring item indicators of MongoDB

(1) only by understanding the monitoring indicators of MongoDB, can we have a clear plan and be able to deal with alarms.

6 、

Understand the backup method of MongoDB and master the backup scheme currently used in production environment

(1) understand the various backup methods of MongoDB

(2) master the backup scheme used in the production environment

7 、

Export and Import methods of MongoDB

(1) master the methods of exporting and importing MongoDB (mongodump/mongorestore/mongoexport/mongoimport)

8 、

MongoDB View active session & kill session

(1) master the method of viewing MongoDB session and understand the meaning of each field in currentOP

(2) master kill session

9 、

MongoDB execution Plan View and Index creation

(1) master the view of MongoDB implementation plan, and be able to evaluate the quality of implementation plan

(2) master the method of creating MongoDB index, and give the optimal scheme.

10 、

MongoDB replication delay problem and oplog principle

(1) understand the principle of MongoDB master-slave replication, and deeply understand the working principle of oplog.

(2) master the processing method of MongoDB master-slave replication delay and the adjustment of oplog size.

11 、

Slow performance of MongoDB

(1) master MongoDB performance issues, including memory usage, CPU usage, IO, and use mongotop.

12 、

MongoDB slow Log View & Analysis

(1) master the method of opening slow log by MongoDB

(2) master the method of analyzing slow logs by MongoDB.

13 、

Advanced solution: understand MongoDB storage engine, MongoDB slicing rules

(1) comparing and learning MongoDB storage engines: wiretiger, rocketdb, MMAPv1

(2) MongoDB slicing rules and original, and can give reasonable slicing suggestions from the business.

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