MongoDB Days Silicon Valley: Jumpstart: Ops/Admin 101
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Presented by Achille Brighton, Principal Consulting Engineer, MongoDB Experience level: Introductory New to MongoDB? We'll provide an overview of installation, high availability through replication, scale out through sharding, and options for monitoring and backup. No prior knowledge of MongoDB is assumed. This session will jumpstart your knowledge of MongoDB operations, providing you with context for the rest of the day's content.
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MongoDB Days Silicon Valley: Jumpstart: Ops/Admin 101
- 1. Ops Jumpstart: Admin 101 Achille Brighton
- 2. 2 0 – 100 in 45 mins 1) What is MongoDB? 2) What's so special about administering it?
- 5. 5 { "name" : "James Bond", "age" : 42, "address" : [ { "city" : "London", "country": "UK" }, { "city" : "Nassau/Bahamas", "country" : "US" } ] } Storing Documents: JSON
- 6. 6 db.persons.find ({ "name" : "James Bond" }) db.persons.find ({ "age" : { "$gt" : 40 } }) db.persons.update ({ "name" : "James Bond" }, { "$inc" : "age" }) Expressive Query Language
- 9. 9 Sharding & Replication ROUTER mongos DRIVER APPLICATION C C C P S S P S S P S S P S S
- 10. 10 MongoDB in a Nutshell • A document store: more complex data than relational • Query language is just about as expressive as SQL • Much greater focus on scalability – replication (high availability) – sharding (volume and throughput)
- 11. What's so special about administering it?
- 12. 12 DBA Tasks for MongoDB • There are no schemas • Indexes are more important than in relational DBs • Responsibility for security • Likely dealing with a lot of servers – monitoring – backup – deployment
- 13. 13
- 14. 14 MongoDB Cloud Manager • Comprehensive, web-based management solution – modules for monitoring, backup, automation • Cloud Manager – we run it for you – enhances interaction with MongoDB tech support • OpsManager (on prem) – you run it yourself – all under your control, nothing leaves your network
- 15. 15 Monitoring
- 16. 16 Backup • Registers itself as a hidden replica, works cluster-wide • Snapshot every six hours, plus oplog, thus point-in-time restore • Requires 3-4x original storage for typical retention policy • Can do 100s of GB/day over the net • On-prem version available for enterprise customers
- 17. 17 Automation • Deploy, configure and control MongoDB on your own hardware • Create complex configurations with dozens, hundreds of servers in seconds • Orchestrate complex tasks such as version upgrades, change of storage engine • Each server runs an autonomous automation agent
- 18. 18 Summary • Paradigm shift in databases is happening • MongoDB is extremely attractive to modern application development: complex data structures, huge volume • For DBAs, some things are different, some things stay the same: no schemas, but many servers • Know as much as you can!
Editor's Notes
- Looking forward to say hello
- The idea is to go 0 to 100 in 45 min
- Exciting DB Engines, popularity league If we extrapolate the growth, we hope we’ll reach Eclipse in 2019 Sentiment in market. This reflects sentiment in the market NoSQL diff is bigg
- Json consists of key value paiers. Data types Address is an array Age is a number Closer to app Dynamic Schema, not a problem
- Find subset You can find a document based ono subset You can do very complicated things. The advantage it does not look like SQL, but it can do almost as much.
- Let’s look at ways you can strucutre the data All the operations go to the primaries, we have three databases. Either scale horizontally or vertically Designed for scale Horizontally Election built right from the start
- Analogy so let’s say that each one of the nodes has only so much capacity, You can get more capacity. What about reliability. We have customers with thousands of shard. And you can’t lose any, otherwise you lose data. Didn't invent.
- You can’t lose shards You don’t have Licensing cost is way lower 15 servers
- It’s a single unix process You’re responsible for security.
- Flight traffic. Flights over europe Rolls royce HQ in london gets a live feed from every engine. If there’s an issue: ping the pilot to look outside and see