MongoDB Management Service:Backup Overview

Disasters do happen

Sometimes they are our fault

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• How much data can you afford to lose? (RPO)

• How long can you afford to be off-line? (RTO)

• Cost is impacted by these decisions.

Considerations

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• mongodump/mongorestore

• Storage-level options

• MongoDB Backup Service (new!)

Recovery Approaches for MongoDB

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• Can be run in live or offline mode

• Oplog-aware for point-in-time operations

• Filter can be applied in both directions

• mongodump docs

• mongorestore docs

• Considerations– Working set– Sharding

mongodump / mongorestore

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• Copy files in your data directory (e.g. /data/db)

• Filesystem or block storage snapshot

• Fastest way to backup/restore

• Considerations– Consistency– Backup granularity– Ops expertise

Storage-level Backups

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What is MongoDB Management Service (MMS)?

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MongoDB Management Service

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MMS Backup: Features

Available• Cloud-based service• Archived across DCs

Secure• Data is encrypted in-

transit• 2-factor auth for

restores

Managed• Developed and

monitored by MongoDB• Point-in-time backups

Overhead• Lightweight agent,

processes oplog

Restores• Free, unlimited• Seed new environments

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Unlimited restoresSeed dev, test, or new environments

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Recovery Approaches

Complexity

Scalability

mongodump

storage-level

mms backup

How It Works

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Overview

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• From the initial sync, we rebuild your data in our datacenters and take a snapshot

• We take snapshots every 6 hours

• Oplog is stored for 48 hours

Under the Hood

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• Balancer paused every 6 hours

• A no-op token is inserted across all shards, mongos’s and config servers

• Oplog applied to replica sets until point in which token was inserted

• Provides a consistent state of database across shards

Sharded Clusters

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• Point-in-time recovery

• Easy to restore

• Unlimited, free restores

• Fully managed

Key Benefits

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1. Create an account at mms.10gen.com

2. Install MMS Monitoring Agent on your deployment

3. Register at mms.10gen.com/backup

4. Install MMS Backup Agent on your deployment

5. Start initial sync

6. Rest easy!

Getting Started

Free Month – Register UsingCoupon Code

“MUG_Boston” (expires 10/31)

MongoDB Boston 10/25 – discount: mug25