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MongoDB's Touch Command

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MongoDB's Touch Command

· Database Zone ·
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Here's a quick tip from the official MongoDB blog.  In MongoDB 2.2, the 10gen team added a touch command that loads data from the data storage layer into memory. . .
The touch command will load a collection’s documents, indexes or both into memory. This can be ideal to preheat a newly started server, in order to avoid page faults and slow performance once the server is brought into production. You can also use this when adding a new secondary to an existing replica set to ensure speedy subsequent reads.

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MONGODB TIP: THE TOUCH COMMAND

New whitepaper: Database DevOps – 6 Tips for Achieving Continuous Delivery. Discover 6 tips for continuous delivery with Database DevOps in this new whitepaper from Redgate. In 9 pages, it covers version control for databases and configurations, branching and testing, automation, using NuGet packages, and advice for how to start a pioneering Database DevOps project. Also includes further research on the industry-wide state of Database DevOps, how application and database development compare, plus practical steps for bringing DevOps to your database. Read it now free.

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