Percona Live 2018 Featured Talk: Data Integrity at Scale with Alexis Guajardo

Alexis Google Percona Live 2018

Percona Live 2018 Featured TalkWelcome to another interview blog for the rapidly-approaching Percona Live 2018. Each post in this series highlights a Percona Live 2018 featured talk at the conference and gives a short preview of what attendees can expect to learn from the presenter.

This blog post highlights Alexis Guajardo, Senior Software Engineer at Google.com. His session talk is titled Data Integrity at Scale. Keeping data safe is the top responsibility of anyone running a database. In this session, he dives into Cloud SQL’s storage architecture to demonstrate how they check data down to the disk level:

Percona: Who are you, and how did you get into databases? What was your path to your current responsibilities?

Alexis: I am a Software Engineer on the Cloud SQL team with Google Cloud. I got into databases by using FileMaker. However, the world of database technology has changed many times over since then.

Percona: Your session is titled “Data Integrity at Scale”. Has the importance of data integrity increased over time? Why?

Alexis Google Percona Live 2018Alexis: Data integrity has always been vital to databases and data in general. The most common method is using checksum validation to ensure data integrity. The challenge that we faced at Cloud SQL on Google Cloud was how to do this for two very popular open source database solutions, and how to do it at scale. The store for MySQL was a bit more straightforward, because of innochecksum.  PostgreSQL required our team to create a utility, which is open sourced. The complicated aspect of data corruption is that sometimes it is dormant and discovered at a most inopportune time. What we have instituted are frequent checks for corruption of the entire data set, so if there is a software bug or other issue, we can mitigate it as soon as possible.

Percona: How does scaling affect the ability to maintain data integrity?

AlexisThere is a benefit to working on a team that provides a public cloud. Since Google Cloud is not bounded by most restrictions that an individual or company would be, we can allocate resources to do data integrity verifications without restriction. If I were to implement a similar system at a smaller company, most likely there would be cost and resource restrictions. However, data integrity is a feature that Google Cloud provides.

Percona: What are three things a DBA should know about ensuring data integrity?

Alexis: I think that the three things can be simplified down to three words: verify your backups.

Even if someone does not use Cloud SQL, it is vital to take backups, maintain them and verify them. Having terabytes of backups, but without verification, leaves open the possibility that a software bug or hardware issue somehow corrupted a backup.

Percona: Why should people attend your talk? What do you hope people will take away from it? 

Alexis: I would say the main reason to attend my talk is to discover more about Cloud SQL. As a DBA or developer, having a managed database as a service solution takes away a lot of the minutia. But there are still the tasks of improving queries and creating applications.  However, having reliable and verified backups is vital. With the addition of high availability and the ability to scale up easily, Cloud SQL’s managed database solution makes life much easier.

Percona: What are you looking forward to at Percona Live (besides your talk)?

Alexis: The many talks about Vitesse look very interesting. It is also an open source Google technology, and to see its adoption by many companies and how they have benefited from its use will be interesting.

Want to find out more about this Percona Live 2018 featured talk, and data integrity at scale? Register for Percona Live 2018, and see Alexis session talk Data Integrity at Scale. Register now to get the best price! Use the discount code SeeMeSpeakPL18 for 10% off.

Percona Live Open Source Database Conference 2018 is the premier open source event for the data performance ecosystem. It is the place to be for the open source community. Attendees include DBAs, sysadmins, developers, architects, CTOs, CEOs, and vendors from around the world.

The Percona Live Open Source Database Conference will be April 23-25, 2018 at the Hyatt Regency Santa Clara & The Santa Clara Convention Center.

The post Percona Live 2018 Featured Talk: Data Integrity at Scale with Alexis Guajardo appeared first on Percona Database Performance Blog.

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