Slides


MongoDB 4.0 Transactions Finally!

In MongoDB 4.0 the MongoDB community got its first chance to use transactions. Well, except for the short lived TokuMX clone. In this talk I will discuss the capabilities and limitations of the new feature including:
- Scope
- Capabilities
- Limits
- Potential impact on concurrency


Managing Data and Operation Distribution In MongoDB

In a sharded MongoDB cluster, scale and data distribution are defined by your shard keys. Even when choosing the correct shards key, ongoing maintenance and review can still be required to maintain optimal performance.


Squash That Old Bug

MySQL and MariaDB have a long list of old, potentially trivial bugs that are annoying if you hit them. No one's really bothered to fix them, so why not you? It doesn't take a large amount of C/C++ knowledge to pick out an old bug and build/test a MySQL/MariaDB patch to fix an old bug.


Percona Server for MySQL 8.0

We will discuss the state of Percona Server for MySQL 8.0, now GA, and current developments around it.


Using Ansible to Manage MySQL at DigitalOcean

In this session we'll discuss how we use Ansible to manage the internal MySQL services at DigitalOcean, where this has worked well for us, as well as some of the issues we've experienced along the way.


Are we there Yet? (The Long Journey From Oracle to Open Source Solution)

We in Percona are constantly looking at how we can help our customers to have the right solution at the right time. We are constantly looking to identify the right tool for the job.


Top 10 Mistakes When Migrating From Oracle to PostgreSQL

As more and more people are moving to PostgreSQL from Oracle, a pattern of mistakes is emerging. They can be caused by the tools being used or just by not understanding how PostgreSQL is different than Oracle.


MySQL and ZFS

MySQL, as a database, strives on a filesystem but not all filesystems are equal! On Linux, ZFS is gaining attention and there are good reasons for that, especially if you happen to also run MySQL.


Too Much Data?

Are you struggling with too much data? Are your MySQL databases able to ingest the influx of new data? Are you considering an alternate database but modifying your application would be challenging? Are you able to query efficiently your data once ingested?


In-depth Percona Server/MySQL Encryption

1) Keyrings
- General concepts
- what happens when keyring plugin is loaded
- where keys are stored
- troubleshooting
     keyring initialization failures
     taking care of core dumps
- keyring_vault

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