Insight for DBAs

MyDumper 0.10.5 is Now Available

MyDumper 0.10.5 available

The new MyDumper 0.10.5 version, which includes many new features and bug fixes, is now available.  You can download the code from here.
For this release, we focused on fixing some old issues and testing old pull requests to get higher quality code. On releases 0.10.1, 0.10.3, and 0.10.5, we released the packages compiled against […]

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Webinar June 8: The Pros and Cons of AWS, Azure, and Google Cloud – Which Cloud Provider is Right for Your Business?

which cloud provider

Considering a move to the cloud, but unsure which provider is right for you?
According to the results of our 2020 Open Source Data Management Software Survey, AWS continues to dominate the public cloud provider market, with 50% of respondents using its cloud platform in 2020, with Microsoft Azure quickly gaining market share with 23% adoption […]

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Inconsistent Voting in Percona XtraDB Cluster

Cluster Error Voting

AKA Cluster Error Voting…
What is Cluster Error Voting (CEV)?
“Cluster Error Voting is a new feature implemented by Alexey Yurchenko, and it is a protocol for nodes to decide how the cluster will react to problems in replication. When one or several nodes have an issue applying an incoming transaction(s) (e.g., suspected inconsistency), this new […]

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InnoDB File Growth Weirdness

InnoDB File Growth Weirdness

There is a common pattern in life, you often discover or understand things by accident. Many scientific discoveries fit such a description. In our database world, I was looking to see how BLOB/TEXT columns are allocated using overlay pages and I stumbled upon something interesting and unexpected. Let me present to you my findings, […]

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Improving Percona Monitoring and Management EC2 Instance Resilience Using CloudWatch Alarm Actions

Percona Monitoring and Management EC2 Instance Resilience Using CloudWatch

Nothing lasts forever, including hardware running your EC2 instances. You will usually receive an advance warning on hardware degradation and subsequent instance retirement, but sometimes hardware fails unexpectedly. Percona Monitoring and Management (PMM) currently doesn’t have an HA setup, and such failures can leave wide gaps in monitoring if not resolved quickly.
In this post, […]

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