Tag - crash

How to Deal with XA Transactions Recovery

XA Transactions

For most people (including me until recently) database XA transactions are a fuzzy concept. In over eight years with Percona, I have never had to deal with XA transactions. Then a few weeks ago I got two customers having issues with XA transactions. That deserves a post.
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MongoDB 3.4: Facet Aggregation Features and SERVER-27395 Mongod Crash

Mongod Crash

This blog discusses MongoDB 3.4 GA facet aggregation features and the SERVER-27395 mongod crash bug.
As you may have heard, in late November MongoDB 3.4 GA was released. One feature that stuck out for me, a Lucene enthusiast, was the addition of powerful grouping and faceted search features in MongoDB 3.4.
Faceted Search
For those unfamiliar with […]

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How to create a rock-solid MySQL database backup & recovery strategy

Have you ever wondered what could happen if your MySQL database goes down?
Although it’s evident such a crash will cause downtime – and surely some business impact in terms of revenue – can you do something to reduce this impact?
The simple answer is “yes” by doing regular backups (of course) but are you 100% […]

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