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Observability-Driven Development vs Test-Driven Development

DZone

One well-known example is PhonePe, which experienced a 2000% growth in its data infrastructure and a 65% reduction in data management costs with the implementation of a data observability solution. This approach provides a comprehensive system view, allowing for a thorough investigation and analysis.

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Matching Supply With Demand — Solutions, Part 3

SQL Performance

1 D 5.000000 2 D 3.000000 3 D 8.000000 5 D 2.000000 6 D 8.000000 7 D 4.000000 8 D 2.000000 1000 S 8.000000 2000 S 6.000000 3000 S 2.000000 4000 S 2.000000 5000 S 4.000000 6000 S 3.000000 7000 S 2.000000. The idea to use a full outer join based on a predicate that compares the demand and supply running totals is a stroke of genius!

C++ 138
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Fixing Misplaced Rows in a Partitioned Table

Percona

mysql> SELECT * FROM salaries where emp_no=10001 and from_date='1999-06-23'; + --+ --+ + + | emp_no | salary | from_date | to_date | + --+ --+ + + | 10001 | 84917 | 1999-06-23 | 2000-06-22 | + --+ --+ + + 1 row in set (0.00 sec) But once the data is misplaced, it does not return any rows.

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Update Percona Monitoring and Management Agent Settings for Already-Added Instances

Percona

Restart the PMM agent in the PMM server container: supervisorctl restart pmm-agent Conclusion So, we can see it is possible to fine-tune some hidden settings of Percona Monitoring and Management by getting into its internals, including editing some options after adding a remote MySQL instance without having to remove and re-add the instance.

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Save Money in AWS RDS: Don’t Trust the Defaults

Percona

The innodb_io_capacity_max parameter was set to 2000, so the hardware should be able to deliver that many IOPS without major issues. This is a pretty decent setup, and I don’t see many customers needing to write this many sustained IOPS.

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Matching Supply With Demand Challenge

SQL Performance

is matched for Demand 3 and Supply 2000, leaving 2.0 of Demand 3 and depleting supply 2000. A quantity of 3.0 is matched for Demand 2 and Supply 1000, depleting both Demand 2 and Supply 1000. A quantity of 6.0 A quantity of 2.0 is matched for Demand 3 and Supply 3000, depleting both Demand 3 and Supply 3000. A quantity of 2.0

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3 enterprise continuous testing challenges—and how to beat them

TechBeacon Testing

Organizations on the Forbes Global 2000 list are increasingly beset by nimble startups intent on disrupting their industry. Accelerating application delivery is a key part of maintaining a competitive advantage, but it's hard for enterprise organizations to keep pace.

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