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Setting Up and Deploying PostgreSQL for High Availability

Percona

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. Despite all its upside, PostgreSQL software presents such challenges. PostgreSQL software supports synchronous streaming replication, asynchronous streaming replication, and logical replication.

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Is It a Read Intensive or a Write Intensive Workload?

Percona

This is helpful, for example, if you are considering to move some of the tables to a different server and want to clearly understand how your workload will be impacted. You can see in this case it happens to match the IO activity graph, with storage taking more time to serve write requests versus read requests.

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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

This White Paper is for informational purposes only. Copyright The information ​​ that is contained ​​ in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication.

Servers 40
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SQL Server I/O Basics Chapter #1

SQL Server According to Bob

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This White Paper is for informational purposes only.

Servers 40
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Total Cost of Ownership and the Return on Agility - All Things.

All Things Distributed

An apples to apples comparison of the costs associated with running various usage patterns on-premises and with AWS requires more than a simple comparison of hardware expense versus always-on utility pricing for compute and storage. This option offers 68% savings over the on-premises option.

AWS 118
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MongoDB Best Practices: Security, Data Modeling, & Schema Design

Percona

It is common to see a value of “ 0″ ( or sometimes “10” ) on database servers, telling the kernel to prefer to swap to memory for better response times. 20-30% is a good general default for “dirty_ratio,” but on large-memory database servers, this can be a lot of memory.

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C++ safety, in context

Sutter's Mill

To talk about C++’s current safety problems and solutions well, I need to include the context of the broad landscape of security and safety threats facing all software. Software security ” (or “cybersecurity” or similar) means making software able to protect its assets from a malicious attacker.

C++ 139