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Tune Linux Kernel Parameters For PostgreSQL Optimization

Percona

In this post, we will discuss some important kernel parameters that can affect database server performance and how these should be tuned. You need to set a value of vm.dirty_background_bytes depending on your disk speed. Therefore, it is imperative that these parameters are configured according to the database server and its workload.

Tuning 54
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Data Redundancy With the PostgreSQL Citus Extension

Percona

Columnar storage of tables can compress data, speeding up scans and supporting fast projections, both on regular and distributed tables. Depending on the configuration, one can tune a hardware RAID for either performance or redundancy. Now let’s stretch our imagination and consider a second method of high availability, ala Citus.

C++ 78
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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

​​ However, the ​​ algorithm ​​ has been ​​ tuned ​​ and the resulting ​​ affect ​​ is ​​ minimal. ​​ For example, ​​ the I/O speed of a snapshot database could limit certain query scalabilities.

Servers 40