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HammerDB v4.3 New Features Pt1: Graphical Metrics for PostgreSQL

HammerDB

Introducing the PostgreSQL performance metrics viewer. HammerDB included a graphical performance metrics view for the Oracle database only. This enables the user to compare and contrast performance across different benchmark scenarios. usr/bin/install -c -m 644./pg_stat_statements--1.4.sql./pg_stat_statements--1.8--1.9.sql./pg_stat_statements--1.7--1.8.sql./pg_stat_statements--1.6--1.7.sql./pg_stat_statements--1.5--1.6.sql./pg_stat_statements--1.4--1.5.sql.

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Data Redundancy With the PostgreSQL Citus Extension

Percona

Reference tables can be replicated to all nodes for joins and foreign keys from distributed tables and for maximum read performance. Depending on the configuration, one can tune a hardware RAID for either performance or redundancy. The same can be said for Citus data sharding. citus_columnar | 11.1-1 1 citus | 11.1-1

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A thorough introduction to bpftrace

Brendan Gregg

bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. Linux already has many performance tools, but these are often counter-based and have limited visibility. hardware Hardware counter-based instrumentation. Attaching 2 probes. ^C bashreadline.bt

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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

Character POS ASCII Value Formula Value A 1 65 67 C 2 67 69 Checksum 136 Comparing ​​ the checksum values indicates ​​ that the values do not match and ​​ damage ​​ has occurred to the data.

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