Exporting custom metrics to influxdb

In the TICK stack (Telegraf, InfluxDB, Chronograf, Kapacitor) from InfluxData, ...

Cleaning up PID files when Oracle GRID/RAC upgrades and patches fail

Introduction:

Unfortunately is it not all that unusual for a patch or upgrade to Oracle Grid or RAC to ...

CPU utilization is not a useful metric

Once upon a time CPU utilization was quite a useful metric. Following are the output of several tools that provide CPU ...

How to display database statistics for all objects used in a SQL statement

When my current task is to optimize a particular SQL statement, I find it quite useful if I can determine if the ...

Log rotation for Oracle database

Most of you may already know how to configure the log rotation for your database alert log or the listener log etc,. As ...

How Linux Hugepages work to improve Oracle performance

This post is not intended to be an in-depth discussion of how Linux Hugepages work, but rather just a cursory ...

Backup and data streaming with xbstream, tar, socat, and netcat

Comparing Xtrabackup Streaming Methods: XBSTREAM vs. TAR

On April 4th 2012

Database migration using Apache NiFi

Introduction

A look at current "Infrastructure as Code" Trends

Unless you have been hiding under a rock, you have probably heard the term ...

How to immediately kill ALL processes for a Unix user

Context

On occasion I have found it necessary to immediately kill all processes for a particular user on a ...