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Keep your data sorted with AI
As mentioned in my previous posts about Enterprise Content Management (like this one). A key point to have your Content efficiently stored is the use of Metadata. It helps to sort and retrieve easily...
View ArticleLogical Offline Migration to ExaCC with Oracle Zero Downtime Migration (ZDM)
A while ago I had been testing and blogging about ZDM, see my previous articles. And I finally had the chance to implement it at one of our customer to migrate on-premises database to Exadata Cloud...
View ArticlePostgreSQL 17: transaction_timeout
PostgreSQL already comes with various time out parameters when it comes to sessions and statements. There is idle_in_transaction_session_timeout, idle_session_timeout, and there is statement_timeout....
View ArticlePhysical Online Migration to ExaCC with Oracle Zero Downtime Migration (ZDM)
A while ago I had been testing and blogging about ZDM, see my previous articles. And I finally had the chance to implement it at one of our customer to migrate on-premises database to Exadata Cloud...
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Kubernetes Networking by Using Cilium – Intermediate Level – Traditional...
Welcome back in this blog post series about Kubernetes Networking by using Cilium. In the previous post about network interfaces, we’ve looked at how we can identify all the interfaces that will be...
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SQL Server: Manage large data ranges using partitioning
Introduction: When it comes to moving ranges of data with many rows across different tables in SQL-Server, the partitioning functionality of SQL-Server can provide a good solution for manageability...
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Monitor Kubernetes with Zabbix
Zabbix might not be the first monitoring tool that comes in mind when you want to monitor a Kubernetes cluster (Did you say Prometheus? ). Nevertheless, as an open-source project, Zabbix have...
View ArticleGetting started with Greenplum – 1 – Installation
Because PostgreSQL is fully open source there are many forks of it. One of them is called Greenplum which describes itself as “an advanced, fully featured, open source data warehouse, based on...
View ArticleGetting started with Greenplum – 2 – Initializing and bringing up the cluster
In the last post we’ve configured the operating system for Greenplum and completed the installation. In this post we’ll create the so called “Data Storage Areas” (which is just a mount point or...
View ArticleMigration from Non-CDB to Multitenant : Wallet Key Needed
I have been recently able to make several migration tests from On-Premises to Exadata, and during some of my tests I faced a PDB_PLUG_IN_VIOLATIONS with cause been “Wallet Key Needed” when converting...
View ArticleMigration from Non-CDB to Multitenant : CDB is using local undo, but no undo...
During a past migration test from on-premises to ExaCC, I faced a pdb violation, stating, CDB is using local undo, but no undo tablespace found in the PDB, after having run noncdb_to_pdb.sql script....
View ArticleGetting started with Greenplum – 3 – Behind the scenes
If you followed part 1 and part 2 of this little blog series you now have a running Greenplum system. There is one coordinator host and there are two segment hosts. In this post we’ll look at what...
View ArticleGetting started with Greenplum – 4 – Backup & Restore – databases
This is the fourth part of the Greenplum blog series, the previous ones are here: Getting started with Greenplum – 1 – Installation, Getting started with Greenplum – 2 – Initializing and bringing up...
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Kured: No more patching anxiety for Kubernetes clusters
Before jumping into the topic of this blog, let’s define the context. To keep your Linux system up-to-date, you traditionally have your unattended-upgrades package on your Ubuntu servers installed,...
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Kubernetes Networking by Using Cilium – Advanced Level – eBPF Routing
We have come a long way regarding networking in Kubernetes using Cilium. From a high level picture in this post, we moved to discovering the Kubernetes networking interfaces in this post and dived...
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Trigger a Red Hat Ansible Automation Platform job/workflow from GitLab CI/CD...
Are you utilizing Red Hat Ansible Automation Platform or its open-source version, AWX, to streamline your Ansible playbooks? If so, and you want to trigger a job template or a workflow template from a...
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Rancher RKE2: Introduction on RKE2 cluster template for AWS EC2
In Rancher, you can preconfigure your clusters and node configuration. Then your team can start provisioning clusters, with consistency and no misconfiguration. For RKE, templates are easily...
View ArticleGetting started with Greenplum – 5 – Recovering from failed segment nodes
This is the next post in this little Greenplum series. This time we’ll look at how we can recover from a failed segment. If you are looking for the previous post, they are here: Getting started with...
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DevOps Demystified for Non-techies
I’ve recently written 2 blog posts (part-1 and part-2) about DevOps without using its name because it still scares some people. However these posts were meant mainly for a technical audience working...
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Rancher RKE2 templates – Assign members to clusters
When testing RKE2 templates, I faced an issue with member assignments. When creating the cluster, a management cluster name is generated with the format c-m-xxxxxxxx, but the...
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