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Solr Sharding – Concepts & Methods
A few weeks ago, I published a series of blog on the Alfresco Clustering, including Solr Sharding. At that time, I planned to first explain what is really the Solr Sharding, what are the different...
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Kubernetes DNS resolution using CoreDNS (force update deployment)
After installing your Kubernetes cluster composed by masters and workers, a few configurations steps need to complete. In fact, the join command is not the last operation to perform, in order to have a...
View ArticleWhy you really should use peer authentication in PostgreSQL
It is always a bit of a surprise that many people do not know peer authentication in PostgreSQL. You might ask why that is important as initdb creates a default pg_hba.conf which does not allow any...
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Connecting to ODA derby database
ODA light (ODA X7-2S, X7-2M, X8-2S, X8-2M) come with an internal derby database to manage ODA metadata. From time to time, there is a need to check or update some information within it, as for example...
View ArticleHaving multiple standby databases and cascading with dbvisit
Dbvisit standy is a disaster recovery solution that you will be able to use with Oracle standard edition. I have been working on a customer project where I had to setup a system having one primary and...
View ArticleAdding a dbvisit standby database on the ODA in a non-OMF environment
I have recently been working on a customer project where I had been challenged adding a dbvisit standby database on an ODA X7-2M, named ODA03. The existing customer environment was composed of Oracle...
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AEM Forms – “2-way-SSL” Setup and Workbench configuration
In the past two years almost, I have been working with AEM (Adobe Experience Manager) Forms. The road taken by this project was full of problem because of security constraints that AEM has/had big...
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AEM Forms – No SSLMutualAuthProvider available
In the process of setting up the AEM Workbench to use 2-way-SSL, you will need at some point to use a Hybrid Domain and a specific Authentication Provider. Depending on the version of the AEM that you...
View ArticlePostgreSQL check_function_bodies, what is it good for?
One of the probably lesser known PostgreSQL parameters is check_function_bodies. If you know Oracle, then you for sure faced “invalid objects” a lot. In PostgreSQL, by default, there is nothing like an...
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Provisioning a AKS cluster and KubeInvaders with Terraform
Provisioning a K8s infrastructure may be performed in different ways. Terraform has a connector called the Kubernetes provider but it doesn’t allow building and deploying a Kubernetes cluster. The...
View ArticlePostgreSQL 13 will come with partitioning support for pgbench
A lot of people use pgbench to benchmark a PostgreSQL instance and pgbench is also heavily used by the PostgreSQL developers. While declarative partitioning was introduced in PostgreSQL 10 there was no...
View ArticlePatroni Operations – Changing Parameters
Sooner or later all of us have to change a parameter on the database. But how is this put into execution when using a Patroni cluster? Of course there are some specifics you have to consider. This post...
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MariaDB 10.3.1x + 10.4.x : mysqld_multi not working properly
A couple of days ago, we upgraded some MariaDB instances on a consolidated database server. However, after the software update we were not able to manage our instances anymore using mysqld_multi...
View ArticleSLES15 SP1 – New features
With SLES15 SUSE introduced the Multimodal OS and the unified installer. Means, you only get what you really need. Your OS is flexible and you can easily add features you need and remove them as well....
View ArticleAEM Forms – WebLogic Clustering synch issue for Workbench 2-way-SSL
In a previous blog, I described the process to setup the AEM Forms to allow the AEM Workbench to connect to AEM using “2-way-SSL”. This setup is normally independent of the Application Server that you...
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AEM Forms – Certify PDF end-up with NoSuchMethodError on bouncycastle
As part of an AEM project, we were working on setting up a few actions on PDF files. One of these actions was to Sign & Certify a PDF file. The basic Sign & Certify action provided by AEM is...
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pg_auto_failover: Setup and installation
When I attended PGIBZ 2019 earlier this year, I talked with Dimitri about pg_auto_failover and I promised to have a look at it. Well, almost half a year later and after we’ve met again at pgconf.eu it...
View ArticleHandling PostgreSQL installations from packages
In this blog I will show how to handle a PostgreSQL installation with a customized PGDATA using the packages provided by the PostgreSQL community. One issue with the packages is the hard coded PGDATA,...
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Create a Kubernetes cluster with Google Kubernetes Engine
Nowadays the market for cloud providers is very competitive. Large companies are fighting a very hard battle over the services they provide. Each offers a wide range of more or less identical products...
View ArticleGalera Cluster 4 with MariaDB 10.4.8
Last month, by a new customer I had to install the latest version of the MariaDB server: 10.4.8 to setup a Galera Cluster with 3 master nodes. The good news was that this version was shipped with the...
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