query

Listing and querying Oracle Enterprise Manager metric extensions

I recently wanted to work on Metric Extensions automation, and realized the task was a bit more complicated than I thought. My original idea was to look into the emcli verb list, but I was unlucky. In fact, emcli(…)

M-Files BD – Queries: objectType, class, filters, date tokens

In the previous posts of this series, I covered the anatomy of a dashboard definition and the seven widget types (KPI & gauge, line & area,(…)

Using Oracle API for MongoDB on OCI

If you’ve ever had to deal with MongoDB after years (or even decades) of working with SQL, you’ve probably realized that querying JSON documents can sometimes be painful, to say the least. In response to this, Oracle (and(…)

Documentum – xPlore Dsearch not starting with a stuck rebuild

I recently faced another interesting issue (c.f. this one) with Documentum xPlore where the Dsearch would refuse to start because of a stuck online rebuild. It happened on a Kubernetes environment using custom images we(…)

Documentum – xPlore CPS temporary folder not being cleaned properly

At a customer using Documentum inside Kubernetes, unusually frequent restarts of xPlore containers were noted a couple weeks after the introduction of CPS Only pods on the different Production environments. The customer had a very simple Standalone xPlore setup,(…)

Grail and Dynatrace Query Language

In my last dynatrace blog, I presented how to go from logs to dashboard. This could look like a complex process for such a simple task. Moreover, this does not work on historical data as(…)

RDBMS (vs. NoSQL) scales the algorithm before the hardware

By Franck Pachot . In The myth of NoSQL (vs. RDBMS) “joins dont scale” I explained that joins actually scale very well with an O(logN) on the input tables size, thanks to B*Tree index access,(…)