Blog Entries

12. 12. 2022 Mattia Codato NetEye, Unified Monitoring

ClickHouse – High Availability Cluster

As you have surely read from the release notes of NetEye 4.27, we have integrated ClickHouse to be able to use the historical flows and alerts feature of ntopng. What is ClickHouse? Directly from the official website: ClickHouse is a column-oriented database management system (DBMS) for online analytical processing of queries (OLAP). ClickHouse’s performance exceeds…

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14. 09. 2012 Thomas Forrer Service Management

New OTRS add-ons: drop down from DB and text area from DB

In OTRS it is not possible to retrieve data from external DB, for this reason I have recently developed two new add-ons able to query directly on a database at runtime to fill in “possible values”. These add-ons are two new instances of dynamic fields in OTRS 3.1.x: a drop down from DB and a…

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