It’s been a very quiet week in RDO blogs. If you’re writing about RDO, or about OpenStack on CentOS, Fedora or RHEL, and you’re not on my list, please let me know! Scaling NFV to 213 Million Packets per Second with Red Hat Enterprise Linux, OpenStack, and DPDK by Andrew Theurer There is a lot of talk about NFV and… Read more →
The Ceilometer project is in charge of collecting various measurements from the whole OpenStack infrastructure, including the bare metal and virtual level. For instance, we can see the number of virtual machines running or the number of storage volumes. One of the Ceilometer components is the central agent. Basically it polls the other resources in order to get some measurements…. Read more →
Here’s what RDO enthusiasts have been writing about over the past week. If you’re writing about RDO, or about OpenStack on CentOS, Fedora or RHEL, and you’re not on my list, please let me know! Flavio Percoco, PTL of the Zaqar project by Rich Bowen Zaqar (formerly called Marconi) is the messaging service in OpenStack. I recently had an opportunity… Read more →
This is the second in what I hope is a long-running series of interviews with the various OpenStack PTLs (Project Technical Leads), in an effort to better understand what the various projects do, what’s new in the Kilo release, and what we can expect in Liberty, and beyond. If the audio player below doesn’t work for you, you can listen… Read more →
We know that all software components and services generate log files. These log files are vital in troubleshooting and debugging problems. If the log files are not managed properly then it can be extremely difficult to get a good look into them. Although system administrators cannot control the generation of logs, they can achieve some level of log management by… Read more →
This article goes through Linux namespaces and cgroups usage to sandbox and isolate processes. For more detailed explanations on these Linux features, see the following articles: namespace, cgroups and resources management Command lines should work on any modern Linux system, and you should try them out while reading to better understand the sandbox process. Most actions require admin privileges and… Read more →
Zaqar (formerly called Marconi) is the messaging service in OpenStack. I recently had an opportunity to interview Flavio Percoco, who is the PTL (Project Technical Lead) of that project, about what’s new in Kilo, and what’s coming in Liberty. If the audio player below doesn’t work for you, the recording is HERE, and the transcript follows below. R: This is… Read more →
Here’s what RDO enthusiasts have been writing about over the past week. If you’re writing about RDO, or about OpenStack on CentOS, Fedora or RHEL, and you’re not on my list, please let me know! Ceilometer, Gnocchi & Aodh: Liberty progress by Julien Danjou It’s been a while since I talked about Ceilometer and its companions, so I thought I’d… Read more →
It’s been a while since I talked about Ceilometer and its companions, so I thought I’d go ahead and write a bit about what’s going on this side of OpenStack. I’m not going to cover new features and fancy stuff today, but rather a shallow overview of the new project processes we initiated. Ceilometer growing Ceilometer has grown a lot… Read more →
A distributed system is a set of resources which cooperate together by sending messages in order to achieve a common goal. Leslie Lamport, a famous computer scientist defines it as: “A distributed system is one in which the failure of a computer you didn’t even know existed can render your own computer unusable.” This sentence summarizes very well the issues… Read more →
Here’s what RDO enthusiasts have been writing about over the past week. If you’re writing about RDO, or about OpenStack on CentOS, Fedora or RHEL, and you’re not on my list, please let me know! A Cinder Road to Active/Active HA, by Gorka Eguileor We all want to see OpenStack’s Block Storage Service operating in High Availability with Active/Active node… Read more →