Welcome!

Blog Feed Post

Dynatrace makes life easy for OpenStack admins (EAP starting)

We’re thrilled to announce the Early Access Program for Dynatrace OpenStack integration! This blog post is the first in a two-part series that explores how Dynatrace supports the monitoring of OpenStack environments.

OpenStack has become quite popular in recent years. Organizations are increasingly opting to build public and private OpenStack cloud environments for their employees and customers. One reason for the rapid adoption of OpenStack is its vibrant user community, which has fueled OpenStack’s growth and spirit of innovation. By joining the OpenStack community you can contribute your ideas related to requirements definition as well as development. This gives you the power to actively shape the features of the next OpenStack release.

OpenStack is indeed powerful, but it’s also complex. As an OpenStack admin, you know perfectly well that there’s no such thing as a flawless OpenStack cloud deployment. Even more challenging is maintaining smooth operation once your OpenStack cloud is used in a production environment.

Troubleshooting performance issues

Regardless if you’re working with a public or private cloud, as an OpenStack administrator, you need to be able to contend with a range of challenges. The components that are most likely to present you with challenges are:

  • OpenStack services
  • Supporting technologies like HAproxy, RabbitMQ, and MySQL
  • Network

OpenStack troubleshooting can be complex and time-consuming. This is due to the elusive nature of many OpenStack issues—problems with one OpenStack service can manifest themselves as performance issues within other services. For example, when a user reports an issue with launching a new VM or attaching a Cinder volume, your first thought might be to look into the log files of your Nova and Cinder services. After combing through hundreds of megabytes of log data, you might learn however that the root cause of the issue resides within a different OpenStack service or supporting technology (for example, HAproxy, Rabbit MQ, MySQL).

Dynatrace has good news for you OpenStack admins out there. With Dynatrace OpenStack monitoring, you no longer need to spend hours troubleshooting elusive issues within your OpenStack cloud!

Dynatrace provides complete OpenStack monitoring

In contrast to conventional monitoring tools, which typically cover only a single monitoring domain, Dynatrace provides a complete monitoring solution. Dynatrace monitoring covers:

  • OpenStack services
  • Supporting technologies
  • Compute nodes and VMs
  • Log analysis

For each of these components, Dynatrace provides automated root-cause analysis to help you identify the sources of problems and resolve issues in a timely manner.

Analyze OpenStack performance

OpenStack pages provide a holistic overview of your entire OpenStack account (see example images below).

(1) See if key components like compute and controller nodes are healthy.

(2) Gain insight into environment dynamics by tracking how the number of running virtual machines evolves over time. An increasing trend may indicate the need for capacity adjustments. Crucial details regarding the number of VMs that have been spawned and their average launch times is also included. If you notice launch times going up, you may want to investigate the reasons why.

(3) The Events section provides details such as on which compute node each VM is launched and stopped.

(4) The Compute section shows you how well your compute nodes are performing, which virtual machines are currently running on those nodes, and how the VMs contribute to overall resource usage.

You can slice and dice your OpenStack monitoring data with filters—compute nodes and virtual machines can be filtered based on RegionSecurity group nameCompute node name, Availability zone, and more. Such filtering is particularly useful for tracking down elusive performance issues within large environments.

Smartscape analysis (see below) shows you how your VMs interact with one another and gives you an understanding of the vertical dependencies between your application components—virtual machines, processes, and services.

Performance analysis of OpenStack services

Let’s explore Dynatrace’s automated problem detection and root-cause analysis capabilities with a Keystone use case. In the example below, the Keystone service began to respond slowly to TCP requests due to memory saturation on one of the controller nodes. Dynatrace has automatically identified the underlying root cause of this issue and the impact of the problem.

Let’s drill down into the Keystone metrics to better understand what’s going on here. Click the Keystone process tile to analyze this process within the context of the detected performance problem.

Here on the Keystone process page we see that the response time of the Keystone service has increased significantly, from 200 ms to 2 s.

By clicking the View all log entries button, you can explore all of the log data that’s been generated by this process.

The Log viewer has uncovered numerous warnings within the Keystone.log file indicating that the authentication process has been failing.

Now let’s take a look at the controller node that caused the issue. As you can see below, memory was indeed exhausted; it reached almost 100% saturation.

Note further down in the Processes section that all OpenStack services running on the controller are listed. Click any of these individual processes to analyze their connections and understand their relationship to other processes.

Dynatrace reports an outage event when Keystone becomes completely unavailable (see below). Outages are a major concern because they prevent users from performing any operations (each API request requires a Keystone token).

Out-of-the-box, Dynatrace automatically monitors your OpenStack environment for a wide range of potential log-based problem patterns. Dynatrace additionally detects when an OpenStack service can’t connect to a database or fails to authenticate.

Monitoring supporting technologies

Another potential problem area that OpenStack admins need to keep an eye on is the technologies that are frequently deployed alongside OpenStack. This includes load balancers (e.g., HAproxy), message brokers (e.g., RabbitMQ), and databases (e.g., MySQL).

To illustrate the challenges involved in monitoring the technologies that support OpenStack, here’s a problem we ran into within our own OpenStack environment. The RabbitMQ process (see below) was launched using the default file descriptor limit of 1024. When this limit was reached, RabbitMQ stopped accepting new connections. This issue resulted in a Connectivity problem (see below).

We wouldn’t have known about this problem if it weren’t for the RabbitMQ-specific counters that Dynatrace provides. All of this detail is included in the same view, so you don’t need to use multiple tools to get the full picture.

OpenStack dashboard tiles

Dynatrace provides two different OpenStack tiles that you can add to your home dashboard. The Regions tile displays relevant statistics related to the health of OpenStack services such as Keystone, Nova, compute nodes, virtual machines, and more. The Project tile provides insights into resource usage, taking assigned quotas into consideration. This information enables you to think proactively about resource usage issues related to critical projects, providing you with early warning of any resource capacity issues that may present themselves.

To add an OpenStack tile to your home dashboard

  1. Click the Home dashboard button in the upper-left corner.
  2. Click the Browse (…) button in the upper-right corner.
  3. Click Add tile.
  4. Select the Infrastructure filter in the left-hand navigation menu.
  5. Select the All regions tile or the Project tile.

Stay tuned for part two of this blog post series, to be published shortly. Part two will cover full-stack monitoring of applications that run in OpenStack clouds.

The post Dynatrace makes life easy for OpenStack admins (EAP starting) appeared first on Dynatrace blog – monitoring redefined.

Read the original blog entry...

More Stories By Dynatrace Blog

Building a revolutionary approach to software performance monitoring takes an extraordinary team. With decades of combined experience and an impressive history of disruptive innovation, that’s exactly what we ruxit has.

Get to know ruxit, and get to know the future of data analytics.

Latest Stories
This talk centers around how to automate best practices in a multi-/hybrid-cloud world based on our work with customers like GE, Discovery Communications and Fannie Mae. Today’s enterprises are reaping the benefits of cloud computing, but also discovering many risks and challenges. In the age of DevOps and the decentralization of IT, it’s easy to over-provision resources, forget that instances are running, or unintentionally expose vulnerabilities.
In order to meet the rapidly changing demands of today’s customers, companies are continually forced to redefine their business strategies in order to meet these needs, stay relevant and continue to see profitable growth. IoT deployment and development is integral in this transformation, and today businesses are increasingly seeing the value of investing their resources into IoT deployments. These technologies are able increase ROI through projects such as connecting supply chains or enabling sm...
Interested in leveling up on your Cloud Foundry skills? Join IBM for Cloud Foundry Days on June 7 at Cloud Expo New York at the Javits Center in New York City. Cloud Foundry Days is a free half day educational conference and networking event. Come find out why Cloud Foundry is the industry's fastest-growing and most adopted cloud application platform.
With major technology companies and startups seriously embracing Cloud strategies, now is the perfect time to attend @CloudExpo | @ThingsExpo, June 6-8, 2017, at the Javits Center in New York City, NY and October 31 - November 2, 2017, Santa Clara Convention Center, CA. Learn what is going on, contribute to the discussions, and ensure that your enterprise is on the right path to Digital Transformation.
Most DevOps journeys involve several phases of maturity. Research shows that the inflection point where organizations begin to see maximum value is when they implement tight integration deploying their code to their infrastructure. Success at this level is the last barrier to at-will deployment. Storage, for instance, is more capable than where we read and write data. In his session at @DevOpsSummit at 20th Cloud Expo, Josh Atwell, a Developer Advocate for NetApp, will discuss the role and value...
Multiple data types are pouring into IoT deployments. Data is coming in small packages as well as enormous files and data streams of many sizes. Widespread use of mobile devices adds to the total. In this power panel at @ThingsExpo, moderated by Conference Chair Roger Strukhoff, panelists will look at the tools and environments that are being put to use in IoT deployments, as well as the team skills a modern enterprise IT shop needs to keep things running, get a handle on all this data, and deli...
SYS-CON Events announced today that SoftLayer, an IBM Company, has been named “Gold Sponsor” of SYS-CON's 18th Cloud Expo, which will take place on June 7-9, 2016, at the Javits Center in New York, New York. SoftLayer, an IBM Company, provides cloud infrastructure as a service from a growing number of data centers and network points of presence around the world. SoftLayer’s customers range from Web startups to global enterprises.
In his opening keynote at 20th Cloud Expo, Michael Maximilien, Research Scientist, Architect, and Engineer at IBM, will motivate why realizing the full potential of the cloud and social data requires artificial intelligence. By mixing Cloud Foundry and the rich set of Watson services, IBM's Bluemix is the best cloud operating system for enterprises today, providing rapid development and deployment of applications that can take advantage of the rich catalog of Watson services to help drive insigh...
Cloud applications are seeing a deluge of requests to support the exploding advanced analytics market. “Open analytics” is the emerging strategy to deliver that data through an open data access layer, in the cloud, to be directly consumed by external analytics tools and popular programming languages. An increasing number of data engineers and data scientists use a variety of platforms and advanced analytics languages such as SAS, R, Python and Java, as well as frameworks such as Hadoop and Spark...
Cloud promises the agility required by today’s digital businesses. As organizations adopt cloud based infrastructures and services, their IT resources become increasingly dynamic and hybrid in nature. Managing these require modern IT operations and tools. In his session at 20th Cloud Expo, Raj Sundaram, Senior Principal Product Manager at CA Technologies, will discuss how to modernize your IT operations in order to proactively manage your hybrid cloud and IT environments. He will be sharing bes...
IBM helps FinTechs and financial services companies build and monetize cognitive-enabled financial services apps quickly and at scale. Hosted on IBM Bluemix, IBM’s platform builds in customer insights, regulatory compliance analytics and security to help reduce development time and testing. In his session at 20th Cloud Expo, Tom Eck, Industry Platforms CTO at IBM Cloud, will discuss how these tools simplify the time-consuming tasks of selection, mapping and data integration, allowing developers ...
Existing Big Data solutions are mainly focused on the discovery and analysis of data. The solutions are scalable and highly available but tedious when swapping in and swapping out occurs in disarray and thrashing takes place. The resolution for thrashing through machine learning algorithms and support nomenclature is through simple techniques. Organizations that have been collecting large customer data are increasingly seeing the need to use the data for swapping in and out and thrashing occurs ...
Regardless of what business you’re in, it’s increasingly a software-driven business. Consumers’ rising expectations for connected digital and physical experiences are driving what some are calling the "Customer Experience Challenge.” In his session at @DevOpsSummit at 20th Cloud Expo, Marco Morales, Director of Global Solutions at CollabNet, will discuss how organizations are increasingly adopting a discipline of Value Stream Mapping to ensure that the software they are producing is poised to o...
SYS-CON Events announced today that delaPlex will exhibit at SYS-CON's @CloudExpo, which will take place on June 6-8, 2017, at the Javits Center in New York City, NY. delaPlex pioneered Software Development as a Service (SDaaS), which provides scalable resources to build, test, and deploy software. It’s a fast and more reliable way to develop a new product or expand your in-house team.
For financial firms, the cloud is going to increasingly become a crucial part of dealing with customers over the next five years and beyond, particularly with the growing use and acceptance of virtual currencies. There are new data storage paradigms on the horizon that will deliver secure solutions for storing and moving sensitive financial data around the world without touching terrestrial networks. In his session at 20th Cloud Expo, Cliff Beek, President of Cloud Constellation Corporation, w...