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Dynatrace: Become a Jedi Master: updated
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An a retail stores have a lot of technologies monitored by Dynatrace. One of these legacy technologies are developed in .NET exe applications by others vendors. When make drill down in the transactions & services dashboard in dynatrace there are no requests incoming and outcoming for these .NET services. What do you do? ✔✔Create a custom service detection for .NET services. The Governance boss requested informations about top services by load and infrastructure problems, by hosts with hours consolidated in the last week, what session you can acess to obtain this informations? ✔✔Reports One host of a reputed bank are affected performance after automatic Dynatrace oneagent update in old legacy systems server. What best praticle to fast resolve this issue? ✔✔ 1 - Select especific host in dynatrace hosts menu, "...", select turn off monitoring, stop oneagent service, uninstall oneagent and restart services. 2 - Download previous oneagent version (except more recent updated), go to Settings > Monitoring > Monitoring overview > Download Dynatrace Oneagent or ActiveGate installer and reinstall (select version from the list).
3 - Disable automatic update in this host and review the technologies and versions supported by Dynatrace before update new oneagent version. You created a POC in new customer and you need monitoring errors in agentless Real User Monitoring Web Application with Dynatrace, but customer don't see any related incidents about web applications in problems. What is the best practice to raise alerts in problems in this case? ✔✔Settings > Anomaly detection > Custom events for alerting > Create custom event for alerting > Category > Applications You need to create a dashboard with the total DEMS consumed, what do you do? ✔✔ To capture information from user sessions, what options are supported? ✔✔Meta tags, cookies, JavaScript variables, CSS selector & Server side request attribute In large environments, why is it important to correctly group, organize and configure the technologies detected by the process group on your hosts? ✔✔For more accurate monitoring results calculated by artificial intelligence eliminating false positives and noise. A car dealership have a lot of apps in AWS cloud and use Dynatrace Managed to performance monitor. In the next month they are thinking migrate physical Dynatrace Managed to cloud to reduce local infrastructure server costs. In this change they have questions about security,
Default APDEX calculation ✔✔ 3 What technique can be used to perform tagging? ✔✔Manual and Automated Host definition ✔✔A physical or virtualized operating system Host availability - Offline - Possible causes ✔✔- Crashed.
- There are issues with communication.
- Became so unstable that monitoring is unavailable.
- A virtual machine was terminated without proper system shutdown Process ✔✔A currently executing computer program Application ✔✔- Consists of web pages that are served by web servers and web containers, for example Tomcat.
- A web or mobile is built upon services that process requests like web requests, web service calls, and messaging. Cluster Management Console (CMC) ✔✔The web-based user interface that manages a single Dynatrace Managed.
The CMC allows you to ✔✔- View the deployment status and configure your
- Dynatrace Managed cluster.
- Manage cluster nodes and ActiveGates.
- Manage your monitoring environments.
- Create user accounts and groups.
- View licensing information and consumption status.
- View audit log and cluster events. Monitoring environment ✔✔Includes all the dashboards, charts, reports, and other tools that Dynatrace makes available for the analysis of your application or applications. Dynatrace OneAgent DaemonSet ✔✔- You can set up on Kubernetes manually.
- Is a feature that ensures that if a copy of a pod on a node dies, the copy is recreated, and if nodes are added to the cluster, copies of the pod are added as well. Naming services ✔✔Web server name, Context root, & Web application ID. Web services identify ✔✔Web service name Db service naming identify ✔✔Database Name or schema, ip and port
- Day of week
- Day of month
- Once only
- Detect problems and alert
- Detect problems but don't alert
- Disable problem detection during maintenance Maintenance windows for Dynatrace OneAgent updates ✔✔For how often and when to renew your instances. You will be able to apply these settings to Host Groups or your whole Environment in Automatic Renew settings screens. No communications between services for 72+ hours ✔✔Not showing in smartscape Disable Java or .Net monitoring from all hosts ✔✔Settings > Monitoring > Monitored technologies > Global monitoring (set to off) Synthetic - Settings for Outage handling Local problems when a specified number of locations experience a given number of failures
Generate a problem and send an alert when this monitor is unavailable for one or more runs at any location.
- Alert if the selected location is unable to access my web application ✔✔- on first ocurrence, - 2, 3, 4 or 5 times consecutively Service status page ✔✔Dynatrace proactively keeps you informed of service incidents and outage resolutions Synthetic - Performance thresholds ✔✔Dynatrace generates a new problem if this monitor exceeds any of the below in 3 of the 5 most recent executions of any particular location, unless there is an open maintenance window for this monitor. The problem will be closed if no performance threshold is violated in the 5 most recent executions of any location that had been affected in that way before. Synthetic Advanced setup ✔✔- Enable additional HTTP headers
- Block specific requests
- Set cookies Conversion goal metrics ✔✔- Destination
- User action
- Session duration
You can use the Dynatrace recorder to record an exact sequence of clicks and user input that you are interested in monitoring for availability and performance. HTTP monitors ✔✔Is a simple request. You can use it to check if your website or API endpoint is available. Run automatically at regular intervals. Are executed by an ActiveGate and require a special ActiveGate configuration. Web Recorder ✔✔Google Chrome (latest version, backwards compatible) Result chart user session ✔✔app version, application, bouce, browser, browser monitor, browser type, conversion goals, converted, error count, ISP, location, manufacturer & device, OS, screen resolution, user action count, user, over time, hour When you creating synthetic locations, you can filter by: ✔✔- Cloud provider
- Continent
- Country
- IP Address
- Name
- Type How Dynatrace oneagent works? ✔✔Is essentially a set of specialized processes that run on each monitored host. Collects metrics from the operating system it runs on and compares the metrics to performance metrics. The most important metrics are then reported to Dynatrace. User management and SSO integration ✔✔- SAML 2.
- OpenID
- LDAP compatible with:
- AD FS
- Azure configuration
- GSuite
- Okta What is Dynatrace? ✔✔Is a software-intelligence monitoring platform that simplifies enterprise cloud complexity and accelerates digital transformation.
Dynatrace OneAgent can dig deeper and get network metrics at the process level. Through our process-to-process monitoring of network communications Dynatrace can: ✔✔- Ensure high-quality process communications.
- Understand your topology in dynamic environments.
- Process-level capacity monitoring.
- See integrated health monitoring. Communication from Dynatrace OneAgent to Dynatrace ✔✔Is outbound only, So there's no need to open ports for inbound Mobile application land page ✔✔- User experience
- Network performance
- Crashes
- Called services
- Apdex rating
- User action and users
- New users
- App version distribution
- Problems
- Top 3 actions
- Geographic regions
- Events Web application land page ✔✔- Top browser, xx% real users top user type, view geolocation breakdown
- Load actions, XHR Actions, Apdex rating & JavaScript errors
- Resources: xx/action, 3rd party/CDN resources xx/action resources
- Services
- User behavior: Top users, top user types, geolocation breakdown, Entry actions, other actions, exit actions & bounce rate
- Impact What is external service? ✔✔Any called by your application or another that isn't directly monitored by Dynatrace OneAgent.
Key request ✔✔Are requisitions that are of particular interest in your web-application environment because they're a critical measure of the success of your business (for example, a login or a shopping-cart checkout), because they provide vital technical functionality that your application relies on, or because they involve complex calculations. Merged services ✔✔Monitoring of data from services of the same type and the same process group. Aggregates multiple web-request services of the same process group that perform identical functions across separate cluster nodes. appears in Dynatrace as a single service that contains all the data of all aggregated services. Monitoring candidate ✔✔A host (either a VMware virtual machine or an EC2 instance) that communicates with monitored hosts in your environment, but doesn't itself have Dynatrace OneAgent installed on it Multi-dimensional baselining ✔✔There are a number of variables that affect application performance—most notably, geographic region, OS, browser, connection type, and user action. These are the five elements that Dynatrace uses to evaluate application health.
Opaque service ✔✔A service detected on the calling side by Dynatrace for which code-level visibility isn't available. Prediction-based anomaly detection ✔✔Evaluating traffic and load abnormality carries different assumptions than evaluating performance. Dynatrace uses a range of measures and methodologies to identify abnormality performance problems that affect customer experience and therefore require your attention. Examples of predictable cycles include weekends/workweeks, workday/evening hours, and customer activity occurring on an annual cycle, such as Black Friday. Problem ✔✔A logical grouping of information in Dynatrace that includes the AI-driven analysis, environmental context, root cause analysis, and other details provided for one or more incidents in your environment. Real user monitoring ✔✔- Analyzes the experience that your customers have while interacting with your application. Is a combination of web analytics and performance measurements that build a picture of how well your customer-facing components perform. Service backtrace ✔✔A visualization of all that send requests to a specific back-end service.
Timeframe selector options ✔✔- Presets
- Custom
- Recent Timeframe selector preset options ✔✔- Last: ::30 minutes, 1h, 2h, 6h, 24h, 72h, 7 days, 30 days, 90 days & 365 days.
- Today & yesterday. Timeframe selector Custom ✔✔- Calendar date view - from and to selection including date and time selection .NET Instrumentation ✔✔By placing trace statements at strategic locations in your code for code tracing, performance metrics, error detection, dependency tracking, and more. Not every detected application is instrumented by default. Dynatrace maintains a set of rules to instrument specific processes (for example, IIS application- pools, which you can extend with our own rules). .NET monitoring capabilities: ✔✔- End-to-end transaction tracing for web requests services, web services, remoting services, queues, and databases.
- Garbage collection & process metrics
- Always-on 24x7 production grade CPU profiling.
- OneAgent SDK for custom tracing. .NET Runtimes ✔✔Dynatrace provides support for .NET Framework as well as .NET Core. Java Monitoring ✔✔- End to end transaction tracing for web requests services, web services, remoting services, JMS and RabbitMQ.
- Insight into SQL databases (via JDBC) and No SQL databases like MongoDB, Cassandra and Redis.
- Heap, garbage collection, thread, JMX & process metrics.
- Heap dumps—Dynatrace supports heap dumps for the Oracle JVM, OpenJDK and IBM JVM.
- Always on 24x7 production grade CPU profiling. Java - How to identify memory leaks ✔✔As an initial indicator, check the garbage collection metrics.
