Dynatrace

JULY 2, 2024

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. Analyze network flow logs Last but not least, your network logs are the ultimate source of data. The CVE assigned to this vulnerability is CVE-2024-6387.

AWS 218

AWS Network Traffic Servers 218

Dynatrace

JUNE 5, 2023

The F5 BIG-IP Local Traffic Manager (LTM) is an application delivery controller (ADC) that ensures the availability, security, and optimal performance of network traffic flows. Detect and respond to security threats like DDoS attacks or web application attacks by monitoring application traffic and logs.

Traffic 208

Traffic Virtualization Metrics Monitoring 208

The Netflix TechBlog

APRIL 20, 2020

How Netflix brings safer and faster streaming experience to the living room on crowded networks using TLS 1.3 We want playback to start instantly and to never stop unexpectedly in any network environment. for streaming traffic. Therefore, it requires more messages to perform a handshake and two network round trips.

Network 242

Network Media Transportation Traffic 242

Scalegrid

SEPTEMBER 5, 2024

If the primary server encounters issues, operations are smoothly transitioned to a standby server with minimal interruption. Key Takeaways PostgreSQL automatic failover enhances high availability by seamlessly switching to standby servers during primary server failures, minimizing downtime, and maintaining business continuity.

Availability 257

Availability Servers Database Open Source 257

VoltDB

APRIL 25, 2024

To move as fast as they can at scale while protecting mission-critical data, more and more organizations are investing in private 5G networks, also known as private cellular networks or just “private 5G” (not to be confused with virtual private networks, which are something totally different). What is a private 5G network?

Network 52

Network IoT Wireless Infrastructure 52

The Netflix TechBlog

JUNE 14, 2023

Before GraphQL: Monolithic Falcor API implemented and maintained by the API Team Before moving to GraphQL, our API layer consisted of a monolithic server built with Falcor. A single API team maintained both the Java implementation of the Falcor framework and the API Server. To launch Phase 1 safely, we used AB Testing.

Traffic 356

Traffic Latency Cache Metrics 356

DZone

AUGUST 16, 2023

Reduced server load: By serving cached content, the load on the server is reduced, allowing it to handle more requests and improving overall scalability. Bandwidth optimization: Caching reduces the amount of data transferred over the network, minimizing bandwidth usage and improving efficiency.

Cache 246

Cache Scalability Performance Latency 246

Dynatrace

JULY 15, 2024

These include traditional on-premises network devices and servers for infrastructure applications like databases, websites, or email. A local endpoint in a protected network or DMZ is required to capture these messages.

Infrastructure 232

Infrastructure Network Azure Monitoring 232

The Netflix TechBlog

OCTOBER 14, 2024

the ipykernel process) of the jupyter-lab server process , which means the main event loop being injected by pystan is that of the ipykernel process, not the jupyter-server process. Blame The Network The next theory was that the network between the web browser UI (on the laptop) and the JupyterLab server was slow.

Latency 211

Latency Virtualization Traffic Processing 211

Dynatrace

SEPTEMBER 5, 2024

Native support for Syslog messages Syslog messages are generated by default in Linux and Unix operating systems, security devices, network devices, and applications such as web servers and databases. Native support for syslog messages extends our infrastructure log support to all Linux/Unix systems and network devices.

Innovation 273

Innovation AWS Analytics Storage 273

Scalegrid

AUGUST 30, 2024

Authentication Mechanisms in RabbitMQ RabbitMQ provides several authentication mechanisms to ensure the security of user-server connections, such as using a combination of username and password or employing X.509 When an authentication attempt fails in RabbitMQ, it terminates connections, and error messages are recorded in server logs.

Transportation 130

Transportation Virtualization Strategy Storage 130

Dynatrace

MARCH 22, 2021

To keep infrastructure and bare metal servers running smoothly, a long list of additional devices are used, such as UPS devices, rack cases that provide their own cooling, power sources, and other measures that are designed to prevent failures. Our network-device monitoring solution will ultimately provide more than just SNMP extensions.

Metrics 246

Metrics Network Infrastructure Traffic 246

Dynatrace

JANUARY 11, 2023

Continuous cloud monitoring with automation provides clear visibility into the performance and availability of websites, files, applications, servers, and network resources. Website monitoring examines a cloud-hosted website’s processes, traffic, availability, and resource use. Cloud-server monitoring.

Cloud 234

Cloud Monitoring Best Practices Infrastructure 234

Dynatrace

AUGUST 18, 2022

Security vulnerabilities are weaknesses in applications, operating systems, networks, and other IT services and infrastructure that would allow an attacker to compromise a system, steal data, or otherwise disrupt IT operations. For example, an attacker could exploit a misconfigured firewall rule to gain access to servers on your network.

Traffic 174

Traffic Java Network DevOps 174

Scalegrid

AUGUST 22, 2019

Standby Server Tests. Reboot the server. patronictl list did not display this server. Master/Primary Server Tests. Reboot the server. Failover happened and one of the standby servers was elected as the new master after obtaining the lock. Network Isolation Tests. Test Scenario. Observation.

Availability 277

Availability Servers Network Testing 277

The Morning Paper

NOVEMBER 15, 2020

Achieving 100 Gbps intrusion prevention on a single server , Zhao et al., Today’s paper choice is a wonderful example of pushing the state of the art on a single server. An IDS/IPS monitors network flows and matches incoming packets (or more strictly, Protocol Data Units, PDUs) against a set of rules. OSDI’20.

Servers 128

Servers Hardware Latency Design 128

Brendan Gregg

MARCH 23, 2024

Some servers have accelerators and you'll want their analysis tools installed as well: e.g., on Intel GPU servers, the intel-gpu-tools package; on NVIDIA, nvidia-smi. On cloud instances, adding Mbytes to the base server image can add seconds, or fractions of a second, to instance deployment time. This list is a minimum.

Servers 140

Servers Traffic Network Systems 140

The Netflix TechBlog

SEPTEMBER 18, 2024

message IdempotencyToken ( Timestamp generation_time, String token ) At Netflix, client-generated monotonic tokens are preferred due to their reliability, especially in environments where network delays could impact server-side token generation. While processing this request, the server retrieves data from the backing store.

Latency 248

Latency Storage Cache Efficiency 248

Dynatrace

APRIL 2, 2020

For two decades, Dynatrace NAM—Network Application Monitoring, formerly known as DC RUM—has been successfully monitoring the user experience of our customers’ enterprise applications. SNMP managed the costs of network links well, but not the sources of those costs (i.e., Dynatrace news. Performance has always mattered.

Network 167

Network Traffic Monitoring Java 167

Dynatrace

SEPTEMBER 29, 2021

A standard Docker container can run anywhere, on a personal computer (for example, PC, Mac, Linux), in the cloud, on local servers, and even on edge devices. This opens the door to auto-scalable applications, which effortlessly matches the demands of rapidly growing and varying user traffic. Networking. What is Docker?

Open Source 314

Open Source Traffic DevOps Cloud 314

Speed Curve

FEBRUARY 5, 2024

Server-timing headers are a key tool in understanding what's happening within that black box of Time to First Byte (TTFB). Cue server-timing headers Historically, when looking at page speed, we've had the tendency to ignore TTFB when trying to optimize the user experience. I mean, why wouldn't we?

Servers 57

Servers Cache Benchmarking Retail 57

Dynatrace

JUNE 25, 2020

The network latency between cluster nodes should be around 10 ms or less. Minimized cross-data center network traffic. For Premium HA, this has been extended from 10 ms latency (in the same network region) to around 100 ms network latency due to asynchronous data replication between regions.

Availability 256

Availability Hardware Latency Traffic 256

Scalegrid

AUGUST 27, 2024

They utilize a routing key mechanism that ensures precise navigation paths for message traffic. Task Distribution in Web Servers In web applications experiencing high traffic levels, it is crucial to allocate tasks effectively to avoid overwhelming the servers. </p>

Ecommerce 130

Ecommerce IoT Games Scalability 130

The Netflix TechBlog

FEBRUARY 18, 2022

To this end, we developed a Rapid Event Notification System (RENO) to support use cases that require server initiated communication with devices in a scalable and extensible manner. We thus assigned a priority to each use case and sharded event traffic by routing to priority-specific queues and the corresponding event processing clusters.

Systems 334

Systems Traffic Architecture Mobile 334

The Netflix TechBlog

OCTOBER 8, 2024

Challenges At Netflix, temporal data is continuously generated and utilized, whether from user interactions like video-play events, asset impressions, or complex micro-service network activities. Handling Bursty Traffic : Managing significant traffic spikes during high-demand events, such as new content launches or regional failovers.

Latency 236

Latency Storage Traffic Tuning 236

Dynatrace

JANUARY 28, 2021

With Dynatrace OneAgent you also benefit from support for traffic routing and traffic control. OneAgent implements network zones to create traffic routing rules and limit cross-data-center traffic. TCP Server. // Start TCP server. listener, _ := net.Listen("tcp", ":1234"). defer conn.Close().

Traffic 177

Traffic Open Source Servers Cloud 177

Dynatrace

MAY 6, 2020

Over the last two month s, w e’ve monito red key sites and applications across industries that have been receiving surges in traffic , including government, health insurance, retail, banking, and media. The following day, a normally mundane Wednesday , traffic soared to 128,000 sessions.

Website 228

Website Monitoring Retail Media 228

Dynatrace

DECEMBER 9, 2020

With Dynatrace OneAgent you also benefit from support for traffic routing and traffic control. OneAgent implements network zones to create traffic routing rules and limit cross data-center traffic. Upgrade OpenTracing instrumentation with high-fidelity data provided by OneAgent.

Java 245

Java Traffic Architecture Serverless 245

Dynatrace

MAY 8, 2023

The process involves monitoring various components of the software delivery pipeline, including applications, infrastructure, networks, and databases. Infrastructure monitoring Infrastructure monitoring reviews servers, storage, network connections, virtual machines, and other data center elements that support applications.

DevOps 231

DevOps Efficiency Monitoring Infrastructure 231

Dynatrace

JULY 31, 2024

For example, a good course of action is knowing which impacted servers run mission-critical services and remediating those first. Many businesses rely on third-party services, such as payment processors, content delivery networks (CDNs), and ticketing systems to get through their day-to-day operations.

Airlines 189

Airlines Monitoring Healthcare Traffic 189

Dynatrace

MAY 31, 2023

The growing amount of data processed at the network edge, where failures are more difficult to prevent, magnifies complexity. It detects regressions and deviations from previously observed behavior across metrics such as latency, traffic, error rates, saturation, security coverage, vulnerability risk levels, and memory consumption.

Best Practices 233

Best Practices DevOps Latency Metrics 233

Scalegrid

FEBRUARY 8, 2024

A distributed storage system is foundational in today’s data-driven landscape, ensuring data spread over multiple servers is reliable, accessible, and manageable. These storage nodes collaborate to manage and disseminate the data across numerous servers spanning multiple data centers.

Storage 130

Storage Systems Big Data Azure 130

Dynatrace

AUGUST 29, 2024

IoT is transforming how industries operate and make decisions, from agriculture to mining, energy utilities, and traffic management. They enable real-time tracking and enhanced situational awareness for air traffic control and collision avoidance systems. The ADS-B protocol differs significantly from web technologies.

IoT 224

IoT Analytics Transportation Metrics 224

Dynatrace

APRIL 26, 2022

With DEM solutions, organizations can operate over on-premise network infrastructure or private or public cloud SaaS or IaaS offerings. STM generates traffic that replicates the typical path or behavior of a user on a network to measure performance for example, response times, availability, packet loss, latency, jitter, and other variables).

Monitoring 217

Monitoring Social Media IoT Metrics 217

Percona

MARCH 29, 2023

In this blog, we will discuss both data and network-level compression offered in MongoDB. We will discuss snappy and zstd for data block and zstd compression in a network. Percona Server for MongoDB (PSMDB) supports all types of compression and enterprise-grade features for free. I am using PSMDB 6.0.4

Storage 114

Storage Network Open Source Latency 114

The Netflix TechBlog

NOVEMBER 3, 2022

With traffic growth, a single leader node handling all request volume started becoming overloaded. We started seeing increased response latencies and leader servers running at dangerously high utilization. Usage of high-resolution monotonic time sources like Java’s nano time within a single server process.

Cache 229

Cache Latency Traffic Systems 229

Dynatrace

MAY 17, 2023

Think about items such as general system metrics (for example, CPU utilization, free memory, number of services), the connectivity status, details of our web server, or even more granular in-application tasks like database queries. Let’s click “Apache Web Server apache” now.

Metrics 183

Metrics Monitoring Database Network 183