Dynatrace

FEBRUARY 25, 2025

A high-level overview of how an attacker can exploit a CVE-2024-53677 vulnerable Struts application to upload a web shell into a web-accessible directory and then remotely execute commands on the web server via the web shell. Stay tuned as we dive into the details of upcoming vulnerabilities. While Struts version 6.4.0

Servers 214

Servers Processing Java Tuning 214

DZone

AUGUST 4, 2022

For the longest time, hosting static files on CDNs was the de facto standard for performance tuning website pages. The host offered browser caching advantages, better stability, and storage on fast edge servers across strategic geolocations. Not only did it have performance benefits, but it was also convenient for developers.

Cache 305

Cache Tuning Storage Website 305

Dynatrace

JULY 2, 2019

For instance, alert me when an error 999 is detected in application server logs or any HTTP 500 error from the web server access log. If the code triggers an unexpected “connectionTimeOutException”, there is no “catch” so the application server will catch it and return an HTTP error. How to fine-tune failure detection.

Tuning 147

Tuning Artificial Intelligence Code Java 147

SQL Performance

APRIL 13, 2020

In my last post , I started to outline the process I go through when tuning queries – specifically when I discover that I need to add a new index, or modify an existing one. This is where index tuning becomes an art. I start with my baseline, then I create all the index variations, clear the plan cache, and see what SQL Server chooses.

Tuning 137

Tuning Cache Metrics Testing 137

SQL Shack

APRIL 14, 2020

SQL Server Performance Tuning can be a difficult assignment, especially when working with a massive database where even the minor change can raise a significant impact on the existing query performance. Performance Tuning always plays a vital role in database performance as well as product performance.

Tuning 88

Tuning Hardware Servers Performance 88

SQL Shack

APRIL 21, 2020

This article will cover some essential techniques for SQL query tuning. Query tuning is a very wide topic to talk about, but some essential techniques never change in order to tune queries in SQL Server. Particularly, it is a difficult issue for those who are a newbie to SQL query tuning or who are thinking […].

Tuning 92

Tuning Servers Performance 92

DZone

SEPTEMBER 25, 2019

The application was running on a GNU/Linux OS, Java 8, Tomcat 8 application server. Proxy Error The proxy server received an invalid response from an upstream server. Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /.

Tuning 173

Tuning Java Traffic AWS 173

The Netflix TechBlog

MAY 4, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 1 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Hundreds of millions of customers tune into Netflix every day, expecting an uninterrupted and immersive streaming experience. This technique facilitates validation on multiple fronts.

Traffic 347

Traffic Latency Tuning Systems 347

DZone

OCTOBER 1, 2023

As a distributed database, your data is partitioned into “shards” which are then allocated to one or more servers. Because of this sharding, a read or write request to an Elasticsearch cluster requires coordinating between multiple nodes as there is no “global view” of your data on a single server.

Open Source 257

Open Source Tuning Analytics Scalability 257

SQL Shack

NOVEMBER 23, 2020

In this article, we will talk about the query tuning features that were announced with SQL Server 2019. Introduction Sometimes, tuning the queries can be a tough task for database developers or administrators.

Tuning 76

Tuning Servers Database Development 76

Dynatrace

FEBRUARY 6, 2025

Host Monitoring dashboards offer real-time visibility into the health and performance of servers and network infrastructure, enabling proactive issue detection and resolution. Stay tuned for Part 2 of this series, where we’ll explore how to harness AI to elevate your dashboard to the next level.

Metrics 243

Metrics Infrastructure Monitoring Best Practices 243

Scalegrid

FEBRUARY 6, 2025

Kafka clusters can be deployed in Kubernetes using Helm charts to simplify scaling and management across multiple servers. Optimizing RabbitMQ requires clustering, queue management, and resource tuning to maintain stability and efficiency. This allows Kafka clusters to handle high-throughput workloads efficiently.

Latency 147

Latency Analytics Architecture Storage 147

SQL Shack

MAY 8, 2020

In this article, we will continue to learn essential techniques of the SQL Server query tuning with practical examples. Query tuning is a bit complicated issue and if any database programmer wants to be successful on this topic, they can start with learning these basic methods to improve their skill.

Tuning 86

Tuning Servers Database Performance 86

SQL Shack

JUNE 16, 2020

When dealing with SQL Server performance tuning waits, we may see RESOURCE_SEMAPHORE waits along with other related monitoring that indicates memory as a possible pain point for our server (such as the below image that shows memory being one of the top waits overall).

Tuning 75

Tuning Servers Performance Monitoring 75

SQL Performance

SEPTEMBER 17, 2019

Many database administrators find themselves having to support instances of SQL Server Reporting Services (SSRS), or at least the backend databases that are required for SSRS. This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation.

Tuning 67

Tuning Servers Database Best Practices 67

Scalegrid

MARCH 23, 2020

While its use and importance has decreased as the inbuilt replication options improved on PostgreSQL server side, this still remains a valuable option for older versions of PostgreSQL. Follow these steps to set up Pgpool-II, enable the connection pool services you need, and connect to your PostgreSQL server. At a glance. How it works.

Cache 264

Cache Servers Architecture Processing 264

SQL Shack

DECEMBER 8, 2020

Gaining experience in SQL query tuning can be very difficult and complicated for database developers or administrators. For this reason, in this article, we will work on a case study and we are going to learn how we can tune its performance step by step. In this fashion, we will understand well how to approach […].

Tuning 91

Tuning Servers Database Performance 91

SQL Shack

APRIL 19, 2021

In this article, we’ll show a process for SQL Server performance tuning, and several tools, tips and techniques you can use to monitor performance and take the necessary steps to improve it. SQL Server is a common platform for enterprise-grade database workloads.

Tuning 70

Tuning Servers Performance Database 70

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. Either or both may be required by backing storage engines to de-duplicate mutations.

Latency 260

Latency Storage Cache Servers 260

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 357

Traffic Latency Metrics Cache 357

Percona

MARCH 1, 2023

EXPLAIN ANALYSE is a big boon to query tuning. EXPLAIN without the ANALYSE gives you the server’s estimated analysis of the performance of your query. But before going with the MySQL Community Edition, you should look at Percona Server for MySQL. Why Percona Server for MySQL? And Percona Server for MySQL is free.

Servers 133

Servers Open Source Tuning C++ 133

Dynatrace

JUNE 16, 2022

A centralized approach to WAF uses a single firewall to protect many application servers against large-scale distributed attacks. Conversely, a decentralized approach protects application servers using multiple firewalls to protect against attacks that may have penetrated the network. More time for vulnerability management.

Tuning 246

Tuning Cloud Open Source Network 246

Dynatrace

FEBRUARY 22, 2021

More than 50% of the Synthetic-enabled ActiveGates used by our customers are deployed on Linux servers. Stay tuned for more upcoming improvements related to private synthetic monitoring. Here’s a sneak peek of what we’re working on: Support for Amazon Linux 2 and SUSE Enterprise Linux Server 15. What’s next.

Monitoring 246

Monitoring Tuning Network Operating System 246

Dynatrace

MAY 21, 2024

The settings on the General tab remain unchanged and govern the privacy settings executed on the server side ( masking at storage ), offering a second layer of control. To fine-tune your masking settings, select the entity you want to adjust and leverage the entity-specific settings.

Government 277

Government Storage Tuning Monitoring 277

Percona

OCTOBER 10, 2023

Why choose Percona Server for MongoDB? The difference between Percona Server for MongoDB and MongoDB CE is that we strive to provide a gap-closing set of features for users who want to use MongoDB in production. Why release Percona Server for MongoDB 7 now? which was released as Percona Server for MongoDB RC 7.0.2-1.

Servers 120

Servers Availability Database Open Source 120

Dynatrace

AUGUST 29, 2023

Dynatrace has announced that it has successfully achieved the Google Cloud Ready – Cloud SQL designation for Cloud SQL, Google Cloud’s fully-managed, relational database service for MySQL, PostgreSQL, and SQL Server.

Google 246

Google Cloud Design Programming 246

Percona

MARCH 26, 2025

Everyone knows that MongoDB has FTDC (Full-Time Diagnostic Data Capture), which helps MongoDB engineers analyze server behavior, tune parameters, and conduct forensic work when issues occur within their clusters. It’s very useful for tuning parameters or analyzing what happened at […]

Metrics 64

Metrics Tuning Servers Engineering 64

InfoQ

JANUARY 26, 2024

Discord optimized its platform to serve over one million online users in a single server while maintaining a responsive user experience. By Rafal Gancarz

Servers 107

Servers Tuning Scalability Performance 107

Dynatrace

FEBRUARY 14, 2022

Multiple Prometheus servers might be required, creating significant maintenance efforts. Alternatively, if you’re already using a Prometheus Server to gather data from your distributed systems, you can now seamlessly make this data work for you in Dynatrace as well—use your Prometheus server as the endpoint for scraping metrics.

Technology 246

Technology Technology Metrics Infrastructure 246

Percona

AUGUST 31, 2018

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. Some applications perform better by tuning a parameter and some don’t. Conclusion.

Tuning 79

Tuning Database Performance Benchmarking 79

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. The $47,500 licensing costs for Oracle Enterprise Edition is only for one CPU core, that ultimately has to be multiplied with the actual number of cores on the physical server. Compare Ease of Use.

Open Source 244

Open Source C++ Tuning Database 244

Percona

AUGUST 29, 2018

Poorly configured OS kernel parameters can cause degradation in database server performance. Therefore, it is imperative that these parameters are configured according to the database server and its workload. You can tune the difference between the two ratios depending on your disk IO load. SHMMAX / SHMALL. Summing up.

Tuning 79

Tuning Database Servers Processing 79

Dynatrace

JUNE 9, 2021

A web application is any application that runs on a web server and is accessed by a user through a web browser. Dynamic Application Security Tests (DAST) analyze running code, including the underlying application frameworks and servers. Positive filters are highly effective at blocking attacks but require constant tuning.

Open Source 261

Open Source Entertainment Tuning Internet 261

Dynatrace

OCTOBER 7, 2020

Stay tuned for an upcoming blog series where we’ll give you a more hands-on walkthrough of how to ingest any kind of data from StatsD, Telegraf, Prometheus, scripting languages, or our integrated REST API. Stay tuned. Dynatrace unlocks over 200 new technology integrations.

Open Source 264

Open Source Metrics Analytics Tuning 264

Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? Sysbench ran on a third server, which I’ll refer to as the application server (APP).

Tuning 145

Tuning Cache Servers Benchmarking 145

Scalegrid

OCTOBER 17, 2019

Using a connection pool in each module is hardly efficient: Even with a relatively small number of modules, and a small pool size in each, you end up with a lot of server processes. You either need an extra server (or 3), or your database server(s) must have enough resources to support a connection pooler, in addition to PostgreSQL.

Architecture 200

Architecture Database Latency Servers 200

Dynatrace

FEBRUARY 1, 2020

Such web resources have two things in common: Their requests never hit your data center, hence any failed requests don’t show up in your web server logs. Stay tuned for Part 2. Their performance and any errors they cause can have a massive impact on your bottom line.

Tuning 241

Tuning Monitoring Network Best Practices 241