How to Tune Java Garbage Collection - Sematext
Working with Java applications has a lot of benefits. Especially when compared to languages like C/C++. In the majority of cases, you get interoperability between operating systems and various environments. You can move your applications from server to server, from operating system to operating system, without major effort or in rare cases with minor changes. One of the most interesting benefits o
Solr vs Elasticsearch: Performance Differences & More - Sematext
“Solr or Elasticsearch?”…well, at least that is the common question we hear from Sematext’s consulting services clients and prospects. Which one is better, Solr or Elasticsearch? Which one is faster? Which one scales better? Which one is easier to manage? Which one should we use? Is there any advantage to migrating from Solr to Elasticsearch? – and the list goes on. These are all great questions,
HBase FuzzyRowFilter: Alternative to Secondary Indexes - Sematext
In this post we’ll explain the usage of FuzzyRowFilter which can help in many situations where secondary indexes solutions seems to be the only choice to avoid full table scans. BackgroundWhen it comes to HBase the way you design your row key affects everything. It is a common pattern to have composite row key which consists of several parts, e.g. userId_actionId_timestamp. This allows for fast fe
15 Best Java Performance Monitoring Tools & Software [2022] - Sematext
To keep your users happy – and business going – your Java app needs to be up and running smoothly at all times. It's not enough to just have it installed. You must look beyond the code and into the workings of the Java Virtual Machine (JVM) on an ongoing basis. By monitoring the JVM with the help of powerful Java monitoring tools, you can measure performance and detect issues that might affect you
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HBase Case-Study: Using HBaseTestingUtility for Local Testing & Development - Sematext
MotivationAs HBase becomes more mature there’s is a growing demand for tools and methods for making development process easier – here at Sematext (@sematext) we’ve gone through our own per aspera ad astra learning process in addition to Cloudera’s Hadoop trainings and certifications. In this post we share what we’ve learned and show how one can HBaseTestingUtility for this. Suppose there is a syst
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Video and Presentation: Indexing and Searching Logs with Elasticsearch or Solr - Sematext
Encrypting Logs on Their Way to Elasticsearch Part 2: TLS Syslog - Sematext
Encrypting Logs on Their Way to Elasticsearch - Sematext
Presentation: Introduction to Elasticsearch - Sematext
Announcement: JVM Memory Pool Monitoring - Sematext
Apache HBase Monitoring
Search Analytics: Business Value & NoSQL Backend Presentation - Sematext