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More about Spring Cache Performance
This is a follow up to our last post about Spring’s cache abstraction. As engineers, you gain valuable experience by understanding the internals of some
Filed under: Blog Performance Programming
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Spring Cache – Profiling
At Plumbr, we’re constantly working on how software can be made faster, and more reliable. The promise we’ve made to our customers is to avoid
Filed under: Blog Performance Programming
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Mapping Plumbr to Monitoring Terminology
There are four “cornerstones” upon which the whole galaxy of monitoring services is built. These are Availability, Latency, Throughput, and Capacity. Whether our applications are
Filed under: Monitoring Performance Plumbr
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Outage == Outrage
Let’s own up – we’ve all been part of teams that have faced failures and/or slow performance in web applications. The Google SRE book[1] highlights
Filed under: Monitoring Performance Plumbr Product Updates
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Lies, damn lies and “our performance overhead is 2%”
Measuring the performance overhead of a Java agent happens to be a lot more complex exercise than it might originally seem. This post explains how system saturation is the key source for performance issues to be caused and gives specific examples how certain aspects introduced by agents can impact the performance of the system.
Filed under: Java Performance
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The use of proxy indicators in service management
Proxy indicator is an indirect measure or sign that approximates or represents a phenomenon in the absence of a direct measure or sign. Lets look what this definition means in the context of service management and how we used proxy indicators ourselves in the absence of direct measure.
Filed under: Monitoring Performance
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Going off-heap to improve latency and reduce AWS bill
Describing how going off-heap with the help of Chronicle Map helped us to get rid of the latency hiccups and cut our Amazon AWS bill in half.
Filed under: Java Performance
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Most frequent performance bottlenecks
Explore the list of the performance issues with the most impact to end user experience. The data set originates from 1,020 different deployments Plumbr was monitoring during the past three months.
Filed under: Monitoring Performance
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Squeezing data into the data structure
This story describes our recent experience with data structure optimization. With some tricks being pulled off the hat, we were able to reduce the original 2G data structure by 100x.
Filed under: Performance
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Examples of caching backfiring on performance
In 2015 it should not surprise anyone that caching frequently used data is likely to improve the performance of the application. Caching certain data structures
Filed under: Monitoring Performance