Questions tagged [performance]

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Docker performance when running on LVM

It seems that when using overlay2 storage driver, docker is much slower when using a LVM compared to without a LVM (ext4 filesystem in both cases, same machine). Questions: Is this intended/expected? ...
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1 answer
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Snapshot or Saving Prometheus Data for Performance testing and comparison

I have an application and system that exposes its resource metrics to Prometheus and Grafana that I want to do performance testing on. I want to be able to conduct a test, capture the metrics on CPU, ...
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Kubernetes & etcd Stability

I'm running into some stability problems with Kubernetes and etcd and I was hoping someone could give me some guidance. This isn't a new problem, but an ongoing one that was observed with current and ...
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Is there an (evolving) standard technical DevOps envrironments benchmark available and if not what can be benchmarked if anyhow?

For sure it's very hard to say there is an end to end benchmark but maybe there is some part to focus on with the goal to create some comparability between system environments. In a previous question ...
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1 answer
154 views

Kubernetes pods scaling doesnt increase throughput

I have a simple Django web application running on AWS EC2 instance (2 vCPU, 4Gi). For that type of deployment I have a performance (measured with Hey) $ hey -t 30 -z 1m https://mydomain.com/my/...
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3 votes
1 answer
1k views

Kibana slow performance optimization

I have a Kibana page which takes about 7-10 seconds to load. Benchmarking same page shows ~1s to complete the request $ ab -n 10 "http://kibana/app/discover#/view/15a67850-6921-11ea-8308-...
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1 vote
0 answers
30 views

What is the best way to deploy a short living process when you have no machine?

I'm new to devops . I created a converter and want to deploy it . The converter converts a 3D model from a format to another and then you'll be able to visualize the outpout file on the platform and ...
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2 votes
1 answer
59 views

get value of default_statistics_target on postrgesql

I want to see the value of default_statistics_target on postgresql before running SET default_statistics_target=1000 Its most likely the default (100) but would like to see it. Where it can be ...
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2 answers
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Can a 5 US $ VPSE support VAD stack with 2 relatively-small CMSs?

I'm new to DevOps and quite troubled financially but I desire to put websites that I now host on a shared server environment (CetnOS 12.x.x) on some cloud like DigitalOcean or Lindoe (but without ...
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1 vote
1 answer
29 views

Is there an established metric to describe optimal/needed ressources for a specific computational task?

Let's say I have a piece of software which does a computational task that is pretty demanding to either CPU/GPU/RAM/Disk-IO or a combination of those. Then it would be optimal if one has some metric ...
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2 votes
2 answers
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Identifying a benchmark to compare overall performance of VM virtualization vs hardware

Which performance index is most suitable to find out real performance of your VM limited by sharing and quotas? For example, if you have a physical server with 4 cores and 16 GB RAM, its performance ...
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3 votes
1 answer
594 views

What is a good storage for storing performance results and visualizing in grafana

Intro I am a tester and need to analyze the results of automated tests (response times and etc.) Current situation 1) I run performance tests using locust.io 2) During test execution, response ...
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1 vote
0 answers
43 views

How can we monitor internal or external webservices? [closed]

We have Web Performance monitoring third party Tool. We are using New Relic. However, we are not able to monitor either Internal or External Web services. In an assumption, if the web service goes ...
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  • 111
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1 answer
51 views

Docker image delivery lead time SLA

What is the best practice either reference value in terms of an SLA spec to expect the infrastructure to: deliver a Docker image say for 100MB and 1GB size as reference? unpack the above? instantiate ...
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1 vote
1 answer
2k views

Docker and shared memory optimization?

Imagine you would run a bunch of services say based on the same Tomcat image. Would Docker optimize memory usage for identical memory segments and reuse these patterns?
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6 votes
3 answers
493 views

Should performance tests be run using a CI and how often?

There are tools that test the performance of applications, like gatling. It is possible to run such a test once in a while, but in practice is is not run periodically. We were discussing how to run it ...
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2 votes
1 answer
42 views

Scheduling collisions possible in IaC - Infrastructure as Code - solutions vs. software defined data center?

To clarify the terms first, Infrastructure as Code (IaC) can be delivered with upcoming technologies like Docker Swarm, Kubernetes, OpenShift, OpenStack and possiby some others run on bare metal. - ...
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6 votes
1 answer
801 views

Re-using Python virtual environment vs Re-building it

Currently, we build our application on a build server where we create a virtual environment using virtualenv command, install all the Python dependencies into it, then "patch" it using the following ...
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10 votes
1 answer
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Should I use multiple beats input in Logstash?

After some researches around the beats input plugin and specially this rewrite I wonder if I should use only one beat input or multiples to handle multiples entry types. I'll have events coming from ...
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14 votes
4 answers
10k views

How to performance test AWS Lambda functions?

AWS Lambda cost is dependent on the time a function runs, and to some extent on memory footprint. Having functions that finish faster, and take up less memory can save quite a lot of money. Especially ...
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