Questions tagged [performance]
The performance tag has no usage guidance.
19
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15
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4
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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 ...
- 8,993
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 ...
- 11.4k
6
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3
answers
617
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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 ...
- 13.3k
6
votes
1
answer
1k
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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 ...
- 849
3
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1
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2k
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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-...
- 671
3
votes
1
answer
647
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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 ...
- 141
2
votes
2
answers
101
views
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 ...
- 6,782
2
votes
1
answer
55
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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. - ...
- 6,782
2
votes
1
answer
221
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 ...
- 31
2
votes
2
answers
390
views
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?
...
- 23
1
vote
1
answer
2k
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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?
- 6,782
1
vote
2
answers
39
views
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 ...
user5176
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 ...
- 69
0
votes
1
answer
52
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Performance of newly created Azure VM
Our team copied a VM from one Azure subscription onto a new Azure subscription.
This VM acts as a Clickhouse client. Both the original and the copied VMs share the same characteristics: Standard B4ms (...
- 95
0
votes
1
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277
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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, ...
- 191
0
votes
1
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544
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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/...
- 671
0
votes
1
answer
89
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 ...
- 6,782
0
votes
0
answers
16
views
Difference between series cardinality on influxdb and prometheus
We are currently using influxdb 1.8 as our metrics store in our monitoring stack and are looking to see if the current stack can be moved to Prometheus.
One of the aspects that we are looking at is ...
- 473
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0
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46
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 ...
