I wrote a Haskell module that lists all the contents of the directory in width-first order. The following is the source code.
module DirElements (dirElem) where
import System.Directory (getDi
Tag: performance
Performance – How to get time costs from HDFS read data from HDFS from spark
Spark’s timeline contains:
>Scheduler delay
>Task deserialization time
>Random play time
>Performer calculation time
>Random play write time
>Result serialization time
>Result time
It
Performance – Index Size on search speed (storage or not store)
Now, we use Solr as a full-text index, where all the fields of the document are indexed but not stored.
There are millions of documents, and the index size is 50 GB. The average query time is abou
Performance – prove faster development machine
I think quantifying productivity gains (extra working hours) is the most effective way to achieve this goal.
My point is: I have one at home Fast machine, and slow work speed. My estimate is
Kibana uses Metricbeat performance monitoring
Install and downloadwget -qO-https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add –
sudo apt-get install apt-transport-https
echo “deb https://artifacts.elastic.co/packages/7.x/apt
Performance – Mixed Mixed Mode Rolling Lag
Just use’mix-blend-mode: overlay’ on the text element and it will cause my browser to scroll very slowly when the text is in screen view. Scrolling After the text item, scrolling will return to smo
Facelet label performance
I have a file with a lot of content. For example, when displaying a user profile, every EL expression in is the same. Need userId as a bean The parameter is taken from the session context. I decla
ReactJS – Reaction Performance: What is a good guide for the number of components?
I am using React, Bootstrap and Typescript.
I have built a list/edit screen that can contain up to 200 lines (100 “lists” Lines and 100 “detail” lines).
Each “detail” line contains a complete
Performance – How to vectorize many ranked first external products?
Can the following loop be vectorized? Each iteration in the loop forms an outer product, then symmetric and store the result as a column in a matrix. Expect m to be large (e.g., 1e4) and s to be sm
How many collections may be in MongoDB in MongoDB without loss?
I see that by default, MongoDB has 24,000 available collections with 16MB .ns files. If I increase it to 2GB (maximum), then I can Get 3,000,000 collections in it? Will there be a significant drop