Questions tagged as 'desempenho'

Tagged questions
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PHP file validation

I have a term insertion system via CSV files, eg: 09999999;José 08888888;Maria I get this file moved to the server, and then I open that file to insert into the database. My problem is that I need to validate the insert, I can not insert re...
asked by 09.08.2017 / 14:49
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Analysis of production code

Hello, I would like to know if there is any open source tool for me to analyze memory usage / processing allocated by my production methods. I would like to know what methods need attention and improvements, and thus decrease the resource...
asked by 07.06.2017 / 21:51
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What is the advantage of passing the parameter type in bindValue?

Looking at the answer of this question, I noticed that the user recommends passing the parameters by the bindValue function, indicating the parameter type. There are various types of parameters we can pass, but the ones that catch...
asked by 08.03.2017 / 18:48
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How to find select with no where in a laravel application [closed]

I have a problem and I can not identify where the laravel is doing a select without where in a table with many records, can anyone help me?     
asked by 24.05.2016 / 03:36
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Can Python be used for heavy work? [closed]

Good morning, I know that python is not a mto performatic language (aims at simplicity) An example here . But does she take it? For example on large servers with a lot of load like Facebook, bank sites etc. Would she be all right? Would it be f...
asked by 26.03.2016 / 15:36
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Problems in performance testing with Python

A group of friends and I are starting an initiative to create a repo in github in order to test the benchmark performance of http services implemented in several languages and frameworks. One of the languages we've implemented is Python, without...
asked by 06.04.2016 / 16:57
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Query Performance in MySql

I have in my form the option to perform a search for Rg or Cpf. Then I came to doubt about query performance using the following code: SELECT * FROM DADOSPESSOAIS WHERE (Rg = @Rg OR Cpf = @Cpf); This code above "costs" more than if I made t...
asked by 02.12.2015 / 12:02
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Scalability with Java [closed]

I now hear a lot about how some languages are highly scalable. But what would a scalable system be in Java ? That is, a high-performance system capable of withstanding millions of simultaneous accesses. It's possible? Or it would be more f...
asked by 25.08.2015 / 20:31
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MySql - Performance with 0% efficiency

My MySql is very slow in queries, but these same queries on the production server are quick. So moving here I found this screen as circled in red says efficiency is at 0% and production is at 99.8%. Can you increase the efficiency of my machine?...
asked by 02.07.2015 / 21:19
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Performance php + mongodb + graphics

Good morning wonderful people, I am a beginner in development and I have a question that has taken away my sleep, I am testing a system in php with database mongoDB, in which is generated a graph with metrics of all registers of mongodb (quantit...
asked by 17.09.2015 / 15:08