1. Service RPC port NameNode uses port 8020 by default to listen to all RPC requests (HDP version), including client data requests, DataNode heartbeat and block reporting, ZKFC module monitoring an
Tag: performance
Performance – How many nginx redirects too much?
I am working on a news center website that has existed for many years, and is steadily increasing page redirects. Currently we have about 375 redirects, an increase of about 5-10 per month. < p>
WCF and NetNameDPiPipeBinding are poor performance
I am using a WCF service with netNamedPipeBinding to transfer large amounts of data (a long list of objects) to the client (on the same machine of course).
The problem is the whole The call takes
Sybase – Index Property Precautions
I have a table in SYBASE, which has about 1 billion rows. There is currently no index created for this table, I want to create one now. My question is >Before creating an index, what precauti
Performance – Idata.frame: Why is wrong “Is.Data.frame (DF) is not TRUE”?
I use a large data frame called exp( file here) in R. In order to improve performance, I suggest that I view the idata.frame() function from plyr. But I think I’m wrong
My original phone is s
Performance test case
One: Load test-calculate the maximum concurrency In the process of performance testing, we should first design test scenarios to simulate the real business situation, and then pin Design test scr
Deepening – Highway Network in Keras and Thousands of Road – Significant Differences
I used keras and lasagna to implement a highway network, and the keras version has been lower than the lasagna version. I use the same data set and meta parameters in them. This is Keras version co
Configuring unit query performance is not good
I am adding 3 HIVE large tables (billion-row tables). Collected all the statistics, but the performance is still poor (query time is 40 minutes). Can I set any parameters in the HIVE prompt f
Language-independent – Is it really performance loss when capturing abnormalities?
I asked a question about exceptions, and I am very annoyed by those who say that throwing is slow. I have asked in the past in How exceptions work behind the scenes, and I know that in normal code
Performance – Excel 2003: Why do you have a link to other spreadsheets for so long?
My Excel application creates links to other Excel files. It takes about 1 second to create a link to a cell, but I have hundreds of cells to link, so it’s very Slow.
There is no difference in spee