When doing data analysis for business scenarios, we have many business scenarios that need to be overwritten with the latest data. To achieve data coverage, in the database, you only need to ensure that the main keys of the data are the same
Exceptions represent the same business. Four jobs are processed separately, but one of them is abnormal and restarted continuously, as shown below: check the service log during troubleshooting, as shown below: org. apache. fli
Background We tested three schemes: Elasticsearch+Elastiknn: es+plug-in, which tested the exact and lsh
Background On December 10, 2021, the first remote code execution vulnerability in the Apache Java module Log4j library was publicly disclosed, which was identified as CVE-2021-4422
Configuration: Opensearch version 1.1.0, 16G jvm creates mapping. Here, two types of mapping are created: exact and h
Configuration: Elastic search version 7.14.1, 16G JVM creates mapping {"feature": {
Background Here is a survey and performance test report. We found that the industry is using elastic search+vector search plug-in to do some feature search. This direction is relatively mature. At present
K-Nearest Neighbors K-Nearest Neighbors is very simple and effective. The model representation of KNN is the whole training data set. Is it simple? By searching
Preface We have many business scenarios that use de counting. In order to do this better, we need to have a deep understanding of the tools used. Where cardinally aggregation
The background mainly records the process of tool installation and configuration. Host configuration: 24 core E5-2678 v3 @ 2.50GHz 92G memory, 2 12G video memory, 1080T
There is a server in the small computer room of the background company, on which there is a plug-in video card. Through nvidia smi, we can see that both the smi version and the driver version are quite old
Background We have a need to release the company's SaaS products to the Huawei Cloud Store, and to interface and develop the corresponding interfaces. The official document is as follows: here, but our development language is Golan
