27. Data governance of yiee data operation system of Duoyi Education - atlas deployment and use

Catalog 1, atlas Compilation and packaging 2, atlas installation configuration 1. Compilation environment 2. Compilation steps 3. Installation steps 4. Hive hook configuration 5. Operation test 3, atlas configuration hive hook 4, Introduction to atlas         1,Base Search         ...

Posted on Tue, 11 Feb 2020 03:02:02 -0500 by bensonang

Document deletion for the SpringBoot series tutorial Solr

Document deletion for Solr, 200114-SpringBoot series tutorial The previous Search tutorial did not continue at the beginning, and now it is picked up again, at least to complete the basic operation posture of CURD; this article focuses on how to delete data <!-- more --> I. Configuration Before introducing demo, you need to install sol ...

Posted on Wed, 15 Jan 2020 21:08:27 -0500 by raahatazim

solr advanced query - group and facet

1. overview facet is just a simple statistical record. If you need to obtain doc information, you cannot return the actual data for each group of data. You need to query the actual data again. Group is similar to group by in a relational database. In addition to grouping, you can also return the actual data 2. Query example 2.1 group Query solr ...

Posted on Sat, 04 Jan 2020 15:13:38 -0500 by jellis

Use of Solr in java-05

Import the required coordinates. Note that it conflicts with the lower version of HTTP client <dependency> <groupId>org.apache.solr</groupId> <artifactId>solr-solrj</artifactId> <version>7.3.1</version> </dependency> //Connect to server HttpSolrClient solrClient = new HttpSolrClie ...

Posted on Thu, 05 Dec 2019 01:03:47 -0500 by terry1989

Causes and consequences of inode occupation

0. Problem description phenomenon After receiving the pin alarm, online Solr server / var partition inode is full. Influence /The var partition can no longer create new files. What is inode The inod is the index node of the block in the file system. Each file in the os will occupy one inode, and the size of the inode is limited. 1. inve ...

Posted on Tue, 03 Dec 2019 05:16:08 -0500 by craigh

Solr4 6 Expected content type application/octet-stream but g

                After load balancing solr4.6 with nginx-1.2.3, as long as the deletion is performed, the following stack will be reported: org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Expected content type application/octet-stream but got text/html. <html><head><title>411 Length Requir ...

Posted on Mon, 25 Nov 2019 16:51:20 -0500 by dpluth

Java full text search engine Solr

Full text search Inverted index Create an index based on the document, and then query the index to get the document. Compared with sequential query: it doesn't need so many queries (one document needs to be indexed and matched when it is found, and all queries are needed, so the efficiency is very low), and it can locate on the index, which doc ...

Posted on Fri, 15 Nov 2019 01:24:39 -0500 by dlgilbert

java common service cluster building [8] solrcloud

Solrcloud is the cluster of solr. This paper will explain how to build solrcloud cluster. 1. Preconditions Three CentOS servers The ip addresses of the three CentOS servers are 192.168.100.134, 135 and 136 respectively, and they ping each other zookeeper cluster is installed on three machines https://www.jianshu.com/p/48f142f8 ...

Posted on Fri, 08 Nov 2019 09:43:53 -0500 by PDP11

The principle of Solr and its application in the project.

As mentioned earlier, if you have installed and configured the Solr server, now let's officially use Solr in the code.1. How is Solr mainly used here? When we search for the product name keyword on the front page, we search for the corresponding product information in the Solr library, and then highlight the search keyword. 2. How is the prod ...

Posted on Mon, 21 Oct 2019 07:05:57 -0400 by SnakeO

IK Analyzer word breaker configuration of Solr4.10.2

1. Preparation Solr4.10.2 has been configured in Tomcat. See the previous blog for details.   2. Download IK word breaker Address: http://code.google.com/p/ik-analyzer/downloads/list Download IK analyzer2012ff ﹣ hf1.zip and IK analyzer2012ff ﹣ src.rar.   3. Unzip IK Analyzer 2012FF_hf1.zip and copy the jar package to the previously con ...

Posted on Mon, 21 Oct 2019 06:55:47 -0400 by zild1221