elasticsearch data types

############## Share Create ES official website just a word ########1. download file sharing.Rpm-i http://mirror.symnds.com/distributions/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpm 2, installation yum-y install sshfs# If you install the same version of the server on your own machine offline. Modify/etc/yum/yum.conf keepcache=1# in/var/cache/yum/x86_64/6/epel/packages can find the package # Copy to the machine RPM-IVH fuxx.rpm 3, Find a shared location mkdir Backchmod 777 back 4, to ES on e

ElasticSearch stores each piece of the data in a document.That's what I need.Using the bulk API.Transform the raw data file from Data.json to be New_data.json .And then does this to import data to ElasticSearch:' Localhost:9200/_bulk ' --

Recently has been focus in the construction of ETL data Center this piece, the need to put hbase several tables of data in real-time synchronization to Elasticsearch, research for a period of time, on the Internet can refer to just a few documents: 1. The HBase data is synchronized to the

) {Integer ID= (Integer) hit.getsource (). Get ("id"); String name= (String) hit.getsource (). Get ("name"); String function= (String) hit.getsource (). Get ("Funciton"); List.add (NewEsbean (ID, name, function)); } } returnlist; }The third step is to write the entity class Esbean Public class esbean{private String reg_id; Private String organization; Omitting setter and getter methods; Public Esbean (String reg_id,string organization) {Super(); this. reg_id=reg_id; this. organiz

The following ES are based on version (V2.3.4)The default of ES1. Default automatically sends all cluster nodes of the same LAN first2. The default one index library will have 5 shards (the more shards, the better the efficiency)Because of these two defaults, the Shard pairs of the Unified Index library are distributed on different machines, and the API search has this problemSearch Type of ES1. Why do you have this thing?, these two problems occur:The difference between and and then: if2. Worka

Batch import data to Elasticsearch Based on Spring Batch, batchelasticsearch 1. Introduction When the system imports a large amount of data from the database to Elasticsearch, using Spring Batch can improve the import efficiency. Spring Batch uses ItemReader to read data by

do not do too much to explain, you can refer to MySQL client/server Protocol detailed understanding of MySQL Protocol,binlog events and other related knowledge. The related replication functions are implemented in the Go-mysql project.MySQL DumpIf it is a new MySQL, of course we can binlog the way to synchronize data conveniently. But if we want to sync a MySQL that's been running for a while, there might be a problem. Since earlier Binlog files have

Text mode batch update multiple fields The simplest use of an update request is to add new data. The new data is merged into the existing data, and if the same field exists, it is replaced by the new data. For example, we can add tags and views fields for our blog: Post/website/blog/1/_update { "doc": {" tag

Tags: backup rar aging Search Mfile mys node. js stdin Type1, installation ElasticsearchOfficial website Download: Https://www.elastic.co/downloads/elasticsearch2, Installation Elasticsearch-headGitHub Address: Https://github.com/mobz/elasticsearch-head, follow the instructions on GitHub to complete the installation (you need to install the node. JS Environment)3. Install Logstash (for

Here I am demonstrating the operation under WindowsFirst download logstash-5.6.1, directly to the official website to download1. You need to create the following jdbc.conf and myes.sql two filesinput {stdin {} jdbc {jdbc_driver_library="D:\jdbcconfig\sqljdbc4-4.0.jar"Jdbc_driver_class="Com.microsoft.sqlserver.jdbc.SQLServerDriver"jdbc_connection_string="jdbc:sqlserver://127.0.0.1:1433;databasename=abtest"Jdbc_user="SA"Jdbc_password="123456"# Schedule=Timeshare Month Year # Schedule= * A* * *//

1. Decompression logstash2.2.2 Backstage, enter the ETC directory, create logstash-simple.conf, add the following configuration, according to their own environment to modifyInput {JDBC {Jdbc_driver_library = "/usr/local/elasticsearch-2.2.1/mysqldriver/mysql-connector-java-5.1.30-bin.jar"Jdbc_driver_class = "Com.mysql.jdbc.Driver"jdbc_connection_string = "Jdbc:mysql://10.10.13.7:3306/carsrc?autoreconnect=trueusessl=false"Jdbc_user = "Devuser"Jdbc_passw

data from or to other type of data store. Reference link is:transporter. It's important to know this transporter synchronizing only once. When the job was done, the transporter comes to its end. 3. Plugin for ES There is a plugin to es named "Elasticsearch-river-mongodb", and was widely used in ES 1.x, but now River mechanism for E S 2.x is deprecated. Reference

affect the data The node,es cluster also does not take an abnormal recovery. for the es cluster to design the nodes of these three roles, but also from the hierarchical logic to consider, only the relevant functions and roles are clearly divided, each node to do their own responsibility, in order to play a distributed cluster effect. N Bsp For more elasticsearch knowledge, see

1. Preface In the mind of deletion, the basic cognition is delete, subdivided into deleted documents (document) and delete index; To delete historical data, the basic cognition is: Delete the data of the given condition, use Delete_by_query.Actual operation found:-After you delete the document, the disk space does not decrease immediately, but it increases.-There is no better way to do it than to +delete_by

Tags: Use file log nbsp Number install Ros put select====== MySQL River introduction ====== - what is River? The river represents a data source for ES and is also a way to synchronize data to ES with other storage methods (such as databases). It is an ES service that exists in plug-in mode, by reading the data in the river and indexing it into ES, the official ri

The Elasticsearch data is stored on the hard disk. When our access logs are very large, kabana is very slow when drawing graphics. and hard disk space is limited, it is not possible to save all log files. What if we want to get the important data of the site every day, such as the amount of traffic per day, and the way we want to visualize it?First, the specific

Basic JavaScript data types and types detection, javascript Data Types1. [basic JavaScript Data Types] JavaScript has dynamic types. This means that the same variables can be of differe