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Questions tagged [elasticsearch]

Elasticsearch is a flexible and powerful open source, distributed, real-time search and analytics engine.

Elasticsearch is a flexible and powerful open source, distributed, real-time search and analytics engine. Architected from the ground up for use in distributed environments where reliability and scalability are must haves, Elasticsearch gives you the ability to move easily beyond simple full-text search. Through its robust set of APIs and query DSLs, plus clients for the most popular programming languages, Elasticsearch delivers on the near limitless promises of search technology.

http://www.elasticsearch.org

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Need help increasing performance of logstash

We are in the process of deploying an ELK stack and need advice and general recommendations regarding the performance of the cluster and more specifically, logstash. So the current setup we have now is that we have 1 kibana node, 2 logstash nodes…
nillenilsson
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ElasticSearch including or vs database?

I am trying to understand what ElasticSearch exactly does when it comes to persistence. When I index documents in ElasticSearch, I also within this step save them within ElasticSearch. Though the reason I index my documents with ElasticSearch is to…
Socrates
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Logstash isn't send info to elasticsearch

I have a Kibana environemtent installed, but isn't working. When I try to configure kibana, kibana says: Couldn't find any Elasticsearch data When I list indexes of elasticseach http://localhost:9200/_cat/indices?v it says: health status index uuid…
David
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Import Elasticsearch 2.X data to 6.X?

I've got some data/logs from Elasticsearch 2.4 & I've got a new Elasticsearch 6.X running. What's the best/correct way to import data from 2.X to 6.x? Thanks!
GTXBxaKgCANmT9D9
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How to take Elasticsearch single index backup

Can someone guide me to take single index backup in elasticsearch. When I search for this, I get all commands to take full snapshot.
beginnertopython
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elasticsearch: max file descriptors [1024] for elasticsearch process is too low, increase to at least [65536]

When I tried to run the logging aggregation I found out the following error generated by elasticsearch: [2018-02-04T13:44:04,259][INFO ][o.e.b.BootstrapChecks ] [elasticsearch-logging-0] bound or publishing to a non-loopback or non-link-local…
mootez
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CentOS7 + rsyslog-elasticsearch.x86_64 + nginx = charset=utf-8] is not supported

I am building a tiny system for log analysis, and not able to install additional agent, so using already working rsyslog to send logs to elasticsearch. My rsyslog and elasticsearch are separate VM's. These VM's have 1 common network: 10.8.4.0/24…
BiG_NoBoDy
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Using HAProxy for syslog traffic at scale

I have an environment that generates a frankly ludicrous amount of Syslog traffic - this is mostly due to a culture of leaving debug-level logging on in production applications (and changing this tendency is unfortunately off the table and way above…
Mikey T.K.
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packet_write_wait: Connection to 10.0.0.8 port 22: Broken pipe after sudo service elasticsearch start

I'm getting the weirdest error. After running config management to install elasticsearch on an instance, when I do sudo service elasticsearch start I get a Broken pipe error and ssh cuts out. Then after less than a minute I can ssh into the machine…
Luis F Hernandez
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Elasticsearch: no JDK found... but JAVA_HOME seems set properly

When I'm trying to install elasticsearch (Ubuntu 16.04) I get the error message: elasticsearch[15885]: * no JDK found - please set JAVA_HOME But I have only one Java and I think JAVA_HOME is set properly... $ echo…
MAL
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elasticsearch network recommendations server linux

I am looking for assistance regarding the network settings of my two servers that I am setting up for elasticsearch. On each server is an embedded network card and a extra network card is install with 4 port, two of which are 10GB. What I really…
juliand
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Different elasticsearch nodes for different use cases

Our Elasticsearch cluster is used to provide search results for a frontend. Most of the traffic is pretty negligible and the cluster can handle the load just fine. At a scheduled time each week, however, several hundred thousands of newsletters are…
hauptbenutzer
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ElasticSearch doesn't start after installing 5.6.4

I just installed ElasticSearch 5.6.4 from https://www.elastic.co/downloads/elasticsearch via DEB (I use Debian 9) package using these commands: wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.4.deb dpkg -i…
tomsk
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centos dedicated server backup strategy for mongodb and elasticsearch db

I have a main server (dedicated CentOS 7, XFS file system, 2X1TB SSD, software RAID1) connected via LAN to my backup server (dedicated CentOS 7, XFS file system, 2X2TB HDD, software RAID1) in my setup. I would appreciate a critique of my backup…
vjjj
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Info sent from Logstash via elastic output not showing in Kibana, but file output works fine - what am I doing wrong?

I have an "ELK stack" configuration and, at first, was doing the standard 'filebeat' syslog feeding from logstash with the elasticsearch output plugin. It worked just fine. Now I have added a TCP input port (with assigned "type" for this data so as…
Brendan
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