Get detailed debugging info Elasticsearch node

curl -o – “http://localhost:9200/_nodes/process?pretty”   { “cluster_name” : “prod-escluster”, “nodes” : { “NUyPv6zIQDS3wo_u_8FUaw” : { “name” : “es01”, “transport_address” : “inet[/192.168.1.147:9300]”, “host” : “es-01.streamuk.com”, “ip” : “127.0.0.1”, “version” : “1.4.2”, “build” : “927caff”, “http_address” : “inet[/192.168.1.147:9200]”, “attributes” : { “master” : “true” }, “process” : { “refresh_interval_in_millis” : 1000, “id” : 2185, “max_file_descriptors” : 500000,…

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Backup and Restore Elastic search

While elastic search is usually run as a cluster, for the sake of this tutorial I am showing the _snapshot and _restore tools.   mkdir /mnt/backups/my_backup chmod 777 -R /mnt/backups/ Must available on all nodes. curl -XPUT 'http://localhost:9200/_snapshot/my_backup' -d '{ "type": "fs", "settings": { "location": "/mnt/backups/my_backup", "compress": true } }' [root@centos-base mnt]# curl -XGET 'http://localhost:9200/_snapshot/my_backup?pretty'…

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Sending Elasticsearch to a syslog server

yum install rsyslog -y Add the following to rsyslog.conf on the client system ############ $ModLoad imfile $InputFileName /var/log/elasticsearch/elasticsearch.log $InputFileTag elasticsearch $InputFileStateFile stat-elasticsearch $InputFileSeverity Info $InputFileFacility daemon $InputRunFileMonitor #local3.* hostname:<portnumber> daemon.* @192.168.1.66:514 ############   Also if you want all logs to go through to syslog server:   *.* @192.168.1.66   at the end of the file….

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Installing sample data in elastic search

After installing elastic search it is useful for testing and training to load some sample data. 1) create mapping : curl -XPUT http://localhost:9200/shakespeare -d ' { "mappings" : { "_default_" : { "properties" : { "speaker" : {"type": "string", "index" : "not_analyzed" }, "play_name" : {"type": "string", "index" : "not_analyzed" }, "line_id" : { "type"…

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