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Can i have 0 shards? - ElasticSearch - [mail # user]
...[quote="ana1, post:1, topic:148226"]Can i put 0 shards[/quote]I believe you mean **replica shards** and, yes, you can specify zero replica shards for an index. It is a dynamic setting so you...
   Author: Bernt Rostad , 2018-09-12, 03:55
[expand - 2 more] - Very slow cluster, cannot find "_cluster" index? - ElasticSearch - [mail # user]
...[quote="emilija, post:4, topic:147408"]"lucene_version": "5.4.1"[/quote]Wait a minute. It's Lucene version 5.4.1. So you are running Elasticsearch version 2.2.2.Then my initial reply still s...
   Author: Bernt Rostad , 2018-09-05, 14:28
[expand - 1 more] - Understanding recovery: primary vs replica performance difference - ElasticSearch - [mail # user]
...[quote="cdekker, post:3, topic:146702"]So on a 3 nodes cluster every index has 1 primary and 2 replicas = 3 copies of each shard.[/quote]Thank you for clearing up that misunderstanding. Then...
   Author: Bernt Rostad , 2018-08-31, 08:37
[expand - 2 more] - Free disk space monitoring after deleting records - ElasticSearch - [mail # user]
...[quote="Alessio_Frabotta, post:5, topic:146651"]I launch the command from Kibana's console,[/quote]That means you have a timeout issue either in the browser or in Kibana. I'm not sure which ...
   Author: Bernt Rostad , 2018-08-30, 15:14
Find Index name associated with ES/data folder - ElasticSearch - [mail # user]
...[quote="shine, post:1, topic:146586"]I had to delete all my data from my elasticsearch/data/nodes/* folder[/quote]Removing files from the Elasticsearch **path.data** directory is quite dange...
   Author: Bernt Rostad , 2018-08-30, 13:57
[expand - 1 more] - Is it possible to "disable" the node without shutting it down completely? - ElasticSearch - [mail # user]
...I've implemented a controller to do something similar; it sends a SIGTERM (kill -15 ) to the running Elasticsearch process and waits for it to shut down gracefully. It uses SIGKILL (kill -9 ...
   Author: Bernt Rostad , 2018-08-28, 15:00
Does ES ensure diversity of shards for a set of nodes in a cluster - ElasticSearch - [mail # user]
...I'm no expert on Elasticsearch shard allocation but I have made some observations over the years which may answer your question.What I've noticed through versions 5.x up to 6.2.2 (which is m...
   Author: Bernt Rostad , 2018-08-28, 14:50
[expand - 1 more] - Update ES2 to ES6 , it is very slowly when we reindex , there have any batter suggest for reindex? - ElasticSearch - [mail # user]
...[quote="showmeall, post:7, topic:145745"]should we stop ES index new docs when we do reindex?[/quote]I don't think indexing new documents to the old index will affect the reindex speed very ...
   Author: Bernt Rostad , 2018-08-24, 12:01
[expand - 1 more] - How i can increase thread pool queue size in Elasticsearch 5.6 - ElasticSearch - [mail # user]
...[quote="amitshar04, post:3, topic:145661"]java.lang.IllegalArgumentException: unknown setting [thread_pool.search.max_queue_size][/quote]I'm sorry for that bad advise :frowning:I see now tha...
   Author: Bernt Rostad , 2018-08-23, 07:41
Aggregation of more than 10000 records - ElasticSearch - [mail # user]
...[quote="kigonya, post:2, topic:145575"]I think the better question is why don't you want to reset max_result_window[/quote]That may work well and it may not.Personally I've had some bad expe...
   Author: Bernt Rostad , 2018-08-23, 04:55