# Elasticsearch **URL:** https://discuss.elastic.co/c/elastic-stack/elasticsearch/6.md?page=881 [Latest](https://discuss.elastic.co/latest.md) · [Categories](https://discuss.elastic.co/categories.md) · [Tags](https://discuss.elastic.co/tags.md) **Page:** 882 --- ## [Unable to connect my java application to the Elastic Stack Instance](https://discuss.elastic.co/t/unable-to-connect-my-java-application-to-the-elastic-stack-instance/238430)
**Author:** [@Ubeta](https://discuss.elastic.co/u/Ubeta)\ **Replies:** 2\ **Last updated:** [June 25, 2020, 1:13am UTC](https://discuss.elastic.co/t/unable-to-connect-my-java-application-to-the-elastic-stack-instance/238430 "2020-06-25T01:13:03Z")
Hi! I have set up my Elastic Cloud Service through Google Cloud and have set up an Elastic Search Instance. I can upload my data to Elastic search and query my data just fine. However, when I try to connect to the Elas… --- ## [Cross cluster (TLS and Plain Text)](https://discuss.elastic.co/t/cross-cluster-tls-and-plain-text/237939)
**Author:** [@elk\_follower](https://discuss.elastic.co/u/elk_follower)\ **Replies:** 2\ **Last updated:** [June 25, 2020, 12:11am UTC](https://discuss.elastic.co/t/cross-cluster-tls-and-plain-text/237939 "2020-06-25T00:11:00Z")
Hi, Currently we have a ELK 6.8.6 cluster running in Prod and we plan to bring up a new stack with 7.7.1 and TLS enabled along with Open ID Connect. What option do we have to get data from both the cluster in single Ki… --- ## [Watcher action to call REST API](https://discuss.elastic.co/t/watcher-action-to-call-rest-api/238472)
**Author:** [@chitraj8](https://discuss.elastic.co/u/chitraj8)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 1:04pm UTC](https://discuss.elastic.co/t/watcher-action-to-call-rest-api/238472 "2020-06-24T13:04:47Z")
We would like to use the watcher feature that is part of commercial plugin in x-pack. After exploring the details from docs, we would like to get help on how to call an action that is REST API in the watcher configurati… --- ## [Fetch distinct values in a nested type field in elasticsearch? Can anyone provide one example?](https://discuss.elastic.co/t/fetch-distinct-values-in-a-nested-type-field-in-elasticsearch-can-anyone-provide-one-example/238426)
**Author:** [@divya005](https://discuss.elastic.co/u/divya005)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 9:48am UTC](https://discuss.elastic.co/t/fetch-distinct-values-in-a-nested-type-field-in-elasticsearch-can-anyone-provide-one-example/238426 "2020-06-24T09:48:50Z")
{ "aggs" : { "groupBatches" : { "nested": { "path": "admin" }, "aggs" : { "batches" : { "terms" : {"field" : "admin.ids.batchId"} } } } } } This is i got from 1 link but my requirement is same can anybody h… --- ## [How to give more priority to certain words in a phrase](https://discuss.elastic.co/t/how-to-give-more-priority-to-certain-words-in-a-phrase/238497)
**Author:** [@Dilip\_Khemani](https://discuss.elastic.co/u/Dilip_Khemani)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 1:52pm UTC](https://discuss.elastic.co/t/how-to-give-more-priority-to-certain-words-in-a-phrase/238497 "2020-06-24T13:52:39Z")
I have an index named product in Elastic Search 7.4 Product has a field named title. If I want to search all titles for blue watch I want to see all results which are blue watch or watch. I do not want to see results l… --- ## [How does elasticsearch limit the results of a query on multiple index search?](https://discuss.elastic.co/t/how-does-elasticsearch-limit-the-results-of-a-query-on-multiple-index-search/238543)
**Author:** [@Amine\_Maalfi](https://discuss.elastic.co/u/Amine_Maalfi)\ **Replies:** 1\ **Last updated:** [June 24, 2020, 10:06pm UTC](https://discuss.elastic.co/t/how-does-elasticsearch-limit-the-results-of-a-query-on-multiple-index-search/238543 "2020-06-24T22:06:43Z")
Say i queried data that is contained in 5 indexes, and the results are limited to 100 will elasticsearch search all the indexes and get 20 results from each or get 100 results from the first index it encounters? --- ## [Should I make any chown to elasticsearch](https://discuss.elastic.co/t/should-i-make-any-chown-to-elasticsearch/238547)
**Author:** [@azteker](https://discuss.elastic.co/u/azteker)\ **Replies:** 1\ **Last updated:** [June 24, 2020, 9:59pm UTC](https://discuss.elastic.co/t/should-i-make-any-chown-to-elasticsearch/238547 "2020-06-24T21:59:35Z")
Now the /etc/elasticsearch is root.root, and /var/data/elasticsearch and /var/log/elasticsearch are elasticsearch.elasticsearch. Is this correct? --- ## [Ruby API: difference between indices.template.\* and indices.index\_template](https://discuss.elastic.co/t/ruby-api-difference-between-indices-template-and-indices-index-template/238558)
**Author:** [@Russell\_Fulton](https://discuss.elastic.co/u/Russell_Fulton)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 8:20pm UTC](https://discuss.elastic.co/t/ruby-api-difference-between-indices-template-and-indices-index-template/238558 "2020-06-24T20:20:09Z")
I have been writing some code to manage indexing templates and became very confused over whether I should be using , say, indices.exists\_index\_template.rb or indices.exists\_template.rb. After a lot of trial and error I … --- ## [J2KImageReader not loaded](https://discuss.elastic.co/t/j2kimagereader-not-loaded/238334)
**Author:** [@SKellyRJC](https://discuss.elastic.co/u/SKellyRJC)\ **Replies:** 9\ **Last updated:** [June 24, 2020, 8:14pm UTC](https://discuss.elastic.co/t/j2kimagereader-not-loaded/238334 "2020-06-24T20:14:16Z")
Hi, I have placed the jai-imageio-core-1.3.0.jar and the jai-imageio-jpeg2000-1.3.0.jar into the LIB directory for FSCrawler, however it does not get rid of the warning saying J2KImageReader not loaded? Why would this … --- ## [Where can I find Elasticsearch,Logstash,Kibana images for 6.6.1 version for Rancher v1.6](https://discuss.elastic.co/t/where-can-i-find-elasticsearch-logstash-kibana-images-for-6-6-1-version-for-rancher-v1-6/238538)
**Author:** [@chinmoy\_padhi](https://discuss.elastic.co/u/chinmoy_padhi)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 5:24pm UTC](https://discuss.elastic.co/t/where-can-i-find-elasticsearch-logstash-kibana-images-for-6-6-1-version-for-rancher-v1-6/238538 "2020-06-24T17:24:16Z")
Hi, Where can I get the Elasticsearch,Kibana,Logstash images for 6.6.1 version for Rancher 1.6 supported version Thanks --- ## [ES/Spark RDD Partitioning Strangeness](https://discuss.elastic.co/t/es-spark-rdd-partitioning-strangeness/238312)
**Author:** [@ikiril01](https://discuss.elastic.co/u/ikiril01)\ **Replies:** 3\ **Last updated:** [June 24, 2020, 4:33pm UTC](https://discuss.elastic.co/t/es-spark-rdd-partitioning-strangeness/238312 "2020-06-24T16:33:13Z")
We're using the es-hadoop connector to dump data from an ES index to spark (w/ pyspark, newAPIHadoopRDD). The issue we're seeing is that the RDD that is returned is skewed in terms of partitions - it always returns 9 par… --- ## [How speed index](https://discuss.elastic.co/t/how-speed-index/238484)
**Author:** [@livetech](https://discuss.elastic.co/u/livetech)\ **Replies:** 3\ **Last updated:** [June 24, 2020, 3:40pm UTC](https://discuss.elastic.co/t/how-speed-index/238484 "2020-06-24T15:40:46Z")
My server have 48gb ram and 500GB free space, digital ocean server very strong cpu how to configure yaml to speed index, please someone give me an example. --- ## [Collect the nested fields](https://discuss.elastic.co/t/collect-the-nested-fields/238528)
**Author:** [@aviman](https://discuss.elastic.co/u/aviman)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 3:54pm UTC](https://discuss.elastic.co/t/collect-the-nested-fields/238528 "2020-06-24T15:54:38Z")
Hi, How can I collect the nested fields names only: "variable" : { "XX" : { "value" : "1" }, "YY" : { "value" : "2" } How can i extract the nested filed names "XX" & "YY" using painless script --- ## [On average, what should we expect in query performance for nodes and core variations?](https://discuss.elastic.co/t/on-average-what-should-we-expect-in-query-performance-for-nodes-and-core-variations/237512)
**Author:** [@spdoes](https://discuss.elastic.co/u/spdoes)\ **Replies:** 4\ **Last updated:** [June 24, 2020, 3:21pm UTC](https://discuss.elastic.co/t/on-average-what-should-we-expect-in-query-performance-for-nodes-and-core-variations/237512 "2020-06-24T15:21:13Z")
Doubling the number of cores in rough average means reducing in half the query time ? (from 6 to 12 in my case) Doubling the number of nodes in rough average means reducing in half the query time ? (from 1 to 2 and … --- ## [How to use ES API to implement prometheus increase function](https://discuss.elastic.co/t/how-to-use-es-api-to-implement-prometheus-increase-function/238507)
**Author:** [@Roy\_Zhang](https://discuss.elastic.co/u/Roy_Zhang)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 2:51pm UTC](https://discuss.elastic.co/t/how-to-use-es-api-to-implement-prometheus-increase-function/238507 "2020-06-24T14:51:49Z")
Dear Elastic search experts, I am using metricBeat to streaming data from prometheus to ES. I have a requirement to implement prometheus increase function. The definition of increase function in prometheus: The follow… --- ## [Relevancy - how this is calculated](https://discuss.elastic.co/t/relevancy-how-this-is-calculated/238504)
**Author:** [@nages](https://discuss.elastic.co/u/nages)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 2:42pm UTC](https://discuss.elastic.co/t/relevancy-how-this-is-calculated/238504 "2020-06-24T14:42:06Z")
I had the following documents indexed PUT ecommercesite/product/2 { "product\_name": "Men Water Resistant Jacket", "description": "Provides comfort during biking and hiking", } when I tried to get the scoring fo… --- ## [Clustering two nodes with different data](https://discuss.elastic.co/t/clustering-two-nodes-with-different-data/238474)
**Author:** [@Alvaro\_Sanz](https://discuss.elastic.co/u/Alvaro_Sanz)\ **Replies:** 2\ **Last updated:** [June 24, 2020, 1:56pm UTC](https://discuss.elastic.co/t/clustering-two-nodes-with-different-data/238474 "2020-06-24T13:56:00Z")
Hello, I am trying to form a cluster of two elasticsearch nodes. The both nodes have been in production environment for a while, and they both have different data. Is it possible to make a cluster of both nodes? In case… --- ## [Unassigned replica shards with reason as INDEX\_CREATED](https://discuss.elastic.co/t/unassigned-replica-shards-with-reason-as-index-created/237845)
**Author:** [@Aliasgar\_Choolawala](https://discuss.elastic.co/u/Aliasgar_Choolawala)\ **Replies:** 4\ **Last updated:** [June 24, 2020, 1:48pm UTC](https://discuss.elastic.co/t/unassigned-replica-shards-with-reason-as-index-created/237845 "2020-06-24T13:48:28Z")
can anyone please help me ? i have a 7 data node elasticsearch cluster(5 master nodes) for an index, i have the following settings for routing: "routing" : { "allocation" : { "require" : { … --- ## [How can we make field optional in elasticsearch?](https://discuss.elastic.co/t/how-can-we-make-field-optional-in-elasticsearch/238419)
**Author:** [@Abdul\_Gaffar\_Shaikh](https://discuss.elastic.co/u/Abdul_Gaffar_Shaikh)\ **Replies:** 3\ **Last updated:** [June 24, 2020, 1:41pm UTC](https://discuss.elastic.co/t/how-can-we-make-field-optional-in-elasticsearch/238419 "2020-06-24T13:41:16Z")
i am trying to ingested csv file into elasticsearch via logstash and i have a dedicated schema for it. my data gets ingested for date fields where format is not specified and with format specified , it throws that into … --- ## [Freezed indices don't load](https://discuss.elastic.co/t/freezed-indices-dont-load/236353)
**Author:** [@YvorL](https://discuss.elastic.co/u/YvorL)\ **Replies:** 6\ **Last updated:** [June 24, 2020, 1:40pm UTC](https://discuss.elastic.co/t/freezed-indices-dont-load/236353 "2020-06-24T13:40:23Z")
Hi, I started freezing older daily indices that are used less frequently, but now those aren't loading at all. Shouldn't those be available for reading (e.g., Kibana)? Thanks! --- ## [NoClassDefFoundError: org/elasticsearch/cluster/metadata/MetaData$Custom](https://discuss.elastic.co/t/noclassdeffounderror-org-elasticsearch-cluster-metadata-metadata-custom/238490)
**Author:** [@dinit](https://discuss.elastic.co/u/dinit)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 1:39pm UTC](https://discuss.elastic.co/t/noclassdeffounderror-org-elasticsearch-cluster-metadata-metadata-custom/238490 "2020-06-24T13:39:02Z")
Hey, I was updating my ElasticSearch from 7.6.1 to 7.8 and now my elastic process isn't startig any more. The Stacktrace is: \[2020-06-24T15:31:01,925\]\[INFO \]\[o.e.n.Node \] \[ALL\] JVM arguments \[-Xms6g,… --- ## [Leader\_check - time out?](https://discuss.elastic.co/t/leader-check-time-out/238459)
**Author:** [@PeterG](https://discuss.elastic.co/u/PeterG)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 12:32pm UTC](https://discuss.elastic.co/t/leader-check-time-out/238459 "2020-06-24T12:32:12Z")
Hi, We have a 3 node search cluster running on 3 vms. We run version 7.4.2 We run all the 3 nodes with the same config: discovery.seed\_hosts: \["grtzpse1-7.bla", "grtzpse2-7.bla", "grtzpse3-7.bla"\] cluster.initial\_mas… --- ## [Elastic joda to java time update - Illegal pattern component: uuuu](https://discuss.elastic.co/t/elastic-joda-to-java-time-update-illegal-pattern-component-uuuu/237830)
**Author:** [@krrz](https://discuss.elastic.co/u/krrz)\ **Replies:** 5\ **Last updated:** [June 24, 2020, 12:36pm UTC](https://discuss.elastic.co/t/elastic-joda-to-java-time-update-illegal-pattern-component-uuuu/237830 "2020-06-24T12:36:02Z")
I'm trying update joda time to java time in pipeline. And after copy sample from java-time-migration-update-ingest-pipelines I get "Illegal pattern component: uuuu" error. Some examples working, but changed index\_na… --- ## [How can I write multiple search with grater that less than query?](https://discuss.elastic.co/t/how-can-i-write-multiple-search-with-grater-that-less-than-query/238429)
**Author:** [@Yusuf\_Karatoprak](https://discuss.elastic.co/u/Yusuf_Karatoprak)\ **Replies:** 1\ **Last updated:** [June 24, 2020, 12:01pm UTC](https://discuss.elastic.co/t/how-can-i-write-multiple-search-with-grater-that-less-than-query/238429 "2020-06-24T12:01:05Z")
How can I use grater than and less than with should match query in elasticsearch ? { "query": { "range" : { "rate" : { "gte" : 0.6, "lte" : 1, … --- ## [ElasticSearch ODBC Driver support for CRUD](https://discuss.elastic.co/t/elasticsearch-odbc-driver-support-for-crud/236398)
**Author:** [@onkark](https://discuss.elastic.co/u/onkark)\ **Replies:** 2\ **Last updated:** [June 24, 2020, 12:00pm UTC](https://discuss.elastic.co/t/elasticsearch-odbc-driver-support-for-crud/236398 "2020-06-24T12:00:30Z")
Hi Team, I'm using ElasticSearch ODBC Driver in order to connect my CPP code with ElasticSearch to perform CRUD operations. I can retrieve records from elasticsearch very well. I just want to know why I'm unable update… --- ## [Optimizing setup which contains a single cold-node](https://discuss.elastic.co/t/optimizing-setup-which-contains-a-single-cold-node/238006)
**Author:** [@victor.nilsson](https://discuss.elastic.co/u/victor.nilsson)\ **Replies:** 3\ **Last updated:** [June 24, 2020, 11:31am UTC](https://discuss.elastic.co/t/optimizing-setup-which-contains-a-single-cold-node/238006 "2020-06-24T11:31:42Z")
Hey there, We currently have the following setup: Two hot-nodes ingesting live data. After x amount of days ILM will rollover the indices and then move the indices to a cold-node where we close the indices after 7 days… --- ## [DELETE api vs \_delete\_by\_query against index alias](https://discuss.elastic.co/t/delete-api-vs-delete-by-query-against-index-alias/238439)
**Author:** [@raulk89](https://discuss.elastic.co/u/raulk89)\ **Replies:** 1\ **Last updated:** [June 24, 2020, 11:07am UTC](https://discuss.elastic.co/t/delete-api-vs-delete-by-query-against-index-alias/238439 "2020-06-24T11:07:46Z")
Hi Elastic 6.8.4 When I have 2 indices, A and B. I have created alias X for these. For index B is\_write\_index: true Both of these indexes has doc with \_id: 5 When I do DELETE /X/\_doc/5 Then the doc is deleted only … --- ## [Confuse about 'index.translog.durability'](https://discuss.elastic.co/t/confuse-about-index-translog-durability/237494)
**Author:** [@KellyK313](https://discuss.elastic.co/u/KellyK313)\ **Replies:** 6\ **Last updated:** [June 24, 2020, 10:55am UTC](https://discuss.elastic.co/t/confuse-about-index-translog-durability/237494 "2020-06-24T10:55:52Z")
Hey guys,I'm learning the index.translog.durability parameter and got confused. In my opinion,when I change this parameter to async ,it means ElasticSearch use Buffer I/O,data is cached in pagecache and index.translog.s… --- ## [Max\_bucket and Kibana queries](https://discuss.elastic.co/t/max-bucket-and-kibana-queries/238407)
**Author:** [@Voula\_Mikr](https://discuss.elastic.co/u/Voula_Mikr)\ **Replies:** 0\ **Last updated:** [June 24, 2020, 8:52am UTC](https://discuss.elastic.co/t/max-bucket-and-kibana-queries/238407 "2020-06-24T08:52:10Z")
Hi, I have about 30 indices in ElasticSearch with about 10.000.000 documents and they are under one index pattern of Kibana. One index of them ( data\_A ) , which has about 10.000 distinct values in the field "c\_displa… --- ## [What would make cpu usage differs too excessively between nodes?](https://discuss.elastic.co/t/what-would-make-cpu-usage-differs-too-excessively-between-nodes/238405)
**Author:** [@Morriaty](https://discuss.elastic.co/u/Morriaty)\ **Replies:** 3\ **Last updated:** [June 24, 2020, 10:12am UTC](https://discuss.elastic.co/t/what-would-make-cpu-usage-differs-too-excessively-between-nodes/238405 "2020-06-24T10:12:36Z")
We have a cluster of three nodes with same hardwares. We have made some http benchmark test on: one index of 4 million docs, 5 shards, 1 replica use golang client gopkg.in/olivere/elastic.v6 connect to all three nodes.… [Previous page](https://discuss.elastic.co/c/elastic-stack/elasticsearch/6.md?page=880) [Next page](https://discuss.elastic.co/c/elastic-stack/elasticsearch/6.md?page=882)