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Questions tagged [elassandra]

Elassandra = Elasticsearch as a Cassandra secondary index. Elassandra tightly integrates elasticsearch within cassandra as a secondary index, allowing near-realtime search with all existing elasticsearch APIs. Use this tag for questions referring to the Elassandra.

Elassandra Homepage

Elassandra Documentation

Elassandra Github

78 questions
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Cassandra: NoSpamLogger log Maximum memory usage reached

Every 15 min I see this log entry: 2018-07-30 10:29:57,529 INFO [pool-1-thread-2] NoSpamLogger.java:91 log Maximum memory usage reached (512.000MiB), cannot allocate chunk of 1.000MiB I´ve been reading through this Question, but I cant see…
Alex Tbk
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Count of Elastic Search index varying when querying through Presto

We are using Elassandra (Elastic Search and Cassandra) and querying on Elastic search index using presto. When we get count of index using _count API then it comes correct each time, but when we query on index to find out count using presto then it…
Mananpreet Singh
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Elasticsearch query from JSON formatted string?

I am working with Elasticsearch and I need to query value from the document which stored as JSON formatted string. Is there any option to query form Elasticsearch which stored JSON formatted string? Please see my use case I am saving my application…
Jamsheer
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return only _source data from elasticsearch query

I want to get only _source fields by the query.but it returns hits which are unnecessary for me.so how to remove this hits before the _source data. GET fms/user/_search?filter_path=hits.hits._source{"query": {"match_all": {}}}
Sachin
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Inconsistent Elassandra cluster state after node restart - less data on one node

I have migrated my existing data in 4 nodes Cassandra (with RF=3) to Elassandra and after putting my mappings whole data got indexed into Elassandra. After the completion of indexing, all nodes show a consistent result in /_cat/indices?v API. But as…
Pankaj Yadav
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Indexing Cassandra using Elassandra

I'm trying to use Elassandra as a standalone instance locally. Using bin/cqlsh I've created a keyspace and have added a test table to it. I want to create an index on this table to run elasticsearch queries, but I'm not sure how to go about it. I…
Snowy Coder Girl
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Cassandra nodes becomes unreachable to each other

I have 3 nodes of elassandra running in docker containers. Containers created like: Host 10.0.0.1 : docker run --name elassandra-node-1 --net=host -e CASSANDRA_SEEDS="10.0.0.1" -e CASSANDRA_CLUSTER_NAME="BD Storage" -e CASSANDRA_DC="DC1" -e…
Ventsi Popov
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Elassandra not indexing UDT

This error occurs with elassandra 5.5.018 and 6.2.3.2. I have this table structure: CREATE TYPE applicationinfo ( industry text, area_of_application text, product_group text, sic_code text, conveyed_product text, flowability…
Alex Tbk
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Connect Cassandra NoSQL DB and get the response as JSON response

One of our project, we have to get the data from Cassandra tables and populate it in JSON format in response. What are the possible ways to do it for the same? Some time, we require to get the data from more than one Cassandra table. What are…
Karthikeyan Rasipalay Durairaj
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Elastic search - Retrieve data from multiple types

I am working with elasticsearch and I have two types which hold my data. Now I need to retrieve data from both types by using a single query. Please see my use case I have two types called basic and marks and I saved document as…
Jamsheer
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Integrate existing cassandra data to elassandra

Is there any way to intigrate existing cassandra cluster link with the elassandra running instance.We have lot's of data in the existing cassandra cluster and when we intigrate my application with elassandra its work well but my existing data is not…
Gourav Chabbra
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Elasticsearch creates empty directories in /tmp, can I delete these empty directories

Elasticsearch creates directories inside /tmp. These directories used to execute native code by jna and libffi. Most of the time these directories are empty and have the name like elasticsearch.KNoHBn19. More info here. When running Elasticsearch…
eranga
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Where is conf/elasticsearch.yml file in Elassandra Docker image?

I am trying to using elassandra (which is elasticsearch + cassandra) in Docker image, so I am beginner with it. In such case, my question can be beginner level, sorry for that :) I have started that docker image and I'm able to inserting data and…
Tarkan Batar
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Elassandra replication information and rack configuration

I recently started working with an Elassandra cluster with two data centers which have been configured using NetworkTopologyStrategy. Cluster details : Elassandra 6.2.3.15 = Elasticsearch 6.2.3 + Cassandra 3.11.4 Datacenter:…
dimuthu
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Elassandra: UDT List Match Query- No Results

I am using Elassandra. In Cassandra, I have a UDT: CREATE TYPE test.entity_attributes ( attribute_key text, attribute_value text ); It is used in table CREATE TABLE test.attributes_test ( id text PRIMARY KEY, attr…
Abhyuday Singh
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