微服务无法到达Elasticsearch图像 [英] Microservice can not reach Elasticsearch Image

问题描述

我有一个带有Jhipster版本5v的微服务，以及在无所事事的centos 7v中运行的ElasticSearch映像2.4.1.这两个映像正在运行，但是保存和搜索操作无法到达Elasticsearch映像.

I have one Microservice with Jhipster version 5v and a image 2.4.1 of the ElasticSearch running in vagrant centos 7v. The two image are running but the operations of save and search can not reach the Elasticsearch image.

docker-compose:

docker-compose:

service-app:
    image: "..."
    depends_on:
      - service-mysql
      - service-elasticsearch
      - kafka
      - zookeeper
      - jhipster-registry
    environment:
      - SPRING_PROFILES_ACTIVE=dev,swagger
      - SPRING_CLOUD_CONFIG_URI=http://admin:admin@jhipster-registry:8761/config
      - SPRING_DATASOURCE_URL=jdbc:mysql://service-mysql:3306/service?useUnicode=true&characterEncoding=utf8&useSSL=false
      - SPRING_DATA_CASSANDRA_CONTACTPOINTS=cassandra
      - JHIPSTER_SLEEP=30
      - JHIPSTER_LOGGING_LOGSTASH_HOST=jhipster-logstash
      - JHIPSTER_LOGGING_LOGSTASH_PORT=5000
      - SPRING_DATA_ELASTICSEARCH_CLUSTER-NAME=SERVICE
      - SPRING_DATA_ELASTICSEARCH_CLUSTER_NODES=service-elasticsearch:9300
      - SPRING_CLOUD_STREAM_KAFKA_BINDER_BROKERS=kafka
      - SPRING_CLOUD_STREAM_KAFKA_BINDER_ZK_NODES=zookeeper
      - EUREKA_CLIENT_SERVICEURL_DEFAULTZONE=http://admin:admin@jhipster-registry:8761/eureka
    ports:
      - 60088:8088
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  service-elasticsearch:
    image: ...
    volumes:
      - service-elasticsearch:/usr/share/elasticsearch/data/
    environment:
      - network.host=0.0.0.0
      - cluster.name=service
      - discovery.type=single-node
      - CLUSTER_NAME=SERVICE
    logging:
      driver: "json-file"
      options:
        max-size: "100m" 
        max-file: "10"

application_dev.yml:

application_dev.yml:

    data:
        elasticsearch:
            properties:
                path:
                    home: target/elasticsearch

application_prod:

application_prod:

    data:
        jest:
            uri: http://localhost:9200

域:

推荐答案

问题是群集中的ES节点之一正在低磁盘空间上运行，因此您得到

The issue is that one of your ES node in your cluster is running on low disk space, hence you are getting this exception.

请确保您清理了要在其上获得异常的ES节点上的磁盘空间.我已经遇到过2-3次此问题，并且它不取决于Elasticsearch索引大小，因此即使您在大磁盘上可能有一个很小的索引(假设为2 TB)，但是如果您不这样做，如果可用磁盘空间超过10％(将近200 GB，这是巨大的)，您仍然会遇到此异常，因此需要清理磁盘空间.

Please make sure that you as clean up the disk space on the ES nodes on which you are getting the exception. I have faced this issue 2-3 times and it does not depend on the Elasticsearch index size, hence even you might have a very small index on large disk(let's suppose 2 TB) but if you don't have a free disk space more than 10% (which is almost 200 GB, which is huge) still you will get this exception and you need to clean up your disk space.

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