| --- |
| title: Version Overview |
| sidebar_position: 0.1 |
| --- |
| |
| - [ElasticSearch engine usage instructions](/engine-usage/elasticsearch.md) |
| - [Presto Engine Instructions](/engine-usage/presto.md) |
| - [Integrate Knife4j and enable](/deployment/involve-knife4j-into-linkis.md) |
| - [Data source function module interface optimization](/api/http/linkis-ps-publicservice-api/metadataquery-api.md) |
| - [JDBC engine supports data source schema](/engine-usage/jdbc.md) |
| - [EC History List Architecture Design](/architecture/computation-governance-services/linkis-manager/ec-history-arc.md) |
| - [Service Isolation Design](/architecture/microservice-governance-services/service_isolation.md) |
| - [version of Release-Notes](/download/release-notes-1.2.0) |
| |
| |
| ## Configuration Item |
| |
| | Module Name (Service Name) | Type | Parameter Name | Default Value | Description | |
| | ----------- | ----- | -------------------------------------------------------- | ---------------- | ------------------------------------------------------- | |
| |eureka(application-eureka.yml) | New | management.endpoints.web.exposure.include|refresh,info,health,metrics | The endpoint exposure range for Spring Boot Actuator| |
| |eureka(application-eureka.yml) | New |eureka.instance.metadata-map:.prometheus.path| ${prometheus.path:/actuator/prometheus} | Prometheus monitoring endpoint for microservices registered in Eureka metadata| |
| |common(application-linkis.yml) | New | eureka.instance.metadata-map:.prometheus.path|${prometheus.path:${prometheus.endpoint}} | ditto| |
| |common | New |wds.linkis.prometheus.enable | false| | |
| |common | Modify | wds.linkis.server.user.restful.uri.pass.auth | /api/rest_j/v1/actuator/prometheus| | |
| |common | Modify | spring.spring.cloud.config.enabled | false | | |
| |ec-es | New | linkis.es.cluster | 127.0.0.1:9200 | ElasticSearch cluster，Separate multiple nodes using commas | |
| |ec-es | New | linkis.es.username | None | ElasticSearch cluster username | |
| |ec-es | New | linkis.es.password | None | ElasticSearch cluster password | |
| |ec-es | New | linkis.es.auth.cache | false | Whether the client is cache authenticated | |
| |ec-es | New | linkis.es.sniffer.enable | false | Whether Sniffer is enabled on the client | |
| |ec-es | New | linkis.es.http.method | GET | request method | |
| |ec-es | New | linkis.es.http.endpoint | /_search | the Endpoint in JSON Script | |
| |ec-es | New | linkis.es.sql.endpoint | /_sql | the Endpoint in SQL | |
| |ec-es | New | linkis.es.sql.format | {"query":"%s"} | the template of SQL script call , %s replaced with SQL as the body of the request request ElasticSearch cluster | |
| |ec-es | New | linkis.es.headers.* | None | Client Headers configuration | |
| |ec-es | New | linkis.engineconn.concurrent.limit | 100 | Maximum engine concurrency of ElasticSearch cluster | |
| |ec-presto | New | wds.linkis.presto.url | http://127.0.0.1:8080 | Presto cluster connection | |
| |ec-presto | New | wds.linkis.presto.username | default | Presto cluster username | |
| |ec-presto | New | wds.linkis.presto.password | None | Presto cluster password | |
| |ec-presto | New | wds.linkis.presto.catalog | system |Catalog for queries | |
| |ec-presto | New | wds.linkis.presto.schema | None |Query Schema | |
| |ec-presto | New | wds.linkis.presto.source | global | source used by the query | |
| |ec-presto | New | presto.session.query_max_total_memory | 8GB | query uses maximum memory | |
| |ec-presto | New | wds.linkis.presto.http.connectTimeout | 60 | Presto client connect timeout (unit: seconds) | |
| |ec-presto | New | wds.linkis.presto.http.readTimeout | 60 | Presto client read timeout (unit: seconds) | |
| |ec-presto | New | wds.linkis.engineconn.concurrent.limit | 100 | The maximum number of concurrent Presto engines | |
| |ec-jdbc | Modify | wds.linkis.jdbc.connect.url | jdbc:mysql://127.0.0.1:3306/test | jdbc conn url | |
| |ec-jdbc | Modify | wds.linkis.jdbc.driver | com.mysql.jdbc.Driver | jdbc conn driver | |
| |ec-jdbc | Modify | wds.linkis.jdbc.username | None | jdbc conn username | |
| |ec-jdbc | Modify | wds.linkis.jdbc.password | None | jdbc conn password | |
| |
| ## DB Table Changes |
| For details, see the upgrade schema`db/upgrade/1.2.0_schema` file in the corresponding branch of the code repository (https://github.com/apache/incubator-linkis). |
