version overview
- Base engine dependencies, compatibility, default version optimization
- Hive engine connector supports concurrent tasks
- Support more datasources
- Spark ETL enhancements
- Generate SQL from data source
- linkis-storage supports S3 file system (experimental version)
- [add postgresql database support (experimental version)](../deployment/deploy-quick#22-configuration database information)
- Add impala engine support (experimental version)
- Other feature description
- version of Release-Notes
Parameter changes
| module name (service name) | type | parameter name | default value | description |
|---|---|---|---|---|
| mg-eureka | New | eureka.instance.metadata-map.linkis.app.version | ${linkis.app.version} | Eureka metadata reports Linkis application version information |
| mg-eureka | Add | eureka.instance.metadata-map.linkis.conf.version | None | Eureka metadata report Linkis service version information |
| mg-eureka | Modify | eureka.client.registry-fetch-interval-seconds | 8 | Eureka Client pull service registration information interval (seconds) |
| mg-eureka | New | eureka.instance.lease-renewal-interval-in-seconds | 4 | The frequency (seconds) at which the eureka client sends heartbeats to the server |
| mg-eureka | new | eureka.instance.lease-expiration-duration-in-seconds | 12 | eureka waits for the next heartbeat timeout (seconds) |
| EC-shell | Modify | wds.linkis.engineconn.support.parallelism | true | Whether to enable parallel execution of shell tasks |
| EC-shell | Modify | linkis.engineconn.shell.concurrent.limit | 15 | Concurrent number of shell tasks |
| Entrance | Modify | linkis.entrance.auto.clean.dirty.data.enable | true | Whether to clean dirty data at startup |
Database table changes
For details, see the upgrade schema db/upgrade/1.4.0_schema file in the corresponding branch of the code warehouse (https://github.com/apache/linkis)