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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/04/12 03:53:41 UTC
[GitHub] [incubator-druid] love1693294577 commented on issue #7403: how to use MaterializedView ,I didn't find the relevant submit task command.
love1693294577 commented on issue #7403: how to use MaterializedView ,I didn't find the relevant submit task command.
URL: https://github.com/apache/incubator-druid/issues/7403#issuecomment-482427744
> Hi,
>
> You have to run something like this:
>
> ```
> curl -X 'POST' -H 'Content-Type:application/json' -d @view.json "http://10.244.68.107:8090/druid/indexer/v1/supervisor"
> ```
> Have a nice day!
yes
[groupBy_[xxx_view2]_ad3ca90c-30b0-4be2-9169-739114c583b7]]
org.apache.druid.query.materializedview.DataSourceOptimizer - +++++++derivatives+++++++[]
this is my Configuration
'http://xx.xx.xx.xx:8082/druid/v2/?pretty='
{
"type":"derivativeDataSource",
"baseDataSource":"xx_view2",
"dataSource":"xx_view_11",
"dimensionsSpec":{
"dimensions":[
"xx",
"xx"
]
},
"metricsSpec" : [
{ "name": "xx",
"type": "doubleSum",
"fieldName":"xx"}
],
"tuningConfig": {
"type":"hadoop",
"jobProperties" : {
"mapreduce.job.user.classpath.first":"true",
"mapreduce.reduce.speculative" : "false",
"mapreduce.map.speculative": "false"
}
}
}
submit task
curl -XPOST -H'Content-Type: application/json' -d @xx.json http://xx.xx.xx.xx:8090/druid/indexer/v1/supervisor
query
'{"queryType":"view","query":{"queryType":"groupBy","dataSource":"xxx_view2","granularity":"all","descending":"true","limitSpec":{"type":"default","limit":1},"context":{"priority":1,"timeout":10000000,"queryId":"c7156e24-ad74-4a4b-ae24-2df660cd8287","groupByStrategy":"v2"},"dimensions":["xx"],"aggregations":[{"type":"longSum","name":"xx","fieldName":"xx"}],"intervals":["2017-04-26T00:00:00.000+08:00/2017-04-28T00:00:00.000+08:00"]}
I can't get an optimized materialized view
This is my log
2019-04-11T11:54:21,057 INFO [qtp1556201248-110[topN_[xx_view2]_c7156e24-ad74-4a4b-ae24-2df660cd8287]] org.apache.druid.query.materializedview.DataSourceOptimizer - +++++++derivatives+++++++[]
I am wondering why the derivatives are null, as normal, will get derivatives
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