Category "druid"

Apache Druid - docker build for arm architecture

I'm trying to run Apache Druid on M1 Mac with an ARM 64 processor as docker containers. This works fine as it runs via emulation. But I've encountered two issue

Druid generate missing records

I have a data table in druid and which has missing rows and I want to fill them by generating the missing timestamps and adding the precedent row value. This is

Druid setup ERROR: service serving this console is not responding

I am trying to setup druid in cluster mode. The setup is completer and there is no error in the server logs. Even the druid console is launching successfully, b

So slow Apache Druid Query

Currently i'm working with an Apache Druid Warehouse that stores near of 300 Millions of rows and have a size of 44GB. We are developing a Flask API that uses G

Create new Druid Datasource in Apache Superset

I'm creating a Druid Datasource in Apache Superset. I see 'Is Hidden' checkbox, but when I check or uncheck it, I don't see any difference. Can anyone explain

Empty response from druid when using quantile data sketch aggregator

I am trying to compute the the 95th percentile value of a metric in druid. I came across this documentation https://druid.apache.org/docs/latest/development/ext

How to parse json data in a column with Druid SQL?

I'm trying to parse json data in a column with Druid SQL in Superset SQL lab. My table looks like this: id json_scores 0 {"foo": 20, "bar": 10} 1 {"foo": 30, "

How to write Spark SQL batch job results to the Apache Druid?

I want to write Spark batch results data to the Apache Druid. I know Druid has native batch ingestions such as index_parallel. Druid runs Map-Reduce jobs in the

Need to load data from Hadoop to Druid after applying transformations. If I use Spark, can we load data from Spark RDD or dataframe to Druid directly?

I have data present in hive tables. I want to apply bunch of transformations before loading that data into druid. So there are ways but I'm not sure about those