it is Column oriented and open source distributed data store .it is awesome in ingesting massive amount of even driven data and provide low latency queries on the data Review collected by and hosted on G2.com.

limitations with auto scaling(scale up & scale down of the druid servers on the basis of demand ). Review collected by and hosted on G2.com.

Druid is very fast to query results and libraries like pydruid help increase the usability Review collected by and hosted on G2.com.

The errors are not very intuitive for instance if more than one dimensions have high cardinality and the query times out, error do not hint the same! Review collected by and hosted on G2.com.

Horizontal scalable

Support of Druid Kafka indexer task to ingest data directly from Kafka

Support for schema less datasource Review collected by and hosted on G2.com.

Once metadata is corrupted then it's very difficult to recover. Review collected by and hosted on G2.com.

I have hoped on using Druid very early in the day, using it from early 2018 , the potential it unlocks with all the easy to use and inbuilt capabilities of looking at different analytics perspectives is amazing. All the options of flexible filters, approximate algorithms, exact calculations etc makes our life lot simpler. Review collected by and hosted on G2.com.

Due to the initial days, we had our challenges in working with Druid ,but is fast evolving and enabling so much more new functionally Review collected by and hosted on G2.com.

Easy to learn and can ingest & query huge amount of data with fast speed Review collected by and hosted on G2.com.

limitation while using multiple joins in complex queries Review collected by and hosted on G2.com.

easy integration with existing framework , good fit for realtime analytics which need to be performant Review collected by and hosted on G2.com.

The major drawback of this solution is that with commodity deep storage (Amazon S3) and network, it would make the majority of queries in our use case run for 10 of seconds, instead of current 0 — 3 seconds. I think decoupling of storage and compute is the future including time series databases. Review collected by and hosted on G2.com.

Blazing fast query response times, rich integration options Review collected by and hosted on G2.com.

Lack of clear documentation on certain functionality Review collected by and hosted on G2.com.

Flexible, diverse, fast and offers solutions to a range of problems while developing real-time applications. Review collected by and hosted on G2.com.

Requires a quite bulky cluster to even do a basic setup. Review collected by and hosted on G2.com.

- easy integration with other 3rd party opensource and proprietary software

- easy to setup and maintain

- good community Review collected by and hosted on G2.com.

- sometimes data needs to be reindexed if its too large.

- provides approx numbers, and sometimes exact counts are required. However, this is by design. Review collected by and hosted on G2.com.

Easy to maintain and access through restapi and export the data to sql server. Review collected by and hosted on G2.com.

Open source and easy to use., so no comments Review collected by and hosted on G2.com.