Login
Remember
Register
Ask a Question
Recent questions and answers in Apache Druid
+1
vote
1
answer
Zookeeper is used for _____.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
zookeper
+1
vote
1
answer
Select the processes which store queryable data.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
querytable-data
0
votes
1
answer
Each segment starts off being created on a MiddleManager, and at that point the segment is _____.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
middlemanager
+1
vote
1
answer
________ is the mechanism by which the segments are published and are served by historical process.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
segment-publish
+1
vote
1
answer
Periodically, segments are committed and published. At this point, they are written to deep storage, become immutable.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
segments
publish-commit
+1
vote
1
answer
TopN queries can use HAVING conditions over aggregated data.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
topn-queries
+1
vote
1
answer
Which of the following queries are grouped by single dimension, and are sorted according to the metric?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
sorted-metric
+1
vote
1
answer
Druid data is stored in "datasources", similar to _____.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
druid-datasource
+1
vote
1
answer
Which of the following is an example of a SELECTOR filter?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
selector-filter
+1
vote
1
answer
For ease of deployment, Druid suggests organizing processes into ________ server types.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
druid-process
+1
vote
1
answer
For grouping and sorting over a single dimension, _______ queries are much more optimized than _________.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
druid-grouping
druid-sorting
0
votes
1
answer
Segment IDs in Apache Druid are comprised of________.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
druid-segment-id
+1
vote
1
answer
Among the following options, which aggregation query is the most flexible but has the poorest performance?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
aggregation-query
+1
vote
1
answer
In Apache Druid, Scan queries do not support pagination.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
pagination-support
+1
vote
1
answer
In case of a Druid server failure, data can be recovered from _____.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
data-recovery
+1
vote
1
answer
Which option controls the number of rows returned in each block of paginated results?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
paginated-results
+1
vote
1
answer
Which of the following query is not included in Aggregation query?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
aggregation-query
+1
vote
1
answer
Which of the following concept in Druid optionally replaces dimensional values with new values, enabling combined functionality?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
dimensional-values
+1
vote
1
answer
Which of the following Granularity types are supported in Apache Druid?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
granularity-types
+1
vote
1
answer
Which of the following is used to interpret input data in Druid?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
druid-input-data
+1
vote
1
answer
_____ is responsible for allocating segments to specific servers, and ensuring that segments are well balanced across Historicals.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
segment-allocation
+1
vote
1
answer
The ____________ receives requests from outside customers, and transmits these requests to data servers.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
request-formats
+1
vote
1
answer
Apache Druid uses _____ compressed bitmap indexes to create indexes.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
compressed-bitmap
+1
vote
1
answer
Which of the following external dependencies is used to backup and transfer data from Druid processes in the background?
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
external-dependencies
+1
vote
1
answer
Denormalized data in Apache Druid is ingested in _________ formats.
answered
Dec 29, 2021
in
Apache Druid
by
sharadyadav1986
denormalized-data
+1
vote
1
answer
Which of the following is the core element of a Druid ingestion Spec?
answered
Dec 28, 2021
in
Apache Druid
by
sharadyadav1986
druid-ingestion
+1
vote
1
answer
Which of the following is a datasource type in Apache Druid?
answered
Dec 28, 2021
in
Apache Druid
by
sharadyadav1986
datasouce-type
+1
vote
1
answer
The _____ manages new data ingestion.
answered
Dec 28, 2021
in
Apache Druid
by
sharadyadav1986
new-data-ingestion
+1
vote
1
answer
Which of the following is the default GroupBy query strategy.
answered
Dec 28, 2021
in
Apache Druid
by
sharadyadav1986
groupby-query
+1
vote
1
answer
Predict the output.
answered
Dec 28, 2021
in
Apache Druid
by
sharadyadav1986
output-druid
To see more, click for all the
questions in this category
.
Recent questions and answers in Apache Druid
...
