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CCOAK Certificate Practice questions for this set Terms in this set (21) What is the purpose of the file recovery- point-offset-checkpoint? This is the file that tracks which messages were successfully checkpointed to disk. (recovery-point-offset-checkpR143,90
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CCOAK Certificate Practice questions for this set Terms in this set (21) What is the purpose of the file recovery- point-offset-checkpoint? This is the file that tracks which messages were successfully checkpointed to disk. (recovery-point-offset-checkp
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Course
RA - Registered Architect
Institution
RA - Registered Architect
CCOAK Certificate
Practice questions for this set
Terms in this set (21)
What is the purpose of the file recovery- point-offset-checkpoint? This is the file that tracks which messages were successfully checkpointed to disk.
(recovery-point-offset-checkpoint is the internal broker log where ...
CCOAK Certificate
Jeremiah
Practice questions for this set
Terms in this set (21)
This is the file that tracks which messages were successfully checkpointed to disk.
What is the purpose of the file recovery-
(recovery-point-offset-checkpoint is the internal broker log where Kafka tracks which
point-offset-checkpoint?
messages (from-to offset) were successfully checkpointed to disk.)
batch.size controls how many bytes of data to collect before sending messages to the
What is batch.size, compression and Kafka broker. Set this as high as possible, without exceeding available memory.
linger.ms? Enabling compression can also help make more compact batches and increase the
throughput of your producer. Linger.ms will not affect as the batches are already full
If a broker goes down what should you * Ensure all topics had a replication factor of two or more
CCOAK Certificate
Adding a field to record without default and deleting one with default is forward
schema evolution
What is backward vs forward compatibility?
Deleting a field without default value and adding one with default is backward
What happens if you send a message to The message will be sent as it a random partition
Kafka that does not contain any partition
key?
When a producer sends data, it sends it A Kafka Broker
directly to...
When doing a --describe on a topic should Yes
the replicas for the topic match the isr?
How should you delete a message in a log Send a message with the value of Null
compacted topic?
* The network bandwidth at which a client can send
What can quotas limit? data to a Kafka broker
* The requested rate at which a client can send data to a Kafka broker
Controller Broker (KafkaController) is a Kafka service that runs on every broker in a
What is a Controller in Apache Kafka?
Kafka cluster, but only one can be active (elected) at any point in time.
* New segments are created from old segments
What is true about log compaction?
* Only the most recent occurrence of a key is kept in the log
Consumers do not directly write to the __consumer_offsets topic, they instead interact
How does a consumer commit offsets in
with a broker that has been elected to manage that topic, which is the Group
Kafka?
Coordinator broker.
Explanation
What is the recommended way to make a
To replay data, you must reset the consumer offsets to a specific point. To do so, you
consumer group replay data from a Kafka
must first stop the consumer group. Upon restart, the consumer group will start
topic at a specific point?
consuming from where it left off.
What is true about the topic configuration If a producer sends data uncompressed, it will be compressed by the broker
topic.compression.type=gzip ?
Replicas for a partition are spread across different racks.
What happens when the configuration
broker.rack is set on every broker in a Kafka
(broker.rack allows to ensure that the replicas are on different racks, thus making Kafka
Cluster?to recover from the situation?
ensure * Create a new broker with ID #6
more resilient to rack failures.)
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