[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2024-06-11 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Fix Version/s: 3.9.0
   (was: 3.8.0)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Improvement
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Minor
>  Labels: consumer-threading-refactor, events
> Fix For: 3.9.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2024-01-30 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Labels: consumer-threading-refactor events  (was: 
consumer-threading-refactor)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Improvement
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Minor
>  Labels: consumer-threading-refactor, events
> Fix For: 3.8.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2024-01-11 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Priority: Minor  (was: Major)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Improvement
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Minor
>  Labels: consumer-threading-refactor
> Fix For: 3.8.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2024-01-08 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Fix Version/s: 3.8.0
   (was: 4.0.0)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Improvement
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
> Fix For: 3.8.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2023-12-19 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Parent: (was: KAFKA-14246)
Issue Type: Improvement  (was: Sub-task)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Improvement
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
> Fix For: 4.0.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2023-12-19 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Fix Version/s: 4.0.0

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Sub-task
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
> Fix For: 4.0.0
>
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2023-10-19 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Component/s: clients

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Sub-task
>  Components: clients, consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2023-10-04 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Parent: KAFKA-14246
Issue Type: Sub-task  (was: Task)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Sub-task
>  Components: consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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[jira] [Updated] (KAFKA-15173) Consumer event queues should be bounded

2023-07-31 Thread Kirk True (Jira)


 [ 
https://issues.apache.org/jira/browse/KAFKA-15173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-15173:
--
Summary: Consumer event queues should be bounded  (was: 
ApplicationEventQueue and BackgroundEventQueue should be bounded)

> Consumer event queues should be bounded
> ---
>
> Key: KAFKA-15173
> URL: https://issues.apache.org/jira/browse/KAFKA-15173
> Project: Kafka
>  Issue Type: Task
>  Components: consumer
>Reporter: Philip Nee
>Assignee: Kirk True
>Priority: Major
>  Labels: consumer-threading-refactor
>
> The async consumer uses ApplicationEventQueue and BackgroundEventQueue to 
> facilitate message passing between the application thread and the background 
> thread.  The current implementation is boundless, which can potentially cause 
> OOM and other performance-related issues.
> I think the queues need a finite bound, and we need to decide how to handle 
> the situation when the bound is reached.  In particular, I would like to 
> answer these questions:
>  
>  # What should the upper limit be for both queues: Can this be a 
> configurable, memory-based bound? Or just an arbitrary number of events as 
> the bound.
>  # What should happen when the application event queue is filled up?  It 
> seems like we should introduce a new exception type and notify the user that 
> the consumer is full.
>  # What should happen when the background event queue is filled up? This 
> seems less likely to happen, but I imagine it could happen when the user 
> stops polling the consumer, causing the queue to be filled.
>  # Is it necessary to introduce a public configuration for the queue? I think 
> initially we would select an arbitrary constant number and see the community 
> feedback to make a forward plan accordingly.



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