You are viewing a plain text version of this content. The canonical link for it is here.
Posted to jira@kafka.apache.org by "huxihx (JIRA)" <ji...@apache.org> on 2018/12/25 03:19:00 UTC

[jira] [Updated] (KAFKA-7765) IdleExpiryManager should not passively close socket used by controller

     [ https://issues.apache.org/jira/browse/KAFKA-7765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

huxihx updated KAFKA-7765:
--------------------------
    Description: 
Currently, controller creates sockets for every living brokers without idle timeout. However, processor threads from other brokers still could close these sockets if no requests flow through them within `connections.max.idle.ms`.

Lots of CLOSE_WAITs were left when those sockets were closed by remote peer since controller's RequestSendThread will not check if they are closed by peer.

I think we need to figure out a way to record which channels should be maintained and have them excluded by IdleExpiryManager. A naive method is to augment KafkaChannel, making it have a field indicating whether this channel should be kept alive.

Does it make any sense?

  was:
Currently, controller creates sockets for every living brokers without idle timeout. However, other brokers' processor threads still could close these sockets if no requests flow through them within `connections.max.idle.ms`.

Lots of CLOSE_WAITs were left when those sockets were closed by remote peer since controller's RequestSendThread will not check if they are closed by peer.

I think we need to figure out a way to record which channels should be maintained and have them excluded by IdleExpiryManager. A naive method is to augment KafkaChannel, making it have a field indicating whether this channel should be kept alive.

Does it make any sense?


> IdleExpiryManager should not passively close socket used by controller
> ----------------------------------------------------------------------
>
>                 Key: KAFKA-7765
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7765
>             Project: Kafka
>          Issue Type: Bug
>          Components: network
>    Affects Versions: 2.1.0
>            Reporter: huxihx
>            Priority: Major
>
> Currently, controller creates sockets for every living brokers without idle timeout. However, processor threads from other brokers still could close these sockets if no requests flow through them within `connections.max.idle.ms`.
> Lots of CLOSE_WAITs were left when those sockets were closed by remote peer since controller's RequestSendThread will not check if they are closed by peer.
> I think we need to figure out a way to record which channels should be maintained and have them excluded by IdleExpiryManager. A naive method is to augment KafkaChannel, making it have a field indicating whether this channel should be kept alive.
> Does it make any sense?



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)