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https://issues.apache.org/jira/browse/ARTEMIS-1095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958861#comment-15958861
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ASF GitHub Bot commented on ARTEMIS-1095:
-----------------------------------------
Github user clebertsuconic commented on a diff in the pull request:
https://github.com/apache/activemq-artemis/pull/1176#discussion_r110152124
--- Diff:
artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/TransportConstants.java
---
@@ -183,6 +187,10 @@
public static final int DEFAULT_TCP_RECEIVEBUFFER_SIZE = 1024 * 1024;
+ public static final int DEFAULT_NETTY_WRITE_BUFFER_LOW_WATER_MARK = 32
* 1024;
--- End diff --
This clashes with DEFAULT_TCP_RECEIVERBUFFER_SIZE, doesn't?
We need to put this value down though.
> Netty's WriteBufferWaterMark configuration via TransportConstants
> -----------------------------------------------------------------
>
> Key: ARTEMIS-1095
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1095
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
>
> By default Netty uses the write buffer high/low water mark to perform flow
> control while on the event loop.
> Currently these properties are not set in Artemis, that is not being flow
> controlled properly and is not seeing correct activation of the ReadyListener
> on NettyConnection when it is considered writable.
> I propose to define TransportConstants.NETTY_WRITE_BUFFER_LOW_WATER_MARK and
> TransportConstants.NETTY_WRITE_BUFFER_HIGH_WATER_MARK to set the Netty's ones.
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