[jboss-jira] [JBoss JIRA] Commented: (JGRP-804) FC: max time to block until message is sent

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12422700#action_12422700 ] 

Bela Ban commented on JGRP-804:
-------------------------------

Possibly define max block times *per message size*, e.g. 

0K < 1K:    50ms
1K - 10K: 100ms
10K - 100K: 150ms
100K - 1M: 200ms
1M - 10M: 250ms
> 10M: 500ms

> FC: max time to block until message is sent
> -------------------------------------------
>
>                 Key: JGRP-804
>                 URL: https://jira.jboss.org/jira/browse/JGRP-804
>             Project: JGroups
>          Issue Type: Feature Request
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.6.4, 2.7
>
>
> When a message doesn't have enough credits to get sent, the sender blocks in FC.down(), sending a credit request every max_block_time ms and will be able to unblock and send the message only when new credits arrive.
> To prevent indefinite blocking (e.g. when the OOB thread pool is exhausted and new credits cannot be processed), add a property max_wait_time_per_message, which defines the max number of milliseconds a message will ever be blocked in FC, before it is sent. This is regardless of the number of credits left.

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