[jboss-jira] [JBoss JIRA] (JGRP-1733) UNICAST / NAKACK: OOB messages should be marked as OOB_DELIVERED before adding them to the table

[Bela Ban (JIRA)]

Bela Ban created JGRP-1733:
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             Summary: UNICAST / NAKACK: OOB messages should be marked as OOB_DELIVERED before adding them to the table
                 Key: JGRP-1733
                 URL: https://issues.jboss.org/browse/JGRP-1733
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.4.1, 3.5


Currently, OOB messages are added to the table, then passed up unless they're already marked as OOB_DELIVERED. This could happen if another thread removed messages from the table and passed them up before the current thread could pass the message up.
However, this work stealing might be detrimental: if the stealing thread batched messages up and 'stole' OOB messages (and those messages blocked), then the rest of the batch would be blocked from delivery.
This is the same though if a batch only contains regular messages...
However, this would make things simpler as threads from the regular pool would never deliver OOB messages (but not the other way round, OOB thread could still deliver regular messages).

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