You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-issues@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2017/09/27 21:03:00 UTC

[jira] [Created] (HADOOP-14912) FairCallQueue may defer servicing calls

Daryn Sharp created HADOOP-14912:
------------------------------------

             Summary: FairCallQueue may defer servicing calls
                 Key: HADOOP-14912
                 URL: https://issues.apache.org/jira/browse/HADOOP-14912
             Project: Hadoop Common
          Issue Type: Bug
          Components: ipc
    Affects Versions: 2.8.2
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


HADOOP-14033 switched a lock to a semaphore to allow concurrency for producers & consumers to the underlying queues.  A race condition was created that may cause a consumer to acquire a permit but not extract an element, leaving the semaphore with fewer permits than queued elements.  This causes a minimum number of calls to always be present in the call queue.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org