[jira] [Assigned] (BOOKKEEPER-186) Bookkeeper throttling - permits is not released when read has failed from all replicas

["Flavio Junqueira (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BOOKKEEPER-186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flavio Junqueira reassigned BOOKKEEPER-186:
-------------------------------------------

    Assignee: Rakesh R

Done.
                
> Bookkeeper throttling - permits is not released when read has failed from all replicas
> --------------------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-186
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-186
>             Project: Bookkeeper
>          Issue Type: Bug
>          Components: bookkeeper-client
>    Affects Versions: 4.0.0
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>             Fix For: 4.1.0
>
>         Attachments: BOOKKEEPER-186_trunk-1.patch, BOOKKEEPER-186_trunk.patch, BOOKKEEPER-186_trunk.patch
>
>
> Permit is not releasing in the case when there is no quorum available and the readEntries operation failed from all replicas.
> Following is the condition where it checks the failure in quorum and invoking ReadCallback:
> {noformat}
> void sendRead(ArrayList<InetSocketAddress> ensemble, LedgerEntry entry, int lastErrorCode) {
>    if (entry.nextReplicaIndexToReadFrom >= lh.metadata.quorumSize) {
>       // we are done, the read has failed from all replicas, just fail the
>       // read
>       submitCallback(lastErrorCode);
>       return;
>    }
> {noformat}

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