[infinispan-issues] [JBoss JIRA] (ISPN-1965) Some entries not available during view change

[Martin Gencur (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799056#comment-12799056 ] 

Martin Gencur commented on ISPN-1965:
-------------------------------------

Mircea, I thought NBST was implemented so that the data is available during the view change. Can you please shed some light on the part of the design which alows for data not to be available during view change and thus, why this issue was rejected? Thanks
                
> Some entries not available during view change
> ---------------------------------------------
>
>                 Key: ISPN-1965
>                 URL: https://issues.jboss.org/browse/ISPN-1965
>             Project: Infinispan
>          Issue Type: Bug
>    Affects Versions: 5.1.3.FINAL
>            Reporter: Michal Linhard
>            Assignee: Dan Berindei
>
> In the 4 node, dist mode, num-owners=2, elasticity test
> http://www.qa.jboss.com/~mlinhard/hyperion/run44-elas-dist/
> there is a cca 90 sec period of time where clients get null responses to GET
> requests on entries that should exist in the cache.
> first occurence:
> hyperion1139.log 05:31:01,202 286.409
> last occurence:
> hyperion1135.log 05:32:45,441 390.648
> total occurence count: (in all 19 driver nodes)
> 152241
> (this doesn't mean it happens for 152K keys, because each key is retried after
> erroneous attempt)
> data doesn't seem to be lost, because these errors cease after a while and
> number of entries returns back to normal (see cache_entries.csv)
> this happens approximately in the period between node0001 is killed and cluster
> {node0002 - node0004} is formed (and shortly after).

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