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Posted to oak-issues@jackrabbit.apache.org by "Alex Parvulescu (JIRA)" <ji...@apache.org> on 2015/08/24 15:17:45 UTC

[jira] [Updated] (OAK-3273) ColdStandby make sync start and end timestamp updates atomic

     [ https://issues.apache.org/jira/browse/OAK-3273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Parvulescu updated OAK-3273:
---------------------------------
    Summary: ColdStandby make sync start and end timestamp updates atomic  (was: ColdStandby JMX Status )

> ColdStandby make sync start and end timestamp updates atomic
> ------------------------------------------------------------
>
>                 Key: OAK-3273
>                 URL: https://issues.apache.org/jira/browse/OAK-3273
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: tarmk-standby
>            Reporter: Valentin Olteanu
>            Priority: Minor
>         Attachments: OAK-3273.patch
>
>
> OAK-3113 introduced two fields in the ColdStandby MBean: SyncStartTimestamp and SyncEndTimestamp. This is much more useful than the old SecondsSinceLastSuccess, yet, there are situations in which it's hard to interpret them since they are updated independently:
>  - it's impossible to correlate the start with the end
>  - in case of fail, the start still reflects the failed cycle
> It would be even better if the two would be updated atomically, to reflect the start and end of the last successful cycle. 



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