[jira] [Updated] (FLUME-927) A Flume agent started before collectors in E2E mode could fail to connect to the collector

["Prasad Mujumdar (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLUME-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prasad Mujumdar updated FLUME-927:
----------------------------------

    Attachment: Flume-927.patch.1
    
> A Flume agent started before collectors in E2E mode could fail to connect to the collector
> ------------------------------------------------------------------------------------------
>
>                 Key: FLUME-927
>                 URL: https://issues.apache.org/jira/browse/FLUME-927
>             Project: Flume
>          Issue Type: Bug
>          Components: Sinks+Sources
>    Affects Versions: v0.9.4, v0.9.5
>            Reporter: Prasad Mujumdar
>            Assignee: Prasad Mujumdar
>             Fix For: v0.9.5
>
>         Attachments: Flume-927.patch.1
>
>
> The write ahead log (WAL) mechanism expects the agent sink to be active in 1 second. After that, it assumes that the agent couldn't connect to collector and shuts it down. The AgentSink has a retry mechanism that handles network problems, unavailable collector etc for a configurable amount of time. The hardcode 1 sec timeout in WAL decorator invalidates this retry mechanism. 

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