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From "Eric Newton (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1448) Automatically choose the correct log closer
Date Wed, 22 May 2013 17:55:19 GMT


Eric Newton commented on ACCUMULO-1448:

When the system decides a tablet server is dead, it must do something to prevent additional
updates from going to the WAL.  Unfortunately, there is no common API in FileSystem to do
this.  So we have a configurable plug-in that will make the FileSystem-specific calls.

You will get a bad cast exception if you use the HadoopLogCloser on the MapR FileSystem.

> Automatically choose the correct log closer
> -------------------------------------------
>                 Key: ACCUMULO-1448
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>            Reporter: John Vines
>            Priority: Minor
> Currently we have 2 types of LogClosers, one for vanilla hadoop and one for MapR. Right
now, you need to configure them appropriately. It would be a lot nicer if it just chose the
right one.

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