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https://issues.apache.org/jira/browse/CASSANDRA-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13284541#comment-13284541
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Jonathan Ellis commented on CASSANDRA-2116:
-------------------------------------------
I think you're probably right. Ideally what I'd like is something like this:
- Code that knows what disk is involved throws an FSReadError/FSWriteError that
*records the disk/volume in question*
- Notably this will not necessarily be the lowest-level code, which often just
takes a DataInput or DataOutput interface. We'll want to declare the checked
IOException at that level to make sure we handle it higher up
- Our global uncaught exception handler can mark the disks in question bad
(exactly where CASSANDRA-2118 looks to terminate things; could handle this over
there to go with the existing division of code)
- As for the request that hit the exception in the first place, we just allow
that to fail + timeout normally; little benefit to be had by complicating that
further (which is the approach taken here and 2118; I just note it to be
explicit)
> Separate out filesystem errors from generic IOErrors
> ----------------------------------------------------
>
> Key: CASSANDRA-2116
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2116
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Chris Goffinet
> Priority: Minor
> Fix For: 1.2
>
> Attachments:
> 0001-Separate-out-filesystem-errors-from-generic-IOErrors.patch
>
>
> We throw IOErrors everywhere today in the codebase. We should separate out
> specific errors such as (reading, writing) from filesystem into FSReadError
> and FSWriteError. This makes it possible in the next ticket to allow certain
> failure modes (kill the server if reads or writes fail to disk).
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