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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (LUCENE-7323) Compound file writing should verify checksum of its sub-files
Date Thu, 09 Jun 2016 18:54:21 GMT


ASF subversion and git services commented on LUCENE-7323:

Commit ae0adfc34dea21df86ab7ebf034f3dbd6714c541 in lucene-solr's branch refs/heads/branch_6x
from Mike McCandless
[;h=ae0adfc ]

LUCENE-7323: compound file writing now verifies checksum and segment ID for the incoming sub-files,
to catch hardware issues or filesystem bugs earlier

> Compound file writing should verify checksum of its sub-files
> -------------------------------------------------------------
>                 Key: LUCENE-7323
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: master (7.0), 6.2
>         Attachments: LUCENE-7323.patch, LUCENE-7323.patch
> For larger segments, there is a non-trivial window, from when IW
> writes sub-files, to when it then builds the CFS, during which the
> files can become corrupted (from external process, bad filesystem,
> hardware, etc.)
> Today we quietly build the CFS even if the sub-files are corrupted,
> but we can easily detect it, letting users catch corruption earlier
> (write time instead of read time).

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