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From "Daniel Gruno (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (INFRA-17754) Corrupted mbox files on minotaur on Oct 25 2018
Date Thu, 24 Jan 2019 12:58:00 GMT

    [ https://issues.apache.org/jira/browse/INFRA-17754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16751091#comment-16751091
] 

Daniel Gruno commented on INFRA-17754:
--------------------------------------

race condition perhaps, where two processes are writing to the same file?

> Corrupted mbox files on minotaur on Oct 25 2018
> -----------------------------------------------
>
>                 Key: INFRA-17754
>                 URL: https://issues.apache.org/jira/browse/INFRA-17754
>             Project: Infrastructure
>          Issue Type: Bug
>          Components: Mail Archives
>            Reporter: Sebb
>            Priority: Major
>
> There are several instances of corrupted mailboxes on minotaur/mailarchive
> These all occured around 11:45 to 12:30 on Oct 25 2018.
> They all involve a duplicated mail where the second copy is truncated.
> It does not have the two CRLFs at the end.
> As a result, the From_ header line for the next message does not start in column 1 and
is not therefore recognised.
> The details are:
> bookkeeper-commits: First: 2343 Last: 3569 Missing: [3377] Duplicates: [3376]]
> bookkeeper-issues: First: 4665 Last: 14818 Missing: [13224] Duplicates: [13223]]
> flink-issues: First: 145655 Last: 208989 Missing: [197434] Duplicates: [197430]]
> flink-user: First: 17329 Last: 25090 Missing: [23926] Duplicates: [23925]]
> mynewt-commits: First: 15229 Last: 23994 Missing: [22648] Duplicates: [22649]]
> nifi-users: First: 7710 Last: 10444 Missing: [9983] Duplicates: [9982]]
> In all cases the duplicates appear to be identical messages - the only difference is
the data stamp on the From_ line. The first Received line in each pair has the same date and
SMTP Id. This suggests that the duplication occured on minotaur.
> It looks as if the mbox files can be fixed by removing the truncated duplicate.
> But why did the issue occur?



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