Review Request 129264: handle mysql process crashes gracefully

[Daniel Vrátil]

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https://git.reviewboard.kde.org/r/129264/#review102061
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Ship it!




Hi Martin, sorry for the huge delay, the review has slipped from my radar somehow an I forgot about it. I think we can land it now the way it is on master. Thanks a lot for the patch.

- Daniel Vrátil


On Nov. 6, 2016, 9:28 a.m., Martin Koller wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129264/
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> (Updated Nov. 6, 2016, 9:28 a.m.)
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> Review request for Akonadi and Daniel Vrátil.
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> Repository: akonadi
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> Description
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> It happened to me that I started kmail but could not see any mail folder.
> Searching I found that although all akonadi processes were running, the mysqld process was not,
> so it seems for whatever reason mysqld crashed (using a privately started mysqld from akonadiserver).
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> This patch checks if the mysqld stops unexpectedly when it was started from akonadiserver and tells the latter to quit when a stopped mysqld was discovered.
> Also in this case the local socket file is removed so that a restart can work without problem.
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> Diffs
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>   src/server/storage/dbconfigmysql.h 27841e8 
>   src/server/storage/dbconfigmysql.cpp 0962ccb 
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> Diff: https://git.reviewboard.kde.org/r/129264/diff/
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> Testing
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> Started akonadi via akonadictl and also implicitely via kmail, then killed (-4, -15) mysqld.
> Restarted via akonadictl or kmail
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> Thanks,
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> Martin Koller
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