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Posted to issues@mesos.apache.org by "Jie Yu (JIRA)" <ji...@apache.org> on 2017/06/27 21:08:00 UTC
[jira] [Assigned] (MESOS-7643) The order of isolators provided in
'--isolation' flag is not preserved and instead sorted alphabetically
[ https://issues.apache.org/jira/browse/MESOS-7643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jie Yu reassigned MESOS-7643:
-----------------------------
Assignee: Gilbert Song
> The order of isolators provided in '--isolation' flag is not preserved and instead sorted alphabetically
> --------------------------------------------------------------------------------------------------------
>
> Key: MESOS-7643
> URL: https://issues.apache.org/jira/browse/MESOS-7643
> Project: Mesos
> Issue Type: Bug
> Components: containerization
> Affects Versions: 1.1.2, 1.2.0, 1.3.0
> Reporter: Michael Cherny
> Assignee: Gilbert Song
>
> According to documentation and comments in code the order of the entries in the --isolation flag should specify the ordering of the isolators. Specifically, the
> `create` and `prepare` calls for each isolator should run serially in the order in which they appear in the --isolation flag, while the `cleanup` call should be serialized in reverse order (with exception of filesystem isolator which is always first).
> But in fact, the isolators provided in '--isolation' flag are sorted alphabetically.
> That happens in [this line of code|https://github.com/apache/mesos/blob/master/src/slave/containerizer/mesos/containerizer.cpp#L377]. In this line use of 'set<string>' is done (apparently instead of list or vector) and set is a sorted container.
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