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https://issues.apache.org/jira/browse/MESOS-1718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Klaus Ma updated MESOS-1718:
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Comment: was deleted
(was: [~vinodkone], any comment for the patches?)
> Command executor can overcommit the slave.
> ------------------------------------------
>
> Key: MESOS-1718
> URL: https://issues.apache.org/jira/browse/MESOS-1718
> Project: Mesos
> Issue Type: Bug
> Components: slave
> Reporter: Benjamin Mahler
> Assignee: Ian Downes
>
> Currently we give a small amount of resources to the command executor, in
> addition to resources used by the command task:
> https://github.com/apache/mesos/blob/0.20.0-rc1/src/slave/slave.cpp#L2448
> {code: title=}
> ExecutorInfo Slave::getExecutorInfo(
> const FrameworkID& frameworkId,
> const TaskInfo& task)
> {
> ...
> // Add an allowance for the command executor. This does lead to a
> // small overcommit of resources.
> executor.mutable_resources()->MergeFrom(
> Resources::parse(
> "cpus:" + stringify(DEFAULT_EXECUTOR_CPUS) + ";" +
> "mem:" + stringify(DEFAULT_EXECUTOR_MEM.megabytes())).get());
> ...
> }
> {code}
> This leads to an overcommit of the slave. Ideally, for command tasks we can
> "transfer" all of the task resources to the executor at the slave / isolation
> level.
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