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From "Bernd Mathiske (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-2057) Add cache functionality with concurrent downloading to fetcher
Date Mon, 10 Nov 2014 17:39:34 GMT

     [ https://issues.apache.org/jira/browse/MESOS-2057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bernd Mathiske updated MESOS-2057:
----------------------------------
    Description: 
Add a URI flag to CommandInfo messages that indicates caching. When a URI is "cached" it is
only ever downloaded once for the same user on the same slave as long as the slave keeps running.
This even holds if multiple tasks request the same URI concurrently. Different URIs from different
CommandInfos can be downloaded concurrently.

No cleanup or failover will be handled for now. Additional tickets will be filed for these
enhancements. (So don't use this feature in production until the whole epic is complete.)

Depends on MESOS-2056.

  was:
Add a URI flag to CommandInfo messages that indicates caching. When a URI is "cached" it is
only ever downloaded once for the same user on the same slave as long as the slave keeps running.
This even holds if multiple tasks request the same URI concurrently.

No cleanup or failover will be handled for now. Additional tickets will be filed for these
enhancements. (So don't use this feature in production until the whole epic is complete.)

Depends on MESOS-2056.


> Add cache functionality with concurrent downloading to fetcher
> --------------------------------------------------------------
>
>                 Key: MESOS-2057
>                 URL: https://issues.apache.org/jira/browse/MESOS-2057
>             Project: Mesos
>          Issue Type: Improvement
>          Components: fetcher, slave
>            Reporter: Bernd Mathiske
>            Assignee: Bernd Mathiske
>
> Add a URI flag to CommandInfo messages that indicates caching. When a URI is "cached"
it is only ever downloaded once for the same user on the same slave as long as the slave keeps
running. This even holds if multiple tasks request the same URI concurrently. Different URIs
from different CommandInfos can be downloaded concurrently.
> No cleanup or failover will be handled for now. Additional tickets will be filed for
these enhancements. (So don't use this feature in production until the whole epic is complete.)
> Depends on MESOS-2056.



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