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Posted to commits@samza.apache.org by "Jagadish (JIRA)" <ji...@apache.org> on 2017/11/08 01:06:00 UTC

[jira] [Updated] (SAMZA-1484) Host affinity improvements for YARN

     [ https://issues.apache.org/jira/browse/SAMZA-1484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jagadish updated SAMZA-1484:
----------------------------
    Description: 
1. Currently, if an attempt to start a container times out, it also times out other buffered requests and results in TimeoutExceptions. We fall back to ignoring host affinity for all Exceptions.

2. TaskStorageManager#restore does restores serially - per-store per-task. We should parallelize the restore code-path.

  was:
1. Currently, if an attempt to start a container times out, it also times out all buffered requests and results in TimeoutExceptions. We fall back to ignoring host affinity for all Exceptions.

2. TaskStorageManager#restore does restores serially - per-store per-task. We should parallelize the restore code-path.


> Host affinity improvements for YARN
> -----------------------------------
>
>                 Key: SAMZA-1484
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1484
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Jagadish
>
> 1. Currently, if an attempt to start a container times out, it also times out other buffered requests and results in TimeoutExceptions. We fall back to ignoring host affinity for all Exceptions.
> 2. TaskStorageManager#restore does restores serially - per-store per-task. We should parallelize the restore code-path.



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