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https://issues.apache.org/jira/browse/TEZ-1343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14083608#comment-14083608
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Prakash Ramachandran commented on TEZ-1343:
-------------------------------------------
Appologies I missed the init for the NM_HOST in the above patch. please add
that.
+ EnvironmentUpdateUtils.put("NM_AUX_SERVICE_mapreduce_shuffle",
Base64.encodeBase64String(ByteBuffer.allocate(4).putInt(0).array()));
+ EnvironmentUpdateUtils.put(Environment.NM_HOST.toString(),
InetAddress.getLocalHost().getHostName());
> Bypass the Fetcher and read directly from the local filesystem if source
> vertex ran on the same host
> ----------------------------------------------------------------------------------------------------
>
> Key: TEZ-1343
> URL: https://issues.apache.org/jira/browse/TEZ-1343
> Project: Apache Tez
> Issue Type: Task
> Affects Versions: 0.4.1
> Reporter: Prakash Ramachandran
> Assignee: Prakash Ramachandran
> Attachments: TEZ-1343.1.patch, TEZ-1343.WIP.1.patch,
> TEZ-1343.WIP.2.patch
>
>
> In the case of the source and current vertex are on the same host bypass the
> Fetcher and read it directly from the local filesystem
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