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https://issues.apache.org/jira/browse/HADOOP-19795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18055260#comment-18055260
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ASF GitHub Bot commented on HADOOP-19795:
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steveloughran commented on PR #8212:
URL: https://github.com/apache/hadoop/pull/8212#issuecomment-3819595414
* Document that it means that if the file isn't found, there isn't a failure
until the first read.
* Make sure that openFile() builder code does this too if no status (or the
wrong status type) is passed in, and do it *automatically*. That filesystem api
spec says "existence checks may be delayed".
> ABFS: GetPathStatus Optimization on OpenFileForRead
> ---------------------------------------------------
>
> Key: HADOOP-19795
> URL: https://issues.apache.org/jira/browse/HADOOP-19795
> Project: Hadoop Common
> Issue Type: Task
> Components: fs/azure
> Affects Versions: 3.4.1, 3.4.2
> Reporter: Manika Joshi
> Assignee: Manika Joshi
> Priority: Major
> Labels: pull-request-available
>
> We do a getPathStatus call during file open for read. This call is primarily
> used to fetch the file’s metadata properties before the actual read begins.
> We are now introducing an optional, config-driven read flow that avoids the
> getPathStatus call during open and instead derives required metadata from the
> read response itself.
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