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https://issues.apache.org/jira/browse/HDFS-9607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dinesh S. Atreya updated HDFS-9607:
-----------------------------------
Description:
Link to Umbrella JIRA
https://issues.apache.org/jira/browse/HADOOP-12620
Provide capability to carry out in-place writes/updates. Only writes in-place
are supported where the existing length does not change.
For example, "Hello World" can be replaced by "Hello HDFS!"
See
https://issues.apache.org/jira/browse/HADOOP-12620?focusedCommentId=15046300&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15046300
for more details.
Currently following are supported.
# Sequential writes
# Append (HADOOP-1700, HDFS-265)
# Snapshots (HDFS-2802)
# Truncate (HDFS-3107)
This JIRA is for random updates (write-in-place).
was:
Link to Umbrella JIRA
https://issues.apache.org/jira/browse/HADOOP-12620
Provide capability to carry out in-place writes/updates. Only writes in-place
are supported where the existing length does not change.
For example, "Hello World" can be replaced by "Hello HDFS!"
See
https://issues.apache.org/jira/browse/HADOOP-12620?focusedCommentId=15046300&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15046300
for more details.
> Advance Hadoop Architecture (AHA) - HDFS Update (write-in-place)
> ----------------------------------------------------------------
>
> Key: HDFS-9607
> URL: https://issues.apache.org/jira/browse/HDFS-9607
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Dinesh S. Atreya
>
> Link to Umbrella JIRA
> https://issues.apache.org/jira/browse/HADOOP-12620
> Provide capability to carry out in-place writes/updates. Only writes in-place
> are supported where the existing length does not change.
> For example, "Hello World" can be replaced by "Hello HDFS!"
> See
> https://issues.apache.org/jira/browse/HADOOP-12620?focusedCommentId=15046300&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15046300
> for more details.
> Currently following are supported.
> # Sequential writes
> # Append (HADOOP-1700, HDFS-265)
> # Snapshots (HDFS-2802)
> # Truncate (HDFS-3107)
> This JIRA is for random updates (write-in-place).
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